Galaxies
Spiral Galaxy
Andromeda Galaxy
Hercules Star Cluster
Hubble Galaxy
Colliding Galaxies
Galaxies
Spiral Galaxy
Andromeda Galaxy
Hercules Star Cluster
Hubble Galaxy
Colliding Galaxies
The space between stars is so great that there is rarely a collision of stars.
Baby Stars Forming in the Trifid Nebula
Dying Star from Hubble
Jupiter from Voyager
Jupiter and Satellites
The four satellites discovered by Galileo perform a ballet. Video.
Jupiter's Callisto
Jupiter's Europa
Jupiter's Ganymede
Jupiter's Io
Jupiter's Seasons
Seasons are caused by the tilt of the axis.
Martian Sunset
Comet Humason, 1961
Comets and Comets Exploding
Leonid Meteor
Total Eclipse of Moon
Total Eclipse of Sun
Total eclipse of the Sun by the Moon, November 23, 2003. Video:
Aurora Borealis
Ions from Solar Eruptions (prominences) are guided to the Earth's Poles by magnetic fields. The ions interact with molecules in the atmosphere to make awesome colors.
Black Holes are formed from the extreme gravity in collapsed stars. Video.