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A question which has been vexing astronomers for a long time is whether the forces of attraction between stars and galaxies will eventually result in the universe collapsing back into a single point, ...
Check out this lecture for information and pictures of the Milky Way.
Light speed, I've learned, is more like 186,282 mps, not 186,000. One estimate I've heard about the size of the Milky Way is about 130,000 light years in diameter.
Presuming the alien probes were capable of streaking through space at 1/10 the speed of light, it would take 10 billion years to explore just 4 percent of the Milky Way.
Now, a galaxy like our Milky Way has a diameter of about 90,000 light years, so the ratio of these two collections of matter is 15 billion/90 ... So, if in our model the Milky Way is 150 meters in radius, ...
The spiral galaxy M83 which is believed to be similar in size and shape to the Milky Way (AAO) ... A view of the Milky Way from the southern hemisphere - towards the centre of our galaxy (AAO)
Chandra Takes In The Bright Lights, Big City Of The Milky Way...
Looking for statistics on the fastest, tallest or longest roller coasters? Find it all and much more with the interactive Roller Coaster Database.
Looking for statistics on the fastest, tallest or longest roller coasters? Find it all and much more with the interactive Roller Coaster Database.
"If you ever touch her the wrong way again; I will cut you in ways that will make you useless to a woman." Male 69 years old Above you, with my finger over The Big Red Button, Milky Way Galaxy ...
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