Answer to Question #45876 in Astronomy | Astrophysics for deepu singh

Question #45876

A white dwarf star has a mass of (10)30 kg and its luminousity is (10)24 (j)/s . Calculate how long it can survive with its present luminosity of its internal temperature is (10)7 k .

Expert's answer

Download Answer

Learn more about our help with Assignments: Astronomy

Comments

No comments. Be the first!

Leave a comment

Related Questions

1. A star has surface temperature of 25000k . Which lines will be prominent in its spectrum ? Justify y
2. The mean distance of mars from the earth is 0.5A.U. and its orbital period is 687 days . Calculate t
3. show the horizon coordinates of a star X on a celestial sphere for a location at lattitude 60 degree
4. Express the distances of planet jupiter from the earth and the sun in light years.
5. show that the superposition of the R and L state waves showing different amplitudes will yiled an E
6. If distance between earth and sun is become half and orbital speed remains same, then hom many days
7. Gravitational force is attractive not repulsive then why our whole universe is expanding with some a