Comets

The Solar System has a second plane where objects orbit the Sun

Almost all the objects orbiting the sun live in a particular plane, called the ecliptic plane. But a recent analysis…

3 weeks ago

Okay, New Idea. Oumuamua is an Interstellar “Dust Bunny”

Explaining the concept of a dust bunny to small children can be quite amusing.  No, it’s not actually alive.  It’s…

2 months ago

Everyone Took Pictures of Comet NEOWISE, Including Hubble

This summer we were (finally) treated to a spectacular, naked-eye comet, C/2020 F3 NEOWISE. And while seeing it with our…

2 months ago

Parker Solar Probe Gives a Unique Perspective on Comet NEOWISE

Comet watchers have enjoying the newly-discovered NEOWISE comet since it was first spotted in March 2020. Now that it's visible…

4 months ago

Astronomers Finally Think They Understand Where Interstellar Object Oumuamua Came From and How it Formed

'Oumuamua caused quite a stir when it visited our Solar System in 2017. It didn't stay long, however, and when…

7 months ago

When Comets Break Up, the Fragments Can Be Devastating If They Hit the Earth

Comet breakups are a timely topic right now. The interstellar comet 2I/Borisov just broke into at least two pieces. And…

7 months ago

Interstellar Comet 2I/Borisov Appears to Have Broken in Half

In 2019, amateur astronomer Gennadiy Borisov discovered a comet, which now bears his name. There's a long history of amateur…

7 months ago

Rosetta Saw the Building Blocks of Life on Comet 67P

Why is there so little nitrogen in Comet 67P/Churyumov-Gerasimenko (67P)? That's a question scientists asked themselves when they looked at…

9 months ago

Comets and Interstellar Objects Could be Exporting Earth Life Out into the Milky Way

A new study suggests that comets and asteroids that graze Earth's atmosphere might be responsible for the spread of life…

1 year ago

Here’s the Picture We’ve Been Waiting for. Hubble’s Photo of Interstellar Comet 2I/Borisov

Leave it up to the good ole Hubble Space Telescope. The workhorse telescope has given us a photo of the…

1 year ago