W.M. Keck Observatory imagery of star system HR 8799 have been time-lapsed. The system hosts four planets that are more ...

A few years ago I went star gazing in Israel. The Milky Way was above me in the desert sky. Through the telescope I could focus on one star at a time. Each star I gazed upon had its distinct nature.

The stars remain still, but Earth never stops spinning. My goal was to capture a full 24-hour time-lapse, revealing the transition from day to night and back again," the video was captioned.

This time-lapse movie, made from eight Hubble Space Telescope images, shows the apparent motion of the white dwarf star Stein 2051 B as it passes in front of a distant star. The image credit must ...