Heart Nebula in Cassiopeia Constellation

What energizes the Heart Nebula?

What color is Pluto, really? It took some effort to figure out.

To some, this nebula looks like the head of a fish.

This cosmic close-up looks deep inside the Soul Nebula.

If you could stand on Mars -- what might you see? If you were NASA's Curiosity rover, just last month you would have seen the view from Vera Rubin Ridge, an intriguing rock-strewn perch on the side of Mount Sharp.

The greenish coma of comet 21P/Giacobini-Zinner stands out at the left of this telephoto skyscape spanning over 10 degrees toward the northern constellations Cassiopeia and Perseus.

Stars are forming in the Soul of the Queen of Aethopia.