Recent content by egsid

Thanks, I pretty much agreed with your answer. We don't have a book; our professor just comes up with problems by himself.

Homework Statement Suppose that an earth-mas object collides with a neutron star with radius 10 km and mass 1.4 $M_{sun}$. The material of the earth-like object would wrap around the neutron star and form a thin layer on top of the original neutron star surface. Assume the material gets...

Hello, everyone it seems to me that people understand how to do this problem but I am struggling to solve it. Homework Statement A quasar with redshift 0.3 is gravitationally lensed into two images by an elliptical galaxy at redshift 0.18. There are two images of the quasar which are separated...