Class 6 Science Beyond Earth
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What is a constellation?
Answer: A region of sky that includes groups of stars forming patterns.
How many constellations were officially listed by the International Astronomical Union?
Answer: 88 constellations.
What is the name of the star that appears stationary in the North direction?
Answer: The Pole Star or Polaris.
What is the approximate distance of the Sun from the Earth?
Answer: About 150 million km or 1 astronomical unit (au).
How many times bigger is the Sun compared to the Earth in diameter?
Answer: About 100 times bigger.
What is the name of the star nearest to us after the Sun?
Answer: Proxima Centauri.
How many planets are in our Solar System?
Answer: Eight planets.
What are the four inner planets of the Solar System?
Answer: Mercury, Venus, Earth, and Mars.
Why is the Earth called the Blue Planet?
Answer: Because a large portion of its surface is covered with water, making it appear blue from space.
What are natural satellites of planets commonly called?
Answer: Moons.
How long does the Moon take to complete one revolution around the Earth?
Answer: About 27 days.
What are the circular bowl-like structures on the Moon’s surface called?
Answer: Craters.
What is the region between Mars and Jupiter where many asteroids are found called?
Answer: The asteroid belt.
What are comets primarily made of?
Answer: Dust, gases, rocks, and ice.
What is the name of our home galaxy?
Answer: The Milky Way Galaxy or Ākāśha Gangā.
What mission made India the first country to land near the Moon’s south pole?
Answer: Chandrayaan-3.
What date has been declared as ‘National Space Day’ in India?
Answer: August 23.
How often does Halley’s Comet appear?
