Comets | Universe Today

Comets

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…

1 month 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…

2 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…

2 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…

4 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…

7 months 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…

8 months ago

Images are Starting to Come in of the New Interstellar Comet

Thanks to the Gemini Observatory, we now have our first glimpse at the interstellar comet, C/2019 Q4, the second interstellar…

9 months ago

An Astrophotographer Noticed a Chunk of Ice Orbiting Comet 67P in Rosetta’s Photos

The European Space Agency's (ESA) Rosetta mission spent two years at the comet 67P/Churyumov-Gerasimenko. At the end of September 2016,…

10 months ago

Meet the Comet Interceptor. It’ll Wait Patiently In Space for a Comet, Then Pounce On It

The ESA has announced a new mission to explore a comet. The Comet Interceptor mission will have a spacecraft wait…

11 months ago

Astronomers Find a Chunk of a Comet Inside a Meteorite

The early days of the Solar System are hard to piece together from our vantage point, billions of years after…

1 year ago