New posts in Galaxies

How did we 'discover' dark matter?

Are we closer to an accurate 3D image of our galaxy using the Gaia billion star data set?

What causes our Sun to oscillate around its mean Galactic orbit?

Gross "temperature" of a globular cluster

Gravothermal catastrophe: looking for simple explanation

Coupling between galaxy spin and central black hole spin

Why don't galaxies orbit each other?

Why isn't the center of the galaxy "younger" than the outer parts?

Expansion of the Universe: is new space(time?) being created or does it just get stretched?

What is the area of the sky that is covered by the Hubble Ultra Deep Field image?