Space Pictures This Week: Rocket Launch, Saturn “Snowman”

Space Pictures This Week: Rocket Launch, Saturn “Snowman”

In visible light, the long ribbon of cold dust known as the Taurus Molecular Cloud, about 450 light-years away, appears as a dark scar across the universe. But by looking at light with wavelengths of a millimeter or less—invisible to the human eye—astronomers can see the faint glow from the dust, as well as stars forming inside the cloud.