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Hello! That's a very fair thing to be concerned about! It's tough to say, but the main thing is that there is still about a million years or so left in the star's lifespan...
So, it's true that the sun's gravity is always pulling the Earth toward it However, the way that orbits work is that the planet-- in this case, Earth-- is constantly 'falling'...
Thanks for your interest in our website! Unfortunately, the Ask an Astronomer service lapsed over the past few years, and we had to move to this domain to re-establish it This...
There are tons of talks given on and around campus in different field of astronomy, geared for different audiences! If you are interested in attending talks about current research...
This question is surprisingly complicated! You may have heard something about the black hole's center, often called the singularity Mathematically, the density goes to...