‘Discovering Exoplanets’ is one of the important topics on which students can be asked to write a paragraph in exams in school. Exoplanets are planets that orbit stars outside our solar system, and scientists are using powerful telescopes to find them. Please check the various versions (100 words, 150 words, 200 words, and 300 words) provided below for the paragraph.
Paragraph on ‘Discovering Exoplanets’ in 100 Words
Exoplanets are planets that orbit stars outside our solar system. Scientists use big telescopes to find them. Some exoplanets are small like Earth, while others are giant like Jupiter. They can be hot, cold, or even covered in gas. Scientists look for exoplanets by watching how stars dim when a planet passes in front. Some exoplanets might have water, which is important for life. The discovery of exoplanets helps us learn more about space. Maybe one day, we will find a planet where humans can live. The universe is full of exciting planets waiting to be explored!
Paragraph on ‘Discovering Exoplanets’ in 150 Words
Exoplanets are planets outside our solar system. Scientists use powerful telescopes to find them. Some exoplanets are rocky like Earth, while others are made of gas like Jupiter. They can be very hot or extremely cold. Some even have clouds of metal or rain made of glass!
Scientists discover exoplanets in different ways. One method is watching a star’s light. If the light dims, it means a planet may have passed in front of it. Another way is by studying how a star wobbles when a planet pulls on it.
Some exoplanets may have water, which is important for life. Scientists dream of finding a planet like Earth. Maybe one day, humans will travel to an exoplanet! The universe is full of wonders, and new planets are constantly being discovered.
Paragraph on ‘Discovering Exoplanets’ in 200 Words
Exoplanets are planets that orbit stars beyond our solar system. Scientists have discovered thousands of them using special telescopes. Some exoplanets are small and rocky, like Earth, while others are gas giants, like Jupiter. They come in many sizes, colors, and temperatures. Some are so close to their stars that they are boiling, while others are cold.
There are different ways to find exoplanets. One method is the transit method—scientists watch a star’s brightness. If it dims, a planet might be passing in front of it. Another way is the wobble method, where scientists observe how a star moves due to a planet’s gravity.
Scientists are searching for exoplanets that could have water and air, which are needed for life. Some exoplanets might have oceans, while others could have thick clouds. Maybe one day, we will find a planet like Earth! The more we explore, the more we learn about the universe.
Paragraph on ‘Discovering Exoplanets’ in 300 Words
Exoplanets are planets that orbit stars outside our solar system. Scientists have discovered thousands of them, and they come in many different shapes and sizes. Some are rocky like Earth, while others are made of gas like Jupiter. Some are even stranger—there are planets covered in lava, planets with diamond rain, and even planets where the sky glows red!
Scientists use powerful telescopes to find exoplanets. One method is the transit method, where they watch a star’s light. If the light dims at regular times, it could mean a planet is passing in front of it. Another method is the wobble method, where they observe a star’s tiny movements. A star wobbles when a planet’s gravity pulls on it. Scientists can also study exoplanets by looking at how they reflect light from their stars.
One exciting goal is finding exoplanets that could support life. To do this, scientists look for planets in the habitable zone—the right distance from their star where liquid water can exist. Some exoplanets might have lakes and oceans like Earth. If we ever find life on another planet, it would be one of the greatest discoveries in history!
The universe is full of mysteries, and new exoplanets are always found. Maybe one day, we will even visit them!
MCQs on ‘Discovering Exoplanets’
1. What is an exoplanet?
a) A planet in our solar system
b) A star in another galaxy
c) A planet outside our solar system
d) A moon orbiting Earth
2. How do scientists find exoplanets?
a) By looking at them with the naked eye
b) By using big telescopes
c) By landing on them
d) By sending astronauts to space
3. What happens when a planet passes in front of a star?
a) The star becomes brighter
b) The star disappears
c) The star’s light dims
d) The planet starts glowing
4. Which planet is an example of a gas giant?
a) Earth
b) Mars
c) Jupiter
d) Mercury
5. Why are scientists excited about finding water on exoplanets?
a) Water makes planets colorful
b) Water is important for life
c) Water keeps planets cool
d) Water makes exoplanets larger
6. What is the habitable zone?
a) A place where aliens live
b) A region around a star where water can exist
c) A zone where planets are made of fire
d) A cold part of the galaxy
7. Which of these is NOT a way to find exoplanets?
a) Transit method
b) Wobble method
c) Listening to alien sounds
d) Studying reflected light
8. What kind of exoplanets have scientists found?
a) Planets made of gas
b) Rocky planets like Earth
c) Planets with extreme weather
d) All of the above
9. Why do scientists search for exoplanets?
a) To find a new home for humans
b) To take pictures of space
c) To name new planets
d) To make the universe bigger
10. How many exoplanets have scientists discovered?
a) Only one
b) A few dozen
c) Thousands
d) None
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