Year of the Comet
Comet C/2011 L4 (PANSTARRS)

PANSTARRS information

Comet C/2012 S1 (ISON)

ISON information

Web Extras

More about magnetars

The world of neutron stars wouldn't be complete with its "bad boys."
By Liz Kruesi
Published: August 23, 2010
Crab Nebula
Long the pulsar poster child, the Crab Nebula’s central object is a fast-spinning neutron star that emits jets of radiation at its magnetic axis. Astronomers detect the radio signature from these jets as pulses. It turns out that scientists are finding other classes of pulsars that don’t appear to share traits with the Crab’s central object.
Photo by Don Dixon
In October's "Explore the pulsar menagerie," author Victoria M. Kaspi introduced readers to the many different types of neutrons stars and pulsars.
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