The most earth-like planets. Mars is the most earth-like planet in the solar system. A Martian day is just over 24 h, & its rotation axis is tilted by about the same amount as Earth's. It is thought that at some point in Mars's past, it may have had liquid water on its surface.

Zooming into Sagittarius A*, the black hole at the centre of our galaxy. A swarm of stars orbit around an invisible object: a supermassive black hole, 4.3 million times bigger than the Sun. Credit: ESO/GRAVITY collaboration/L. Calçada, N. Risinger, DSS.

Amazing! Thank you #DART for your service. #PlanetaryDefense #DARTMission