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

PANSTARRS information

Comet C/2012 S1 (ISON)

ISON information

Web Extras

How objects are named today

Most star names have reached us from antiquity, but solar system objects still are being discovered — and named — today.
By Michael E. Bakich
Published: August 29, 2005
The International Astronomical Union (IAU) has arbitrated planetary and satellite nomenclature since 1919. Back then, members appointed a committee to standardize the varied lunar and martian names in use. Before that, the only objects whose names astronomers universally agreed upon were comets. Then, as now, comets are named for their discoverers.
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