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What are three sizes for galaxies?
Galaxies can be classified into three main sizes: dwarf galaxies, which are small and contain less than a few billion stars; Milky Way-sized galaxies, which are intermediate in size and contain a few hundred billion stars; and giant galaxies, which are massive and can contain trillions of stars.
How many stars are in galaxies?
There are billions of stars in a galaxy. Scientists are saying that they cant give any accurate answer to this question.Answer:Galaxies come in a range of sizes and the number of stars in them is not consistent. Dwarf galaxies may have as few as ten million (107) stars, giant galaxies may have a hundred trillion (1014) stars. Our own Milky Way has 200-400 billion stars (200-400 x109)
Which stars are actually a galaxy?
No stars are actually a galaxy. All stars are stars and all galaxies are galaxies. Stars are found in galaxies. Some galaxies look like tiny dots in our night sky, so might look like a star, but they are not stars; they are galaxies.
How does the size of the sun compare to the sizes of the stars?
Most stars are smaller than the Sun, but those that are larger can be a lot larger.
What are all stars and galaxies in?
All stars and galaxies are in the universe.
What are the structures in space from smallest to largest?
From smallest to largest, the structures in space are: planets, stars, star clusters, galaxies, galaxy clusters, and superclusters. Within each of these categories, there is a wide range of sizes and variations.
Are there any stars between Galaxies?
Yes, there are stars between galaxies. When there are collisions or interactions between galaxies, stars can be ripped out of the galaxies. These stars will then wander into space between galaxies. Such stars have been observed with the Hubble Space Telescope. Taken from http://curious.astro.cornell.edu/question.php?number=384
Do Galaxies contain millions of stars?
Smaller galaxies do. Larger galaxies contain billions or even trillions of stars.
Which objects began to form in your universe earlier stars or galaxies?
Galaxies are the massive collection of stars. Therefore galaxies could not have formed without stars.
How does the energy of the cosmic microwave background compare to the energy radiated by all the stars and galaxies that ever existed?
The energy of the cosmic microwave background is about 400,000 times less than the energy of all the stars and galaxies that ever existed. The CMB is the remnant radiation from the early universe, while the energy radiated by stars and galaxies have been accumulating over millions of years.
How are galaxies and stars related?
Stars and Galaxies are related because a galaxy is a system of billions of stars, gases, and dust.
When galaxies collided they form?
Bigger galaxies. And stars.
