'Ulysses' has been sending information about

All the planets, moons, asteroids, comets and other bodies orbit around the

The surface of red supergiant shines

The light we see coming from a star is only a small part of

The expansion of universe is slowing down due to

The name of a star in circumpolar constellation is

The first discovered 'white dwarf' is

When energy is produced, a gas emits. This gas is called

American space probe has been studying sun since

Waves travel through space at the speed of light i.e.

Small radio telescopes are used instead

A huge bulge is kept heating up until hydrogen gas begins to convert into

In fact our earth is just a tiny speck in a vast

Scientists says that there is no proof that astrology has been used for prediction of

A telescope that uses a single or a combination of curved mirrors, is also called

The sun is a glowing ball of hot gases which rotates in

The diameter of the lens of the largest telescope is

The stars of the galaxy are continuously moving around the

Besides energy, the explosions on the sun also produce

After every eleven years, the rate of sunspots on the surface of sun is

The mass of 'Sirus A' is

After Big Bang, the period which Solar system took for coming into being was about

The explosion of a huge star is known as

Radio telescopes work just like

Gender constellation was named in

The Sun would grow up to

Radio telescopes were first built and used in

About half of stars we see in night are

After cooling down, sun will turn from red supergiant to

The brightness of 'Sirius-A' is