oort cloud
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How (and When) to Watch the Massive K2 Comet Pass Earth
The 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 20th, 2022, when it was (relatively) near open star cluster IC 4665 and bright star Beta Ophiuchi,…
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Mega Comet Arriving From the Oort Cloud Is 137 km Wide
Bernardinelli-Bernstein is officially the largest comet ever discovered, according to updated observations of the inbound object.
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Does Our Sun Have a Long-Lost Twin?
The strange configuration of material in the outer reaches of our solar system has led a team of scientists to speculate that the Sun had a companion during its early days. Intriguingly, this scenario could explain the presence of the hypothesised Planet Nine, should it actually exist.
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Could There Be Massive Planets In The Far Reaches Of Our Solar System?
A pair of new studies claim to have discovered two of the most distant objects ever seen in the outer reaches of the Solar System, including a “Super Earth” located six times further away than Pluto. It’s an extraordinary claim — and it’s also highly unlikely.