Stardust
Look: 7 strange facts unlocking secrets of nebulae
These space clouds look like art — but they’re more than their beauty.
NASA, ESA/Hubble and the Hubble Heritage Team
For more than 30 years, the Hubble Space Telescope has been our eye on the universe’s stunning nebulae.
Simply put, a nebula is a giant cloud of dust and gas in space.
Sometimes they appear when a star dies, and other times they are nurseries for new stars.
