Comets

Planet Finder Catches a Comet!

Who can forget last October, when astronomers all over the world were astounded by the huge outburst of Comet Holmes?…

17 years ago

Comet Dust is Very Similar to Asteroids

Just so it's clear in your mind: comets are dirty snowballs, asteroids are rocks. Got the difference? Wait... not so…

17 years ago

Deep Impact Has a New Target

It seemed like such a shame. NASA built Deep Impact to see what happens when you smash a refrigerator-sized object…

17 years ago

Comet Holmes is Fading Away

For a little while there, Comet 17P/Holmes was the largest object in the Solar System, flaring up by a factor…

17 years ago

Finally, Hubble’s View of Comet Holmes

All right, here's the picture we've all been waiting for. Step aside ground-based observatories, papa Hubble's here with images of…

17 years ago

Comet Holmes is Bigger than the Sun

All right, that title is a little misleading. In fact, when I first read the original press release, my skepticism…

17 years ago

Rosetta Is Returning to Earth for Another Flyby

Mark your calendars for November 13th, 2007. That's the day ESA's Rosetta spacecraft will be making a close encounter with…

17 years ago

Detailed Images of Comet Holmes

Late last week, the normally dim Comet 17P/Holmes suddenly blazed into view, increasing in brightness by a factor of a…

17 years ago

Comet 17P/Holmes Erupts in the Sky

Astronomers from Europe and Asia are reporting that the normally dim Comet 17P/Holmes has had an eruption. Instead of being…

17 years ago

Solar Storm Tears Off a Comet’s Tail

Comets are known as dirty snowballs. As they approach the Sun, the constant solar wind picks away at their snowy…

17 years ago