Out near the orbit of Jupiter, a faint speck of light is moving through the black of space. At first glance it doesn't look like much, no brighter than a thousand distant stars speckling the velvet sky behind it; indeed, it takes a big telescope make out that it is a comet.
But what a comet it could turn out to be….
Later this year, “Comet ISON” could blossom into a striking naked eye object visible even in broad daylight. Comet ISON 2013...
Comet ISON isn’t the only comet that will be gracing our sky this year. In March, a good seven months before ISON starts its slow waltz across the night sky, the comet PANSTARRS will be a bright naked eye object in the evening sky.
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