Q. Halley’s comet appears once in a period of ________

Answer

Correct Answer : 76 years

Q. How many days in one year on mercury?

Answer

Correct Answer : 88

Q. If there is no Sun, the colour of the sky would be ________

Answer

Correct Answer : Black

Q. In 1610, Galileo Galilei discovered four moons of which planet?

Answer

Correct Answer : Jupiter

Q. In astrophysics, what is the name of hole in outer space which emits stars and energy?

Answer

Correct Answer : White Hole

Q. In how many parts the shadow of Earth is divided during solar or lunar eclipse?

Answer

Correct Answer : Three

Q. In order of their distances from the Sun, which of the following planets lie between Mars and Uranus?

Answer

Correct Answer : Jupiter and Saturn

Q. Lunar Sea refers to ________

Answer

Correct Answer : A dark plain on the moon

Q. Messenger satellite has been launched by NASA for the study of

Answer

Correct Answer : Mercury

Q. Milky Way Galaxy was first seen by

Answer

Correct Answer : Galileo