• Planetary Nebula NGC 2440

A dying star spins a cocoon of colorful gas.

• Crab Nebula (M1)

This nebula has a good reason to be crabby.

• Cat's Eye Nebula (NGC 6543)

Make eye contact with the Cat's Eye Nebula .

• Globular Cluster M80

Be swept up in a glittering swarm of stars.

• NGC 346 in the Small Magellanic Cloud

Compare clusters of hot, blue stars and cool, yellow, Sun-like stars.

• Stellar Spire in the Eagle Nebula

Watch light from hot stars eating away the surface of the dust and gas cloud in the Eagle Nebula.

• Helix Nebula

Gaze down a tunnel of gas created by a dying star.

• Orion Nebula

Open the lid on a bubbling cauldron of creation. Stars and solar systems are forming here.

• Helix Nebula "Knots"

Untie the mystery of the knots in the Helix Nebula.

• Eagle Nebula

Feast your eyes on Hubble's most famous image.

• Eskimo Nebula

See the colorful aftermath of a Sun-like star's death.

Fast Facts: Hercules Globular Cluster

As dazzling as its namesake hero, this cluster holds more than 100,000 stars.
NOTE: For more Fast Facts on nebulae, dig deeper…

Graphic Organizer:
Comparing globular star clusters and open star clusters

Stars and more stars — can you tell what's in a star cluster just by appearances?
NOTE: For more Graphic Organizers on nebulae, dig deeper…

Myths vs. realities: Stars

Stars all eventually become supernovae — true or false?