Zooming through space at 128,000 miles per hour, a greenish-hued comet is passing near Earth for the first time in nearly 50,000 years. As Birds fans indulge in all sorts of good-luck rituals, why not look for hope in the heavens too?
. Why not look for hope in the heavens?
In this one, the icy exterior contains a substance called diatomic carbon — molecules in which two atoms of carbon are bound to each other. Green comets are not especially rare, but this one is unusual in that it is fairly easy to see from Earth. That’s partly because it is passing fairly close to Earth, by comet standards.“It’s putting on a pretty good show,” he said.This comet’s green glow is especially pronounced because over the eons, it has lost hardly any of its icy mass, Guinan said.
Within a few months, it was close enough to be photographed by skilled amateur astronomers such as Dan Bartlett, a retired high school science teacher in June Lake, Calif.
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