Astronomy

The Ant planetary nebula. Ejecting gas from the dying central star shows symmetrical patterns unlike the chaotic patterns of ordinary explosions.

A Celestial News Bureau

Three Smithsonian astronomers run a worldwide news service about what is happening overhead

None

Scoping Out the Sky

For everyday folks and presidents, too, the Naval Observatory is a fascinating place to study the stars

None

A Space Invader Is Here

An intergalactic war is going on, but not the kind we used to read about in science fiction magazines

None

More Violence Overhead

Bursts of gamma rays have been a mystery for 30 years; Now, with new satellites, we have some clues

None

Phenomena, Comment & Notes

While Comet Shoemaker-Levy 9 is history, space scientists are beginning to piece together the details of its pyrotechnic encounter with Jupiter last July

Page 47 of 47