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What are galaxies that have very bright centers and very little dust or gas called?
Galaxies with very bright centers and very little dust or gas are called elliptical galaxies. These galaxies are primarily made up of old stars and have a smooth, ellipsoidal shape with little ongoing star formation.
Do Galaxies contain millions of stars?
Smaller galaxies do. Larger galaxies contain billions or even trillions of stars.
Why do some stars appear smaller than others?
some stars seem smaller than the other because they are further away from earth. many stars are also located in different galaxies and are very bright therefore making it slightly visible.
What galaxies are massive blobs of stars?
Elliptical galaxies are massive blobs of stars characterized by their round or ellipsoidal shapes. These galaxies are composed mainly of older stars and have little to no ongoing star formation activity.
Galaxies that have a bright center that contains very little dust and gas?
Stars come in a variety of types. Blue stars, which are very hot, tend to have shorter lifetimes than red stars, which are cooler. Regions of galaxies where stars are currently forming are therefore bluer than regions where there has been no recent star formation. Spiral galaxies seem to have a lot of gas and dust, while elliptical galaxies have very little gas or dust.
What are similarities between elliptical and spiral galaxies?
While spiral galaxies are bright, elliptical galaxies are dim. Spiral galaxies are hotbeds of star formation, but elliptical galaxies aren't nearly as prolific because they contain less gas and dust, which means fewer new (and brighter) stars are born
Why are spiral galaxies so bright?
The brightness of normal galaxies is mainly due to stars; quasars are believed to get most of their energy output from the black hole at their center.
Why dwarf stars are so bright?
Dwarf stars are NOT "so much Bright", the smaller the star is (provided it is on the main sequence) the less intrinsically bright it is.
What are the bright lights in night sky that are NOT stars or planets?
The moving bright lights may be aircraft, satellites, or meteors. The bright points that are not stars or planets may also be galaxies, asteroids, comets, or the moons of planets.
Why are dwarf stars so much Bright?
Dwarf stars are NOT "so much Bright", the smaller the star is (provided it is on the main sequence) the less intrinsically bright it is.
What do stars do in space?
stars are balls of dust light and chemicals they are bright to us because of an optical illusion. in the day stars are over taken by the sun so you cant see them they don't necessarily have a reason in space
Do galaxies have nebulae?
Many do, certainly. However, the very oldest galaxies have used up most of their starforming material by now. Spiral galaxies such as our own have lots and lots of nebulae. Often galactic rotation can start off bouts of star formation from the nebulae (both bright and dark) as they come under the gravitational influence of new stars in their neighbourhood.
