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What is K2?
Comet C/2017 K2 (PanSTARRS) – or “K2” for short – was first spotted five years ago, in May 2017 by the Hubble Space Telescope, NASA reports. The agency shared an image of the comet taken on June 20, 2022, when it was (relatively) near the open star cluster IC 4665 and the bright star Beta Ophiuchi, near the star-filled edge of the Milky Way.
This is the first time Comet K2 has entered the inner solar system from darkness and Oort clouds awayNASA explained. When it was first discovered in May 2017, it was The most active inner comet ever discovered – about 2.4 billion km from the sun, between Orbital distance for Uranus and Saturn.
What size K2?
When Comet K2 was first spotted on the Hubble Space Telescope, scientists estimated that it had a core about 11 miles in diameter. However, according to research from Canada – France – Hawaii telescope, the core of a comet is estimated to have a radius of between nine and 50 miles. Either way, it’s pretty big.
And that doesn’t take into account the size of K2’s tail – the trail of gas and dust behind the comet – also known as the “coma”. According to initial estimates, K2’s tail is Between 81,000 and 500,000 miles Next to. For some perspective, this falls somewhere between the width of one and six planets.
When will K2 be seen?
Your best chance of seeing comet K2 is on the night of July 14, when it will cross its closest point to Earth. Although large, you may need At least a small telescope to find the culprit. Look for a hazy spot of light (i.e. the tail).
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If you’d prefer to watch the comet pass Earth from the comfort of your own home, the Virtual Telescope Project It will be broadcast live starting at 6:15pm on July 14th. But don’t worry too much if you miss K2 on July 14 – you should Visible with a telescope until September.
The closest to the sun is in December.
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