Only two weeks away now! Rather than write a lengthy post, I’m just going to address the main questions I’ve been getting over the past few months. The sun is going to be 90% obscured at my home. Is it…
Year: 2017
How Big Is That Star?
Two of the most fundamental properties of any astronomical object are size and distance. How big is it, and how far away is it? The vast scales of cosmological distances are determined by a variety of methods, just as one…
Tagged with: stellar size
Back to the Moon!
The last time humanity ventured out of low Earth orbit (LEO) was in December 1972. The Apollo 17 mission, last in the series, took Gene Cernan, Jack Schmitt, and Ron Evans to the moon, where Cernan and Schmitt spent a…
Tagged with: SpaceX
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