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Milky Way Galaxy
The Milky Way, named for how its pale light is seen from Earth, is the galaxy that our solar system belongs to.
954 Questions
How does the Milky Way looks like?
They differ. Galaxies basically fall into 4 categories, those being Spiral, Barred Spiral, Elliptical and Erratic.
How did the Milky Way galaxy get named?
The Ancient Greeks - to them it looked like a stream of milk splashed across the sky.
What galaxy will eventually collide with milkey way galaxy?
The Milky Way galaxy will collide with Andromeda, but it will take about a 2 billion years until they collide and finish. Earth will not get blown up, but by then, the sun will probably be out of hydrogen and expand. Then earth will be engulfed and all life will die.
Which way do Spiral Galaxies rotate?
Spiral galaxies mainly rotate either clockwise or anticlockwise depending on which way the "winding" started during the formation of the galaxy.
Some galaxies, however like NGC 4622 [See related link], can have opposing directions, however this is rare and probably the cause of a galactic interaction.
How long would it take to reach the ends of the milky way galaxy?
The Milky Way galaxy is about 100,000 light-years in diameter. Traveling at the speed of light, it would take 100,000 years to reach the edge. However, with current spacecraft technology, which travels at approximately 17,500 miles per hour, it would take over 20 billion years to traverse the galaxy. Thus, reaching the ends of the Milky Way is far beyond human capabilities with existing technology.
No, the Milky Way is a galaxy and it is the galaxy that we live in.
Is the Milky Way galaxy hot or cold?
The Milky Way is not a uniform object; different parts have different temperatures. In outer space, the temperature can go down to a few Kelvin (that is, almost absolute zero); in the center of some stars, the temperature can be a hundred million Kelvin, or even more. (Note: At temperatures of millions of degrees, Kelvin is the same as as Celsius, for practical purposes.)
The Milky Way also contains two significant minor arms, as well as two. This supermassive black hole may have started off smaller.
How long does it take for light to go from one side of the Milky Way galaxy to the other?
100,000 years
Who discovered the galaxies exist outside the Milky Way?
The person who discovered the existence of galaxies outside of the milky way was Edwin Hubble. He also discovered that galaxies move away from each other with a constant acceleration, leading to the big bang theory.
Why does the Milky Way galaxy NOT look like a spiral when viewed from Earth?
It does not look like a spiral because we are inside the disk that forms the spiral arms. To see the spiral, you have to be outside the galaxy, viewing the disk from above or below.
