1) To a space traveler on moon, how does the lunar sky during day time appear?
2) NASA’s Deep Impact space mission was employed to take detailed pictures of which comet nucleus?
Answer: Tempel 1 (official designation: 9P/Tempel)
3) How is Albedo defined?
Answer: The amount of insolation reflected back to the space by the top of atmosphere, by clouds and ice-covered areas of the earth’s surface
4) The largest amount of reflection of the solar radiant energy which is reflected back into space before reaching the earth’s surface why happens this?
5) The incoming short-wave solar radiation is balanced by an equal amount of long-wave radiation from earth going back to space. What is this?
Answer: Heat balance of earth
6) Two cars, passing each other at high speed, are in danger of side swiping why?
Answer: Because of decrease in air pressure in the space between them
7) When an electric bulb breaks, why is there a mild bang?
Answer: Due to the air rushing in to fill the evacuated space
8) To an astronaut, how does outer space appear?
9) What is the difference between explosion and combustion?
Answer: That there is rapid increase of pressure in confined spaces in case of an explosion, but no such change occurs during combustion
10) It has been observed that astronauts lose substantial quantity of calcium through urine during space flight. Why is this?
Answer: Due to microgravity
11) Which was the first satellite to be sent into space?
12) In order of their distances from the Sun, which planet lie between Mars and Uranus?
Answer: Jupiter and Saturn
13) Which two planets of the solar system have no satellites?
Answer: Mercury and Venus
14.) In 1610, Galileo Galilei discovered four moons of which planet?
15) Which planet looks reddish in the night sky?
16) What the twelve constellations to as zodiac?
Answer: A group of stars
17) What is the period of one revolution of sun around the center of galaxy called?
Answer: Cosmic year
18) Which is the planet its length of its day and the tilt of its axis are almost identical to those of the earth?
19) Which planet have thirteen moons?
20) Who discovered the laws of planetary orbits?
Answer: Johannes Kepler
21) Which celestial body besides earth bear, The Sea of Tranquility’ and The Ocean of Storms’ ?
22) Which planet take maximum time for one revolution around the Sun?
23) When will the Comet Swift–Tuttl crash with Earth?
Answer: In 2116 AD
24) Which is the hottest planet?
25) Which planet is known as the ‘Watery Planet’ ?
26) The light coming from stars gives the idea of their which quality?
27) What is the outermost layer of Sun called?
28) Comets revolve around which body?
29) Which gas is most predominant in the Sun?
30) Which planet of the solar system spins on its axis at the fastest rate?
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