The Universe Quiz-3

The outermost layer of Sun is called:

Pole Star is always seen at one point in the sky whereas other stars are not; this is because:

The brightest star in the sky is:

What are Sun spots?

Stars which appear single to the naked eye but are double stars when observed by a telescope, are known as:

The distance between the Earth and the Sun (in million kms.) is:

To a space traveller on moon, the lunar sky during day time appears:

The orbits of planets around the Sun, or of satellites around the Earth, can be:

Halley's comet appears once in a period of:

Asteroids have their orbits between the planets:

Which one of the following is correct? Great Bear is a:

A black hole is a:

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 following statements relating to the planet Venus is/are correct? 1. It is the nearest planet from the Sun. 2. It is only slightly smaller than the Earth. 3. It has no atmosphere.

Which of the following statements is/are correct? 1. In comparison to the Jupiter, planet Earth displays eclipses more frequently. 2. On Mars, only partial solar eclipses are possible.

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?

NASA's Deep Impact space mission was employed to take detailed pictures of which comet nucleus?

Which of the following gases is most predominant in the Sun?

The correct sequence of the following planets in terms of gravity, in the descending order is:

The Smith-Tuttle comet will crash with Earth in:

Which one of the following statements is correct with reference to our solar system?

Among the following which planet takes maximum time for one revolution around the Sun?

Which of the following statements is/are correct with regard to Milky Way? 1. It is a spiral galaxy. 2. The solar system resides in one of its spiral arms.

While Venus is seen only for one to two hours either after sunset or before sunrise, Jupiter is seen for the whole night whenever it is visible in the sky. The reason for this is that:

The radiant energy of the sun is transmitted in the form of: