Fortune Telling Collection - Zodiac Guide - What's outside the Milky Way? What other galaxies are there?
What's outside the Milky Way? What other galaxies are there?
Analysis:
The outside is called extragalactic galaxy.
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These "extragalactic galaxies" are far away from us, so even through large telescopes, they are just some vague spots of light. They are also made up of thousands of stars in Qian Qian.
A dozen or dozens of galaxies together form a "galaxy cluster", and our Milky Way and its surrounding 19 galaxies form a "galaxy cluster" with a diameter of about 2.6 million light years.
The galaxy organization higher than the "galaxy cluster" is the "galaxy cluster", which consists of hundreds of galaxies. Virgo has a galaxy cluster, which contains more than 1000 galaxies, about 20 million light years away. In the "late constellation", there are
2700 galaxies, about 240 million light years away. There is a "galaxy cluster" containing 400 galaxies in the "Northern Corona Constellation" farther away from us. It takes 700 million years for light to reach our earth from there!
These "galaxy clusters" together constitute our total galaxy.
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