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Here's Our First Glimpse Of The Rosetta Comet's Dark Side

The Rosetta spacecraft has taken hundreds of stunning photographs of Comet 67P/Churyumov-Gerasimenko over the past year, but a portion of the comet was obscured due to its odd seasonal shifts. Now, thanks to a special camera aboard Rosetta, scientists have created a sketch of its elusive dark side.

Scientists Discover Weather On Rosetta's Comet

Earth’s favourite comet is chock full of surprises. The latest? Weather, of sorts. According to research published this week in Nature, Comet 67P has a small weather system driven by an intense day-night cycle.

Astronomers Want To Watch Comets Slam Into Distant Planets

If a massive comet struck the Earth, the oceans would boil and the air would catch fire (don’t worry, this isn’t about to happen). But to alien astronomers studying our planet from afar, humanity’s brutal demise would look like nothing more than a faint flicker of light. If we could detect such impacts on distant worlds, we might learn a lot about their star systems.

We Found The Building Blocks Of Life On A Comet

Last week, a slew of scientific papers told the story of comet lander Philae’s bumpy touchdown, comet 67P’s surprisingly fluffy surface, and — most exciting — the discovery of life’s building blocks there. We haven’t found life. But we may have found part of life’s origin story, buried on this icy rock.

What Would Happen If A Massive Comet Struck The Sun?

Humans, dark and disturbed creatures that we are, love to imagine what would happen if a massive comet struck the Earth. But what if a giant ice rock flung itself into the Sun? A team of astronomers did the maths to figure out what would happen.

Enjoy This Throwback Fireworks Display From NASA

When it comes to fireworks, NASA doesn’t play around. A decade ago, they crashed a probe into a comet just to watch the cosmic display, and now they have turned that moment into a Vine.

Rosetta's Comet Is Developing Giant Sinkholes Before Our Eyes

Watch your step, Philae! 67P, the comet we landed a space probe on last year, is apparently riddled with sinkholes. And as the massive ball of ice and dust hurls itself toward the sun, its surface is continuing to evolve.

Everything We've Learnt From 50 Years Of (Deliberate) Spaceship Crashes

Last week, NASA’s Messenger spacecraft ended its 11-year mission by crashing into Mercury. Of course, Messenger was doomed anyway, but sometimes a mission’s entire point is to smash one thing into a bigger thing and watch the explosion.

Tonight Is The Best Night To Spot Comet Lovejoy In Australia

Comet alert! Tonight is the best night to get outside and spot C/2014 Q2, a comet discovered last year by Aussie astronomer Terry Lovejoy. Although your mileage may vary, a clear night is predicted tonight at least in Sydney and its surrounds, so there’s a good chance that a fair chunk of Australia’s population will be able to get a decent look.

Look At The Size Of Rosetta's Comet Compared To A 747!

Holy crap, this is amazing. Imgur user grouchymcsurly made this incredible size comparison between the stinky comet 67P/Churyumov-Gerasimenko and a Boeing 747-400. It really puts it in perspective. This thing is incredibly huge!

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