What is the thickness of the Milky Way galaxy?
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What is the thickness of the Milky Way galaxy?
1000 light years
The thickness of the Milky Way’s disk depends on where you are in the galaxy. It’s thicker nearer the centre and gets thinner as you move out towards the edge. But on average it is 1000 light years thick.
How large is our galaxy?
about 100,000 light-years
Our galaxy probably contains 100 to 400 billion stars, and is about 100,000 light-years across. That sounds huge, and it is, at least until we start comparing it to other galaxies. Our neighboring Andromeda galaxy, for example, is some 220,000 light-years wide.
What galaxy do we live in 1 point?
They come in a variety of shapes and sizes. The Milky Way is a large barred spiral galaxy. All the stars we see in the night sky are in our own Milky Way Galaxy. Our galaxy is called the Milky Way because it appears as a milky band of light in the sky when you see it in a really dark area.
How thick is the Milky Way galaxy at the Sun in light years?
The Milky Way is about 1,000,000,000,000,000,000 km (about 100,000 light years or about 30 kpc) across. The Sun does not lie near the center of our Galaxy. It lies about 8 kpc from the center on what is known as the Orion Arm of the Milky Way.
How big is our galaxy in light-years?
52,850 light years
Milky Way/Radius
What is the width of our solar system?
Sedna is three times farther away from Earth than Pluto, making it the most distant observable object known in the solar system. It is 143.73 billion km from the Sun, thus giving the Solar System a diameter of 287.46 billion km.
How small is our universe?
46.1 billion light-years
Today, 13.8 billion years after the Big Bang, the Universe is 46.1 billion light-years in radius — in all directions — from our vantage point.
What is a galaxy short answer?
The Short Answer: A galaxy is a huge collection of gas, dust, and billions of stars and their solar systems, all held together by gravity. We live on a planet called Earth that is part of our solar system. It’s a small part of the Milky Way Galaxy.
How big is our galaxy in light years?