Star Trail Photo Hints at Hidden Polestars - Universe Today
A week ago I made a 45-minute time exposure of the southern sky featuring the planet Mars. As the Earth rotated on its axis, the stars trailed across the sky. But take a closer look at the photo and you’ll see something interesting going on. The trails across the diagonal (upper right to lower left) … Continue reading "Star Trail Photo Hints at Hidden Polestars"
Post to Tumblr