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From Wikipedia: "An astronomical body's Hill sphere is the region in which it dominates the attraction of satellites." In other words, any object (such as a star, or a small galaxy) within a galaxy's Hill sphere can have a stable orbit; the orbit of anything outside of such a Hill sphere will eventually decay; in other words, it might escape, or fall towards the galaxy.
What else can I help you with?
HII regions of the universe are known as?
The orion Nebula
A galaxy with a bulge at its center and spiral arms?
This type of galaxy is categorized as a spiral galaxy. The bulge at the center contains older stars, while the spiral arms consist of younger stars and gas and dust regions where new star formation occurs. The Milky Way is an example of a galaxy with a bulge and spiral arms.
A flattened combination of matter containing stars gas and dust in a spiral galaxy can be identified as what?
A flattened combination of matter containing stars, gas, and dust in a spiral galaxy is identified as the galaxy's disk. This disk is where most of the galaxy's star formation occurs and contains the majority of its stars and interstellar material. The spiral arms within the disk are regions of higher density that enhance star formation.
What are HII known as?
HII is known as a phrase just like a greeting.Hope that answered your question.
Hello?
Hii
Amit?
hii
Hii can you know needs for a better pharmacist?
hii my name is jerry and my girlfriends name is Katie
What was the date super Mario galaxy came out?
Super Mario Galaxy came out in most regions on November 2007.
What does interstellar mean?
That means matter between stars - mainly dust and gas.
What has mt.fugi caused?
hii =]]
Becoming a model?
hii........
What is the process of metaplasia?
hii
