nothing they stay the same.
Because newer stars are forming at the outer edges, and because the gravitational pull is stronger for the older stars.
stars explode
If there is no stars. Then all of the planets would be frozen
Older stars
By analysing the oldest stars found.The older the star, the older the Galaxy.
When you get older you become more stubborn that what happens when you get older
Elliptical galaxies have a red color because the stars in them are older and cooler. An example of an elliptical galaxy is Maffei 1.
I think you are describing a "globular cluster", which are associated with older stars by most astronomers.
Spiral galaxies tend to have older stars towards the core and younger stars in the outer arms
Elliptical galaxies have a red color because the stars in them are older and cooler. An example of an elliptical galaxy is Maffei 1.
U.S flag currenly has 50 stars, the older one had 13
Generally older stars are towards the middle of a galaxy whereas younger stars are towards the edge.