Hydrogen and helium.
in the halo
solar system
No, elements exist throughout the universe, not just on Earth. Elements are the building blocks of matter and can be found in stars, planets, and other celestial bodies. They are fundamental to the composition of all known matter.
Yes, stars can exist outside of a galaxy. These stars are typically referred to as intergalactic stars, and they may have been ejected from their original galaxy due to interactions with other stars or galactic dynamics. Intergalactic stars are typically found in the space between galaxies.
Population 1 stars are luminous. They include the Sun and are hot and young stars. These types are usually found in spiral galaxies. Population 2 stars are found in nucleuses of galaxies and globular galaxies. These stars are older and usually cooler than the population 1 ones.
These elements are found in are very important in each of the five stars. all five stars because the elements
Most new, young, stars can be found in the arms of spiral galaxies
Large stars are distributed all over our galaxy, there is no single location for them.
A galaxy is by a definition a group of stars. If there were no stars it could not be a galaxy.
Every galaxy contains stars, if that's what you mean. "Galaxy" means "big bunch of stars". No stars ===> no galaxy.
It is less likely for stars in the halo of a galaxy to have planets compared to stars in the disk of the galaxy. This is because the halo contains older stars with fewer heavy elements necessary for planet formation. However, some planets could still exist around halo stars, but they would be rare.
Cheese