General Knowledge :: Universe
- Pole Star is always seen at one point in the sky whereas other stars are not; this is because ________
- 'The length of its day and the tilt of its axis are almost identical to those of the earth'. This is true of ________
- Which one of the following statements regarding Shooting Stars is incorrect ?
- Which of the following planets do not have satellite?
- In 1610, Galileo Galilei discovered four moons of which planet?
-
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? -
Consider the following statements:
1. The albedo of an object determines its visual brightness when viewed with reflected light.
2. The albedo of Mercury is much greater than the albedo of the Earth.
Which of the statements given above is/are correct?
Whatsapp
Facebook
