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Posts tagged comet

Comet Siding Spring Whizzes Past Mars

A comet the size of a small mountain and about as solid as a pile of talcum powder whizzed past Mars, dazzling space enthusiasts with the once-in-a-million-years encounter.

The comet, known as Siding Spring, made its closest encounter with the Red Planet at 2:27 p.m. EDT on Sunday, racing past it at a breakneck 126,000 miles per hour. Read more

Why a Mars Comet Impact Would be Awesome

...the aftermath of a cometary collision would be a scientific smorgasbord. If we ever needed to be “pushed” to send a manned mission to the surface of Mars, I can think of no better time than in the years after a massive comet strike.

A Comet to Hit Mars in 2014?

A recently discovered comet will make an uncomfortably-close planetary flyby next year — but this time it’s not Earth that’s in the cosmic crosshairs.

Come on, wouldn’t this be awesome? Could be a bummer for Curiosity and Opportunity though… Read more

Behold! Comet Lemmon Glows Lime Green

Comet Lemmon looks more like a lime in this photo captured by Peter Ward just south of Sydney, Australia. Read more…

Breaking up is hard to do. Unless you are a comet: DNews blogger and radio astronomer Nicole Gugliucci presents some great astrophotography of Comet Hergenrother by astronomers who participate in the Virtual Star Party. Enjoy!

When Something Big Slammed Into the Moon

While in its new higher elliptical orbit, NASA’s Lunar Reconnaissance Orbiter may be trying to conserve fuel but it’s certainly not holding back on the amazing images!

The shot above — actually a mosaic of 8 separate images taken during 4 consecutive orbits — shows Giordano Bruno, a 21-km (13-mile) wide crater that may be the result of a comet or asteroid impact 10 million years ago. To us, that’s a long time — longer than humans have walked on Earth. But to a 4.5 billion-year-old Moon, that’s just yesterday!

keep reading

See the full size zoomable mosaic here.

Thar She Blows! Amateurs Photograph Incoming Comet

Astronomers using the Faulkes Telescope are first to re-image the comet before its Rosetta spacecraft meet-up in 2014.

keep reading

Comet Lovejoy to ‘Play Chicken’ With the Sun

With an obvious death wish, Comet Lovejoy is on a rather unfortunate voyage; it’s falling toward the sun.
Known as a Kreutz Sungrazing comet, or simply a “sungrazer,” C/2011 W3 (Lovejoy) was discovered by Australian amateur astronomer Terry Lovejoy on Nov. 27, 2011.

It is expected to be closest to the sun RIGHT ABOUT NOW!!!