What type of star ends up as a White Dwarf? What type of star ends up as a neutron star? What type of star ends up as a black hole?
What type of star has a temp of 25,000K and a luminosity of about 0 What type of star has a temp of 25,000K and a luminosity of about 0.0003 solar units? Betelgeuse is a red supergiant star. What are some characteristics of Betelgeuse? Where is our Sun on the H-R diagram?
What type of galaxy is this? What is at the center?
Is Iron present in our Sun? How would the spectra look different if it were a distant galaxy moving away from us?
How much of the electromagnetic spectrum can we see? What happens to the waves when they hit a solid object?
It takes 4. 2 years for the light from Alpha Centauri to reach Earth It takes 4.2 years for the light from Alpha Centauri to reach Earth. How far away is Alpha Centauri?