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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 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.
Is every star you see in the Milky Way?
Yes, unless it's a galaxy or nebula outside of the Milky Way... all the singular stars you can see are within our galaxy.
Are all constellations seen from earth located in the milky way galaxy?
That is true, all the constellations are composed of stars which are part of the Milky Way. Other galaxies are seen by the unaided human eye as cloud-like nebulae, rather than point sources of light.
How many light year would it take to get from one end of the milky way to the other?
It is estimated that the Milky Way is about 100,000 light years wide. In other words, it takes light about 100,000 earth years to travel from one edge right across to the far edge.
How long is a day in the Milky Way galexey?
A "day" is basically the time Earth rotates around its axis. Sometimes people talk about a "day" on other planets, which can be anywhere between a few hours and several months. There is no commonly accepted equivalent for the Milky Way.
What observation did Edwin hubble make about the movement of galaxies?
In the late 1920s, the astronomer Edwin Hubble discovered that most of the galaxies he observed were moving away from Earth.
Is Pluto a part of the Milky Way?
Pluto is a part of our solar system, and our solar system is a part of the Milky Way Galaxy. Thus: Pluto is a part of the Milky Way.
Is the Milky Way between mars and Venus?
No. Our entire solar system is located within the Milky Way Galaxy. The largest object between Mars and Venus is Earth.
