Spot ‘Earth Girl’ complete with orbiting planets in this awesome video showcasing the books from Harper Voyager!
- RT @chandraxray: A white dwarf star exploded after reaching critical mass, producing SNR 0519. More than 88 light-years from side to side,… 1 week ago
- Twenty publications adding up to over two million published words. You can find out more about my existing books an… twitter.com/i/web/status/1… 2 weeks ago
- RT @chandraxray: Today Chandra is peering into Hydra, the largest of the 88 modern constellations. Nearby in the sky is planetary nebula Ab… 2 weeks ago