How much of the solar system's mass is in the Sun?
The Sun contains about 99.8% of all the mass in our solar system.
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- Will the Milky Way crash into Andromeda?
“The Milky Way is expected to merge with the Andromeda Galaxy in about 4.5 billion years.”
Reference: NASA
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How many stars are in the Milky Way?
The Milky Way contains an estimated 100 billion to 400 billion stars.
How long does sunlight take to reach Earth?
Sunlight takes about 8 minutes and 20 seconds to reach Earth, so we always see the Sun as it was a few minutes ago.