Top videos

kokkotv
4 Views · 10 months ago

Hey kids, did you know there are over a million species of animals in the world! And scientists are still finding new species in the great forests and the vast oceans! In this video, you will find some very weird animals you might not even know existed!
Isn’t that exciting? So come and join Dr. Binocs as he explores this wacky world we live in!

0:19 - The Mantis Shrimp
1:00 - Tardigrade
1:27 - Glaucus Atlanticus
2:26 - Pacu Fish
2:42 - Narwhal
3:10 - Trivia Time

Voice Over Artist(s) - Joseph D'Souza
Illustrators - Kalpesh Bamne, Pranav Korla
Animators - Rupesh Hire, Sushant Hodage, Tushar Ishi
VFX Artist - Swapnil Ghoradkar, Ali Asgar
Background Score & SFX - Jay Rajesh Arya
Sound Engineer - Mayur Bakshi
Creative Head - Sreejoni Nag
Producer - Neha Barjatya
Copyrights and Publishing: Rajshri Entertainment Private Limited
All rights reserved

Share on Facebook - http://goo.gl/82lfRP
Tweet about this - http://goo.gl/LLgZvX

Catch Dr.Binocs At - https://goo.gl/SXhLmc

To Watch More Popular Nursery Rhymes Go To - https://goo.gl/CV0Xoo

To Watch Alphabet Rhymes Go To - https://goo.gl/qmIRLv

To Watch Compilations Go To - https://goo.gl/nW3kw9

Catch More Lyrics At - https://goo.gl/A7kEmO

Subscribe : http://www.youtube.com/subscri....ption_center?add_use

Like our Facebook page: https://www.facebook.com/peekabootv

SUBSCRIBE to Peekaboo Kidz:http://bit.ly/SubscribeTo-Peekabookidz

Catch Dr.Binocs At - https://goo.gl/SXhLmc

To Watch More Popular Nursery Rhymes Go To - https://goo.gl/CV0Xoo

To Watch Alphabet Rhymes Go To - https://goo.gl/qmIRLv

To Watch Compilations Go To - https://goo.gl/nW3kw9

Catch More Lyricals At - https://goo.gl/A7kEmO

Like our Facebook page: https://www.facebook.com/peekabootv

kokkotv
4 Views · 10 months ago

Hey kids, did you know that clouds have different types too?
Well, after watching this video, you'd be able to identify most of them.
So, don't just wait, join Dr. Binocs in this video to know more about clouds.

Voice Over Artist(s) - Joseph D'Souza, Pranav Korla
Illustrators - Kalpesh Bamne, Pranav Korla
Animators - Rupesh Hire, Sushant Hodage, Tushar Ishi
VFX Artist - Swapnil Ghoradkar, Ali Asgar
Background Score & SFX - Jay Rajesh Arya
Sound Engineer - Mayur Bakshi
Creative Head - Sreejoni Nag
Producer - Neha Barjatya
Copyrights and Publishing: Rajshri Entertainment Private Limited
All rights reserved.

Share on Facebook - http://goo.gl/82lfRP
Tweet about this - http://goo.gl/LLgZvX

SUBSCRIBE to Peekaboo Kidz:http://bit.ly/SubscribeTo-Peekabookidz

Catch Dr.Binocs At - https://goo.gl/SXhLmc

To Watch More Popular Nursery Rhymes Go To - https://goo.gl/CV0Xoo

To Watch Alphabet Rhymes Go To - https://goo.gl/qmIRLv

To Watch Compilations Go To - https://goo.gl/nW3kw9

Catch More Lyricals At - https://goo.gl/A7kEmO

Like our Facebook page: https://www.facebook.com/peekabootv

kokkotv
4 Views · 10 months ago

Here's Presenting The Dr. Binocs Show SEASON 2 - Inventions

Learn all about the Invention Of Computer Programming Language from Dr. Binocs himself

Producer: Neha Barjatya
Creative Head: Palvisha Aslam
Written By: Punya Mohanty
Voice Over Artist: Joseph D'Souza
Illustrators: Aashka Shah, Atul Todankar & Pranav Korla
Animators: Rupesh Hire, Sushant Hodage, Tushar Ishi & Yogesh Nikam
VFX Artist: Prasad Mane
Background Score: Parth Parekh
Sound Engineer: Mayur Bakshi

Share on Facebook - https://goo.gl/ReM3BW
Tweet about this - https://goo.gl/JR72i7

Catch Dr.Binocs At - https://goo.gl/SXhLmc

To Watch More Popular Nursery Rhymes Go To - https://goo.gl/CV0Xoo

To Watch Alphabet Rhymes Go To - https://goo.gl/qmIRLv

To Watch Compilations Go To - https://goo.gl/nW3kw9

Catch More Lyrical At - https://goo.gl/A7kEmO

Subscribe : http://www.youtube.com/subscri....ption_center?add_use

Like our Facebook page: https://www.facebook.com/peekabootv

SUBSCRIBE to Peekaboo Kidz:http://bit.ly/SubscribeTo-Peekabookidz

Catch Dr.Binocs At - https://goo.gl/SXhLmc

To Watch More Popular Nursery Rhymes Go To - https://goo.gl/CV0Xoo

To Watch Alphabet Rhymes Go To - https://goo.gl/qmIRLv

To Watch Compilations Go To - https://goo.gl/nW3kw9

Catch More Lyricals At - https://goo.gl/A7kEmO

Like our Facebook page: https://www.facebook.com/peekabootv

kokkotv
4 Views · 10 months ago

Here's Presenting The Dr. Binocs Show SEASON 2 - Inventions

Learn all about the Invention of VIDEO GAME from Dr. Binocs himself

Producer: Neha Barjatya
Creative Head: Palvisha Aslam
Script Writer: Akshay Ashtana
Voice Over Artist: Joseph D'Souza
Illustrators: Aashka Shah & Pranav Korla
Animators: Tushar Ishi, Rupesh Hire & Yogesh Nikam
VFX Artist: Swapnil Ghoradkar
Background Score: Parth Parekh
Sound Engineer: Mayur Bakshi

Share on Facebook - http://goo.gl/82lfRP
Tweet about this - http://goo.gl/LLgZvX

Catch Dr.Binocs At - https://goo.gl/SXhLmc

To Watch More Popular Nursery Rhymes Go To - https://goo.gl/CV0Xoo

To Watch Alphabet Rhymes Go To - https://goo.gl/qmIRLv

To Watch Compilations Go To - https://goo.gl/nW3kw9

Catch More Lyrical At - https://goo.gl/A7kEmO

Subscribe : http://www.youtube.com/subscri....ption_center?add_use

Like our Facebook page: https://www.facebook.com/peekabootv

SUBSCRIBE to Peekaboo Kidz:http://bit.ly/SubscribeTo-Peekabookidz

Catch Dr.Binocs At - https://goo.gl/SXhLmc

To Watch More Popular Nursery Rhymes Go To - https://goo.gl/CV0Xoo

To Watch Alphabet Rhymes Go To - https://goo.gl/qmIRLv

To Watch Compilations Go To - https://goo.gl/nW3kw9

Catch More Lyricals At - https://goo.gl/A7kEmO

Like our Facebook page: https://www.facebook.com/peekabootv

kokkotv
4 Views · 10 months ago

Hey Kids, after explaining Earthquake, Tsunami and Volcano in detail, Dr. Binocs is here to explain Hurricane in his own style. Watch the video and learn all about Hurricane.

The detailed video break-up is given below

00:43 – What is Hurricane?
01:39 – More about Hurricane
02:21 – Categories of Hurricane
02.38 – Trivia Time

Voice Over Artist - Joseph D'Souza, Sreejoni Nag
Script Writer & Director - Sreejoni Nag
Visual Artist - Aashka Shah
Illustrators - Aashka Shah, Pranav Korla
Animators - Tushar Ishi, Chandrashekhar Aher
VFX Artist - Kushal Bhujbal, Swapnil Ghoradkar
Background Score - Jay Rajesh Arya
Sound Engineer - Mayur Bakshi
Creative Head - Sreejoni Nag
Producer: Rajjat A. Barjatya
Copyrights and Publishing: Rajshri Entertainment Private Limited
All rights reserved.

Share on Facebook - https://goo.gl/qqEfhI
Tweet about this - https://goo.gl/AvWLfJ

SUBSCRIBE to Peekaboo Kidz:http://bit.ly/SubscribeTo-Peekabookidz

Catch Dr.Binocs At - https://goo.gl/SXhLmc

To Watch More Popular Nursery Rhymes Go To - https://goo.gl/CV0Xoo

To Watch Alphabet Rhymes Go To - https://goo.gl/qmIRLv

To Watch Compilations Go To - https://goo.gl/nW3kw9

Catch More Lyricals At - https://goo.gl/A7kEmO

Like our Facebook page: https://www.facebook.com/peekabootv

kokkotv
4 Views · 10 months ago

Hey Kids, Didn't you always think that plants often end up as food? Well, there are plants that eat too! Yes! Such plants are popularly known as Carnivorous Plants or Insectivorous Plants.

Join Dr. Binocs, as he tells you more about them.

00:30 - What are Carnivorous plants?
01:04 – Pitfall Traps / Pitcher plants
01:32 – Flypaper Traps
02:02 – Snap Traps
02:19 – Water Wheel Plants
02:30 – Bladder Traps
02:46 – Lobsterpot Traps
03:21 – Trivia Time


Copyrights and Publishing: Rajshri Entertainment Private Limited
All rights reserved.

Share on Facebook - https://goo.gl/AuLfxu
Tweet about this - https://goo.gl/leSQCb

SUBSCRIBE to Peekaboo Kidz:http://bit.ly/SubscribeTo-Peekabookidz

Catch Dr.Binocs At - https://goo.gl/SXhLmc

To Watch More Popular Nursery Rhymes Go To - https://goo.gl/CV0Xoo

To Watch Alphabet Rhymes Go To - https://goo.gl/qmIRLv

To Watch Compilations Go To - https://goo.gl/nW3kw9

Catch More Lyricals At - https://goo.gl/A7kEmO

Like our Facebook page: https://www.facebook.com/peekabootv

kokkotv
4 Views · 10 months ago

Hey Kids, while flying has always been a fascination to many, there are birds who follow a specific pattern of flying and are popularly known as Migratory Birds.

Join Dr. Binocs, as he tells you more about them.

00:52 – Meaning of Migratory Birds
01:09 – Types of Migratory Birds
01:13 – Resident Birds
01:35 – Short Distant Migrants
02:02 – Medium Distant Migrants
02:36 – Long Distant Migrants
03:14 – Trivia Time

Voice Over Artist - Joseph D'Souza, Sreejoni Nag
Script Writer & Director - Sreejoni Nag
Visual Artist - Aashka Shah
Illustrators - Aashka Shah, Pranav Korla
Animators - Tushar Ishi, Chandrashekhar Aher
VFX Artists - Kushal Bhujbal
Background Score - Jay Rajesh Arya
Sound Engineer - Mayur Bakshi
Creative Head - Sreejoni Nag
Producer: Rajjat A. Barjatya
Copyrights and Publishing: Rajshri Entertainment Private Limited
All rights reserved.

Share on Facebook - https://goo.gl/SaBTTI
Tweet about this - https://goo.gl/phs67i

SUBSCRIBE to Peekaboo Kidz:http://bit.ly/SubscribeTo-Peekabookidz

Catch Dr.Binocs At - https://goo.gl/SXhLmc

To Watch More Popular Nursery Rhymes Go To - https://goo.gl/CV0Xoo

To Watch Alphabet Rhymes Go To - https://goo.gl/qmIRLv

To Watch Compilations Go To - https://goo.gl/nW3kw9

Catch More Lyricals At - https://goo.gl/A7kEmO

Like our Facebook page: https://www.facebook.com/peekabootv

kokkotv
4 Views · 10 months ago

Hey kids! Doesn't it get annoying when someone calls you but you don't hear it ringing because of the silent mode? Doesn't SOUND play an important part in your life? The sound of a school bell, the sound of horn, the sound of music and so many more.

So with a BOOM, come and see what Dr. Binocs has to tell you about Sound. The detailed video break up is given below.

00:37 – What is sound?
00:51 – How does sound travel?
01:29 – Does sound travel in Vacuum?
01:55 – What is Frequency?
02:53 – How is Volume measured?

Voice Over Artist - Joseph D'Souza
Script Writer & Director - Sreejoni Nag
Visual Artist - Aashka Shah
Illustrator - Aashka Shah
Animators - Digambar Bhadre, Chandrashekhar Aher, Tushar Ishi
VFX Artist - Kushal Bhujbal
Background Score - Jay Rajesh Arya
Intro Music - Mayur Bakshi
Sound Engineer - Mayur Bakshi
Creative Head - Sreejoni Nag
Producer: Rajjat A. Barjatya
Copyrights and Publishing: Rajshri Entertainment Private Limited
All rights reserved.

Share on Facebook - https://goo.gl/zTwjrc
Tweet about this - https://goo.gl/28m4zW

SUBSCRIBE to Peekaboo Kidz:http://bit.ly/SubscribeTo-Peekabookidz

Catch Dr.Binocs At - https://goo.gl/SXhLmc

To Watch More Popular Nursery Rhymes Go To - https://goo.gl/CV0Xoo

To Watch Alphabet Rhymes Go To - https://goo.gl/qmIRLv

To Watch Compilations Go To - https://goo.gl/nW3kw9

Catch More Lyricals At - https://goo.gl/A7kEmO

Like our Facebook page: https://www.facebook.com/peekabootv

kokkotv
4 Views · 10 months ago

Hey Kids! Wanna know what is Tsunami? Where does the Tsunami originate from? What are its causes? Worry not, Dr. Binocs is here to explain it all in a fun way for you!

Learn Tsunami in detail with Dr.Binocs, as he explains interesting facts about Tsunami on Peekaboo Kids. The detail video break up is given below.

00:25 – Causes of Tsunami
01:42 – The Strongest wave of Tsunami
02:20 – What to do if you get stuck in Tsunami?
02:33 – What is an Earthquake?

Voice Over Artist - Joseph D'Souza
Script Writer & Director - Sreejoni Nag
Visual Artist & Illustrator- Aashka Shah
Animators - Digambar Bhadre and Aashka Shah
VFX Artist - Kushal Bhujbal
Background Score - Jay Rajesh Arya
Sound Engineer - Mayur Bakshi
Creative Head - Sreejoni Nag
Producer: Rajjat A. Barjatya
Copyrights and Publishing: Rajshri Entertainment Private Limited
All rights reserved.

Share on Facebook - https://goo.gl/q3l8w6
Tweet about this - https://goo.gl/w2HfDj

SUBSCRIBE to Peekaboo Kidz:http://bit.ly/SubscribeTo-Peekabookidz

Catch Dr.Binocs At - https://goo.gl/SXhLmc

To Watch More Popular Nursery Rhymes Go To - https://goo.gl/CV0Xoo

To Watch Alphabet Rhymes Go To - https://goo.gl/qmIRLv

To Watch Compilations Go To - https://goo.gl/nW3kw9

Catch More Lyricals At - https://goo.gl/A7kEmO

Like our Facebook page: https://www.facebook.com/peekabootv

kokkotv
4 Views · 10 months ago

Learn about the water cycle with Dr. Binocs.

Hey kids! Ever wondered how it rains? Where does the water vapour disappear? Don't worry, Dr. Binocs is here with all the answers. For more fun filled facts and learn videos stay tuned to The Dr. Binocs Show.

Share on Facebook - http://goo.gl/4wkM4e
Tweet about this - http://goo.gl/SwRd3n

Catch More Of Dr.Binocs - https://goo.gl/SXhLmc

To Watch Popular Nursery Rhymes Go To - https://goo.gl/CV0Xoo

To Watch Alphabet Rhymes Go To - https://goo.gl/qmIRLv

To Watch Compilations Go To - https://goo.gl/nW3kw9

Watch Popular Nursery Rhymes with Lyrics - https://goo.gl/A7kEmO

Subscribe : http://www.youtube.com/subscri....ption_center?add_use



Voice-Over Artist: Joseph D'Souza
Script Writer: Sreejoni Nag
Background Score: Agnel Roman
Sound Engineer: Mayur Bakshi
Animation: Qanka Animation Studio
Creative Team (Rajshri): Kavya Krishnaswamy, Alisha Baghel, Sreejoni Nag
Producer: Rajjat A. Barjatya
Copyrights and Publishing: Rajshri Entertainment Private Limited
All rights reserved.

SUBSCRIBE to Peekaboo Kidz:http://bit.ly/SubscribeTo-Peekabookidz

Catch Dr.Binocs At - https://goo.gl/SXhLmc

To Watch More Popular Nursery Rhymes Go To - https://goo.gl/CV0Xoo

To Watch Alphabet Rhymes Go To - https://goo.gl/qmIRLv

To Watch Compilations Go To - https://goo.gl/nW3kw9

Catch More Lyricals At - https://goo.gl/A7kEmO

Like our Facebook page: https://www.facebook.com/peekabootv

kokkotv
4 Views · 10 months ago

THE LITER AND CAPACITY | Measurement Units for Kids 📏 | Happy Learning 💧💦

---

🎉 Welcome to Happy Learning, the place where learning is fun! In this exciting episode, we dive into the fascinating world of capacity and the liter. 🌊 Join our friendly characters as they explore how to measure liquids and discover exactly what a liter is. 📏 Get ready to have fun while learning with interactive games and educational activities! 🎨 Don't miss out on this adventure full of knowledge and fun. Subscribe and activate notifications so you don't miss a single Happy Learning video! 🚀
Discover hundreds of never-before-seen resources! Create your free account at https://my.happylearning.tv/ and learn in the most fun way.

#happylearning
#learning
#happynewyear2024
#liters

kokkotv
4 Views · 10 months ago

AMAZING CURIOSITIES ABOUT FISHES | Happy Learning 🐟🐡🐠

Hello, little marine explorers! 🐠🌊 At Happy Learning, we dive into the fascinating world of fish 🐟 to uncover curious and amazing facts about these ocean inhabitants. Did you know that some fish can change color or that there are species that can "breathe" outside of water? 😲💦 Join us on this exciting underwater adventure as we explore the diversity and wonders of the aquatic world. 🌏💙 Get ready to dive into an ocean of knowledge and fun! 🚀🐬 #happylearning #exploringthesea #fishcuriosities 🌈🐙

Discover hundreds of never-before-seen resources! Create your free account at https://my.happylearning.tv/ and start learning in the most entertaining way.

#fishing
#happylearning
#fish
#shark
#sea

kokkotv
4 Views · 10 months ago

Curiosities about BIRDS | Happy Learning 🐥 🦃 🦩🦜

Birds! They're everywhere! There are more than 10,000 species of birds in the world and they can be found on every continent. From freezing polar regions to scorching deserts, and even in the middle of the ocean, birds have found a way to survive. Not all birds can fly, but they all have feathers, wings, and beaks or bills. Come learn more about birds in this fun, kid-friendly video!

Like this video if you want to see more videos about ANIMALS!
Discover hundreds of never-before-seen resources! Create your free account at https://my.happylearning.tv/ and start learning in the most entertaining way.
#happylearning
#birds
#birdslover
#birdsounds
#chicken
#parrot
#seagulls

kokkotv
4 Views · 10 months ago

FRUITS 🍊 | Fun Way to Build Your Child's Vocabulary

This time, they'll learn about fruits. Always with an easy example for kids to identify each word with the correct fruit.

This video belongs to a collection of videos where kids will learn new words about several topics always in a fun and easy way with helpful examples that will boost them forward.

Discover hundreds of never-before-seen resources! Create your free account at https://my.happylearning.tv/ and start learning in the most entertaining way.
In this exciting episode, we will dive into the juicy and colorful world of fruits. We will discover what fruits are and why they are so important for our health. Get ready to learn about vitamins, minerals and energy! Can you guess which fruit is the juiciest? Which is the sweetest?

Subscribe to Happy Learning for more educational adventures! 🍊🌟

kokkotv
4 Views · 10 months ago

Learn how to classify the different nutrients and the benefits they bring to our body.

kokkotv
4 Views · 10 months ago

Do you know how important nutrition is for our organism? Thanks to it, we have energy! Find out more with the video.

kokkotv
4 Views · 10 months ago

6 kalimas
Reciter Aqsa Abdul Haq
Audio : ZDS
Video :Aqsa Abdul Haq Production


#kalmashareef #6kalimas #pehlakalma #dusrakalma #3srakalma #aqsaabdulhaq #lailahailallah #hamd #kalma #NewnaatMustafaﷺ #madina #newkalam2023 #naatemustafa #nasheed #naat #naatcream #vocals #islamicnasheed #muslims #muslimworld #NaatMustafaMustafaﷺ

Connect with us:
https://ww #unkichokhat w.facebook.com/aqsaabdulhaqofficial
https://twitter.com/aqsaabdulhaq
https://www.instagram.com/aqsaabdulhaq/
https://www.youtube.com/aqsaabdulhaqofficial


Subscribe to this Youtube Channel #aqsaabdulhaq #naat #hamd for more videos.

NOTE : We own all copyrights for this video, otherwise action will be taken against any third party that try's to infringe our rights. We won’t take any responsibility if your Social Media account, website or YouTube channel is shutdown due the legal proceedings against you..

kokkotv
4 Views · 10 months ago

Join us on a fascinating journey through the skies with our educational video "What is Weather? Learn About the Components of Weather" 🌥️ – Perfect for curious minds in grades 3 to 8!

This engaging and informative video will take students on an exploration of the atmosphere to discover the elements that come together to create the weather patterns we experience daily.

Learning Objectives:

Understand the Fundamentals: Students will learn the basic components of weather, such as temperature, humidity, precipitation 🌧️, and wind 🌬️, and how they are measured.

Discover the Causes: The video will explain how different factors like the sun 🌞, the earth's rotation 🌍, and geographical features work together to cause various weather conditions.

Observe and Predict: Students will be encouraged to observe weather patterns and learn the basics of weather forecasting to make predictions about future weather conditions.

By the end of this video, students will have a clearer understanding of what weather is and what causes it, laying the groundwork for future scientific explorations. Enjoy the adventure into the world of weather! 🌈

Additional Learning Resources from Harmony Square:
Don't forget to enhance your learning experience by subscribing to our YouTube Channel [@HarmonySquare] and downloading our comprehensive lesson plans, worksheets, and activities from www.harmonysquarelearning.com.

Follow Us:
Facebook: https://facebook.com/HarmonySquare
Twitter: https://twitter.com/HarmonySquare
Instagram: https://instagram.com/HarmonySquare

Timestamps:
00:00 Introduction
01:00 Understanding the Fundamentals
03:30 Discovering the Causes
06:00 Observing and Predicting Weather Patterns
08:30 Conclusion

Hashtags: #weathereducation #scienceforkids #weatherforecasting #educationalvideo #harmonysquarescience thank you for watching, and we'll see you in the next video!

kokkotv
4 Views · 10 months ago

🌠 Dive into the cosmic mystery of comets with our latest educational video, 'What is a Comet?' ✨ Perfect for Grades K-5, this engaging lesson will take your young astronomers on an interstellar journey to understand these fascinating celestial objects. 🛸 Watch now: https://youtu.be/o5Y0HPGzUN4

🚀 In this video:
Young explorers will learn the definition of a comet, discover its historical significance, and get an in-depth look at its composition. We decode the "dirty snowball" theory and traverse through the different types of comets in our vast solar system.

🧩 Download the FREE Worksheet:
Enhance this cosmic adventure with our activity sheets, perfect for classroom or at-home learning. Get your worksheets here: https://www.harmonysquarelearn....ing.com/science/what

💭 Spark Curiosity with Discussion Questions:
How is a comet different from an asteroid or a meteor?
What might we learn by studying comets about our own planet's history?
Why do you think comets have tails, and what causes them to have different shapes?

🌐 Share, Follow, and Subscribe:
Embrace the love of learning with Harmony Square Learning, where every lesson is an adventure!

Facebook: https://www.facebook.com/HarmonySquareOnline/
Instagram: https://www.instagram.com/harmonysquareyoutube/
Pinterest: https://pinterest.com/harmonysquarelearning/
Subscribe to our channel: @HarmonySquare
Visit our website for more resources: https://www.harmonysquarelearning.com/

#comets #spaceexploration #astronomyforkids #educationalvideos #harmonysquarelearning mm9192

kokkotv
4 Views · 10 months ago

A planet is an astronomical body orbiting a star or stellar remnant that is massive enough to be rounded by its own gravity, is not massive enough to cause thermonuclear fusion, and has cleared its neighbouring region of planetesimals.

The term planet is ancient, with ties to history, astrology, science, mythology, and religion. Five planets in the Solar System are visible to the naked eye. These were regarded by many early cultures as divine, or as emissaries of deities. As scientific knowledge advanced, human perception of the planets changed, incorporating a number of disparate objects. In 2006, the International Astronomical Union (IAU) officially adopted a resolution defining planets within the Solar System. This definition is controversial because it excludes many objects of planetary mass based on where or what they orbit. Although eight of the planetary bodies discovered before 1950 remain "planets" under the current definition, some celestial bodies, such as Ceres, Pallas, Juno and Vesta (each an object in the solar asteroid belt), and Pluto (the first trans-Neptunian object discovered), that were once considered planets by the scientific community, are no longer viewed as planets under the current definition of planet.

Planets in astrology have a different definition.

The planets were thought by Ptolemy to orbit Earth in deferent and epicycle motions. Although the idea that the planets orbited the Sun had been suggested many times, it was not until the 17th century that this view was supported by evidence from the first telescopic astronomical observations, performed by Galileo Galilei. About the same time, by careful analysis of pre-telescopic observational data collected by Tycho Brahe, Johannes Kepler found the planets' orbits were elliptical rather than circular. As observational tools improved, astronomers saw that, like Earth, each of the planets rotated around an axis tilted with respect to its orbital pole, and some shared such features as ice caps and seasons. Since the dawn of the Space Age, close observation by space probes has found that Earth and the other planets share characteristics such as volcanism, hurricanes, tectonics, and even hydrology.

Planets are generally divided into two main types: large low-density giant planets, and smaller rocky terrestrials. There are eight planets in the Solar System. In order of increasing distance from the Sun, they are the four terrestrials, Mercury, Venus, Earth, and Mars, then the four giant planets, Jupiter, Saturn, Uranus, and Neptune. Six of the planets are orbited by one or more natural satellites.

Several thousands of planets around other stars ("extrasolar planets" or "exoplanets") have been discovered in the Milky Way. As of 1 November 2019, 4,126 known extrasolar planets in 3,067 planetary systems (including 671 multiple planetary systems), ranging in size from just above the size of the Moon to gas giants about twice as large as Jupiter have been discovered, out of which more than 100 planets are the same size as Earth, nine of which are at the same relative distance from their star as Earth from the Sun, i.e. in the circumstellar habitable zone. On December 20, 2011, the Kepler Space Telescope team reported the discovery of the first Earth-sized extrasolar planets, Kepler-20e[5] and Kepler-20f,[6] orbiting a Sun-like star, Kepler-20. A 2012 study, analyzing gravitational microlensing data, estimates an average of at least 1.6 bound planets for every star in the Milky Way. Around one in five Sun-like stars is thought to have an Earth-sized planet in its habitable zone.

There is no official definition of extrasolar planets. In 2003, the International Astronomical Union (IAU) Working Group on Extrasolar Planets issued a position statement, but this position statement was never proposed as an official IAU resolution and was never voted on by IAU members. The positions statement incorporates the following guidelines, mostly focused upon the boundary between planets and brown dwarfs:

Objects with true masses below the limiting mass for thermonuclear fusion of deuterium (currently calculated to be 13 times the mass of Jupiter for objects with the same isotopic abundance as the Sun) that orbit stars or stellar remnants are "planets" (no matter how they formed). The minimum mass and size required for an extrasolar object to be considered a planet should be the same as that used in the Solar System.

Substellar objects with true masses above the limiting mass for thermonuclear fusion of deuterium are "brown dwarfs", no matter how they formed or where they are located.

Free-floating objects in young star clusters with masses below the limiting mass for thermonuclear fusion of deuterium are not "planets", but are "sub-brown dwarfs" (or whatever name is most appropriate).

MM9213




Showing 16 out of 17