Hercules Star Cluster
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.
Seasons are caused by the tilt of the axis.
Comet Humason, 1961
Comets and Comets Exploding
Total Eclipse of Moon
Total Eclipse of Sun
Total eclipse of the Sun by the Moon, November 23, 2003. Video:
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.
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