Science

Where is the name given to the small dense hot star that has reached the last stage of its life?
White dewarf

In which state substance exists in the sun?
Plasma

Which are the important pulsating nebulae?
Hublind, Toury

How much time required for the sun one revolution on its own axis?
25.4. days

Which is the most helpful star to know direction?
Polestar

Name the scientist who made detailed study of Nova?
Tycho Brache

Which is the earliest work on Astronomy?
Aryabhattiyam

The outer most layer of the sun is called
Corona

The innermost layer in the sun is called
Photosphere

The region between the corona and the photosphere is called
Chromosphere