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प्रश्न
What do you know about Universe?
उत्तर
- The Universe is a vast expanse of space.
- The Universe consists of billions of galaxies, stars, planets, dwarf planets, comets, asteroids, meteoroids, and natural satellites.
- The exact size of the universe is still unknown. Scientists believe that the universe is still expanding outward.
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संबंधित प्रश्न
____________ is the unit used to measure the distance between two celestial bodies.
Look at the picture and answer the questions given below.
- Identify the planet.
- What is the colour of the planet?
- Why is it of this colour?
HOT Question
Neelan and Mala are having a conversation about our Universe. Neelan is telling our earth will be the only planet in the entire Universe to have a life with. But, Mala is opposing his view by citing certain points. What would be the argument of Mala. Do you support Mala? Justify your stand.
According to the Big Bang theory, space and time emerged together about ______ billions of years ago.
The event when the matter confined in a single point and began to expand is called ______.
The distance travelled by light in one year is called a ______.
All the atoms together only make up ______ percent of the universe.
All the matter in the universe is made up of hydrogen and helium.
The important thing about the universe is that it is currently shrinking.
Explain the salient features of the Big Bang Theory.
