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Astronomy
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Natsfan
  • Member for 7 years, 2 months
  • Last seen more than 3 years ago
  • Arlington, VA
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About

Systems Engineer in Arlington VA. Work in support of Dept. of Defense programs. Graduated college with degrees in Physics. I'm very interested in Astronomy, Astrophysics, and Cosmology. Strong interest in and devout user of Apple products. I have a passion for baseball and I love the sport. Favorite team: Washington Nationals.

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Top posts
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74
Why does gas form a star instead of a black hole?
Jun 27, 2017
26
How do we have photos of galaxies so far away?
Sep 10, 2017
26
Is there an online planetarium where the observer is on another celestial body?
Apr 26, 2020
18
How can a supermassive black hole be 13 billion years old?
Jan 21, 2021
14
How do we not know what's in the Solar System?
Jun 25, 2017
13
Are there Earth rocks on Mars?
May 31, 2020
11
Why are telescope mirrors made of glass?
Nov 5, 2019
8
At what depth below the Sun's surface does the density reach that of water?
Jul 20, 2019
8
Where can I find the positions of the planets, stars, moons, artificial satellites, etc. and visualize them?
Oct 1, 2017
8
Do most astronomers think that Andromeda will collide with Milky Way?
Jul 19, 2017
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How to delete a locked app, Karabiner?
29
How to go up a directory in Finder?