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jmh

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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  • Arlington, VA
  • Member for 2 years, 10 months
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72 Why does gas form a star instead of a black hole? Jun 27 '17
24 How do we have photos of galaxies so far away? Sep 10 '17
13 How do we not know what's in the Solar System? Jun 25 '17
10 Why are telescope mirrors made of glass? Nov 5 '19
8 Do most astronomers think that Andromeda will collide with Milky Way? Jul 19 '17
7 How is the size of a distant planet determined? Jun 5 '19
6 Where can I find/visualize planets/stars/moons/etc positions? Oct 1 '17
6 Software for simulating a night sky Nov 3 '17
5 What contributes the most to the seasonal temperature variation? Sep 16 '17
4 Largest body in the solar system that a baseball thrown by a professional pitcher could escape Feb 21
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