Q. The term ‘meteor’ is applied to an interplanetary body ________

Answer

Correct Answer : After it enters the earth's atmosphere and explodes in mid air as a ball of fire

Q. The time required by moonlight to reach the earth is ________

Answer

Correct Answer : 1.3 sec

Q. To a space traveller on moon, the lunar sky during day time appears ________

Answer

Correct Answer : Black

Q. Triton is the Moon of which planet?

Answer

Correct Answer : Neptune

Q. Twelve constellations referred to as zodiac are ________

Answer

Correct Answer : Imaginary region that encompass the path of the planets

Q. What are Sun spots?

Answer

Correct Answer : Dark patches on the surface of the Sun resulting from a localised fall in the temperature to about 4000 K

Q. What is “Supernova”?

Answer

Correct Answer : Black Hole

Q. What is the difference between asteroids and comets? 1. Asteroids are small rocky planetoids, while comets are formed of frozen gases held together by rocky and metallic material. 2. Asteroids are found mostly between the orbits of Jupiter and Mars, while comets are found mostly between Venus and Mercury. 3. Comets show a perceptible glowing tail, while asteroids do not. Which of the statements given above is/are correct?

Answer

Correct Answer : 1 and 3 only

Q. What is the total number of planets move around the Sun?

Answer

Correct Answer : Eight

Q. Which is the brightest planet of the solar system?

Answer

Correct Answer : Venus