Category Archives: Mercury

Mercury Is Spotted For The First Time – From Mars!

The planet Mercury (circled) was seen for the first time from Mars by Curiosity on June 3, 2014

The planet Mercury (circled) was seen for the first time from Mars by Curiosity on June 3, 2014

NASA’s Curiosity rover may be busy exploring the rugged and rocky interior of Gale Crater but it does get a chance to skygaze on occasion. And while looking at the Sun on June 3, 2014 (mission Sol 649) the rover’s Mastcam spotted another member of our Solar System: tiny Mercury, flitting across the Sun’s face.

Silhouetted against the bright disk of the Sun, Mercury barely appears as a hazy blur in the filtered Mastcam image above. But it was moving relatively quickly during the transit and passed the darker smudges of two Earth-sized sunspots over the course of several hours. It was the first time Mercury has ever been imaged from Mars, and also the first time we’ve observed a planet transiting our Sun from another world besides our own.

Read the rest of my article (and watch a cool animation of the transit) on Universe Today here.

Image credit: NASA/JPL-Caltech/MSSS/Texas A&M

MESSENGER Gets Up Close and Personal With Mercury

One of MESSENGER's highest-resolution images of Mercury's surface yet

One of MESSENGER’s highest-resolution images of Mercury’s surface yet

Mercury’s ready for its close-up, Mr. MESSENGER! At an incredible 5 meters per pixel, the image above is one of the highest-resolution images of Mercury’s surface ever captured. It was acquired on March 15 with the MESSENGER spacecraft’s MDIS (Mercury Dual Imaging System) instrument and shows an 8.3-km (5.2-mile) -wide section of the planet’s north polar region, speckled with small craters and softly rolling hills.

And, with a new low-altitude mission ahead, there’ll be plenty more like this — and likely even better — in the months ahead. Read the rest of this article here.

Image credit: NASA/Johns Hopkins University Applied Physics Laboratory/Carnegie Institution of Washington

The Brightest Lights: 12 Awesome Space Stories of 2013

1400-image mosaic of Earthlings waving at Saturn on July 19, 2013 (NASA/JPL)

1400-image mosaic of Earthlings waving at Saturn on July 19, 2013 (NASA/JPL)

What a year for space exploration! With 2013 coming to a close I thought I would look back on some of the biggest news in space that I’ve featured here on Lights in the Dark. Rather than a “top ten” list, as is common with these year-end reviews, I’m going to do more of a month-by-month (hence the 12) to help recollect some of the amazing stories and sights that 2013 has brought us. And with some of the big headliners we’ve seen this year it’s easy to lose sight of the smaller (but no less fascinating) discoveries — so I’ll be sure to include some of those too. After all, when it comes to learning about the Universe there’s no “little” news!

Ready? Let’s go!

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John Lennon Memorialized with a Crater on Mercury

Mercury's Lennon crater as seen from NASA's MESSENGER spacecraft. Image Credit: NASA/Johns Hopkins Applied Physics Lab/Carnegie Institution

Mercury’s Lennon crater as seen from NASA’s MESSENGER spacecraft in January 2013.
Image Credit: NASA/Johns Hopkins Applied Physics Lab/Carnegie Institution

33 years after his death, John Lennon’s name has been officially given to a crater on Mercury. Imagine that.

The 95 km (59 mile) wide Lennon crater is one of ten newly named craters on the planet, joining 114 other craters named since NASA’s MESSENGER spacecraft’s first Mercury flyby in January 2008.

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The Other Side of ISON: Here’s the Comet as Seen from Mercury

MESSENGER image of the approaching ISON from Mercury

MESSENGER image of the approaching ISON from Mercury

While many skywatchers, scientists, and astronomy enthusiasts around the world wait to see if comet ISON survives its perihelion — that is, its closest pass by the Sun — on Nov. 28, the MESSENGER spacecraft has captured an image of the incoming comet from its position in orbit around Mercury!

The image above, shared today on the MESSENGER website, shows ISON from a distance of 22.5 million miles, and just over 42 million miles from the Sun. At perihelion ISON will come within a scant 730,000 miles of the Sun. Whether or not it survives its Thanksgiving Day encounter has yet to be seen.

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Evidence of Ancient Aliens? Nah, It’s Just Pareidolia (Again)

A curiously human shape rises from the surface of Mercury in this MESSENGER image

A curiously human shape rises from the surface of Mercury in this MESSENGER image

You’ve heard of the Man in the Moon and the Face on Mars, now meet the Mercury Man!

This image, obtained by the MESSENGER spacecraft in July 2011, shows a portion of the floor of Caloris basin — the remnants of an enormous impact that occurred on Mercury nearly 4 billion years ago. Rising from the surface (and dramatically lit by sunlight from the west) is what appears to be a humanoid form. Is this some ancient structure built by an alien race, aimed our way in the hopes of us one day discovering it?

Nah, it’s just pareidolia.

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Incredible Images of Earth from Saturn and Mercury

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Our planet as seen from Cassini at Saturn and MESSENGER at Mercury

What does the Earth and Moon look like from other planets in the solar system? Just more pretty little lights in the dark…

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