These great hollow globes of artificial super-metals, and artificial transparent adamant, ranged in size from the earliest and smallest structures, which were no bigger than a very small asteroid, to spheres considerably larger than the Earth. (Olaf Stapledon, STAR MAKER)
Tuesday, May 1, 2018
Heart of the Sunrise
Today's Astronomy Picture of the Day brings a new perspective to auroral activity. From the perch of the International Space Station, astronauts and cosmonauts can look down at the thin layer of atmosphere and the play of the aurora.
No comments:
Post a Comment