Today, comet C/2022 E3, a visitor that has not visited the Earth since the last ice age, will make its closest approach to our planet, or perigee. Then it will speed away and not return for about 50,000 years.
Although it will be at its brightest during this time, the full moon is joining the show and will make it hard to see without optical aid. But in the days after the full moon (Feb 6-22) the comet will still be very bright and well placed for viewing in the NE sky, almost directly overhead (see diagram below). The comet passes close to the red planet Mars on the 10th-11th, and then passes just to the east of Orion's shield on Feb 16-22.
It's closest point (perigee) is a distance of around 26 million miles from our planet, about 28% of the distance between Earth and the sun. You can also watch the comet live online on Feb. 1 in a free webcast at 11 p.m. EST (0400 GMT) from the Virtual Telescope Project.
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