Millennium Astronomyさんのイラストまとめ

Melotte 15: 7,500 LYs away in the Heart Nebula. The colorful region has dark clouds, &are silhouetted on atomic gas.

This is a 100 LY wide landscape of dark towers/dust, on a glowing wall of gas on the surface of a molecular cloud.

IC2944 is filled with gas and dust that is illuminated and heated by a loose cluster of massive stars.

Antennae Galaxy collision: When galaxies collide, the stars in them typically don't hit each other. (Space is big).

The Orion Nebula - second pic. is of the large Trapezium stars, and the third shows the failed brown dwarf stars.

The Elephant's Trunk is about 20 LY's long. Its dark cosmic gasses contain the material needed to form new stars.