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August 12th, 2013

Poetry Heading To Mars Aboard NASA’s MAVEN Spacecraft The Inquisitr

NASA will launch more than 1,100 haiku to Mars aboard the MAVEN spacecraft later this year. The haiku are part of a contest that was sponsored by the University of Colorado and aimed at getting the public more interest in space.
Contestants were asked to “submit haiku poetry relating to NASA’s upcoming MAVEN mission to Mars,” per the university’s website. The MAVEN mission, which launches in November, is setting out to find out why the Red Planet lost its protective atmosphere, reports Discovery News. Scientists generally believe that Mars was once much like Earth. However, something happened to turn it from a lush, water world into a dry, cold desert.

August 5th, 2013

Curiosity’s Hard-Working Year on Mars Pays Off With Amazing Scientific Discoveries Wired

NASA’s Curiosity rover is a gigantic mobile laboratory. During the last year, it has roved over the Martian surface exploring a small section of Gale crater while making huge scientific discoveries.
The rover was built as a data-generating machine. You put rocks, air, and samples in and you get science out. Specifically, Curiosity is searching for signs of ancient habitability and seeking to answer an important question: Could Mars have ever had living organisms crawling over its surface?
Curiosity’s science team includes geologists, chemists, physicists, astrobiologists, and countless other researchers. Using the probe’s state-of-the-art equipment, they have drilled into Martian rocks, fired lasers and X-rays, baked powdered soil for analysis, and sniffed the atmosphere. Many of these activities had never been done on the Red Planet, or any planet beyond Earth, before. The data received from Curiosity has bolstered the idea that the planet once had water flowing over its surface and was a place where life could have conceivably thrived. It will take many more months and years of exploring to completely tease out all the details but the rover has already exceeded the expectations of its original designers.

August 1st, 2013

Happy New Mars Year! The Planetary Society

They’re too far apart to have a party, but today Curiosity and Opportunity could have rung in the New Mars Year. Today Mars reached a solar longitude of zero degrees and the Sun crossed Mars’ equator, heralding the arrival of spring in the northern hemisphere and autumn in the southern hemisphere. This is the date that Martian climatologists have identified as the zero-point for Mars’ calendar. Mars Year 31 was a good one, with Opportunity active at the rim of Endeavour crater and Curiosity arriving at Gale. Mars Year 32 should be even better, as Opportunity rolls up Solander point and maybe even Cape Tribulation, and Curiosity should explore the rocks in the mountain that drew her to Gale in the first place. And there’ll be two orbiters arriving (we hope). MAVEN and the Mars Orbiter Mission’s capabilities should warm the hearts of the climatologists who care about how one Mars year differs from the next enough to need to make up a calendar to mark their passage!

July 26th, 2013

Think our weather’s zany? Try Mars and its daily 123° swings KOMO News

If the warm days of summer have you pining for some cooler weather, perhaps a trip to Mars is in order.
Sure, you’d need to build a spaceship, ask your boss for about 2 years off from work, and solve that whole “Mars has no oxygen, water, or Starbucks (yet)” issue but if you could get there, it would definitely be colder than a Seattle summer.
Tony Rice, a fellow weather blogger and volunteer with the NASA/JPL Solar System Ambassador program, maintains the @MarsWxReport Twitter feed, which gives the current weather once a Martian day (40 minutes longer than an Earth day) from the Mars rover Curiosity.
What we find is that Mars is a cold place that has some radical changes in temperature between day and night, when it gets really, really cold.

June 27th, 2013

Mars had oxygen-rich atmosphere 4000m years ago University of Oxford

Differences between Martian meteorites and rocks examined by a NASA rover can be explained if Mars had an oxygen-rich atmosphere 4000 million years ago – well before the rise of atmospheric oxygen on Earth 2500m years ago.
Scientists from Oxford University investigated the compositions of Martian meteorites found on Earth and data from NASA’s ‘Spirit’ rover that examined surface rocks in the Gusev crater on Mars. The fact that the surface rocks are five times richer in nickel than the meteorites was puzzling and had cast doubt on whether the meteorites are typical volcanic products of the red planet.

June 14th, 2013

In Hawaii, as on Mars, Lava Tubes Hide Secrets Beneath the Surface Discover

Thanks to satellite imagery, we now know that both Mars and the moon also have lava tubes and skylights. These caves and holes likely formed the same way they do on Earth.
As a channel of molten lava flows, its top layer, exposed to air, cools and forms a crust. Below, the hotter lava continues to course until it empties out, leaving behind a tube-like cave. Skylights form when parts of the lava tube ceiling collapse. Sometimes these ceilings crumble and completely block access to the cave. Other times, they fall away clean, leaving pits with dangerous, potentially unstable overhangs. But once in a while, the rocks fall in such a way to give unfettered access to a lava-carved tunnel.

June 11th, 2013

Marks on martian dunes may be tracks of dry-ice sleds Phys.org

NASA research indicates hunks of frozen carbon dioxide—dry ice—may glide down some Martian sand dunes on cushions of gas similar to miniature hovercraft, plowing furrows as they go. Researchers deduced this process could explain one enigmatic class of gullies seen on Martian sand dunes by examining images from NASA’s Mars Reconnaissance Orbiter (MRO) and performing experiments on sand dunes in Utah and California.
“I have always dreamed of going to Mars,” said Serina Diniega, a planetary scientist at NASA’s Jet Propulsion Laboratory in Pasadena, Calif., and lead author of a report published online by the journal Icarus. “Now I dream of snowboarding down a Martian sand dune on a block of dry ice.”

March 28th, 2013

Why a Mars Comet Impact Would be Awesome Discovery News

When Jupiter’s tides ripped Comet Shoemaker–Levy 9 to shreds, only for the icy chunks to succumb to the intense Jovian gravity, ultimately slamming into the gas giant’s atmosphere, mankind was treated to a rare cosmic spectacle (in human timescales at least). That was the first time in modern history that we saw a comet do battle with a planet… and lose.
But next year, astronomers think there’s a chance — albeit a small one — of a neighboring planet getting punched by an icy interplanetary interloper. However, this planet doesn’t have a generously thick atmosphere to soften the blow. Rather than causing bruises in a dense, molecular hydrogen atmosphere, this comet will pass through the atmosphere like it wasn’t even there and hit the planetary surface like a cosmic pile-driver, ripping into the crust.
What’s more, we’d have robotic eyes on the ground and in orbit should the worst happen.

December 17th, 2012

Mars Astronauts Likely to Witness 1 Megaton Asteroid Impacts MIT Technology Review

Asteroid impacts are among the most feared of natural catastrophes. So estimating the risk they pose to humanity is an important task.
One method is to look at the number of impacts in the past and use this as a guide to the future. This isn’t entirely straightforward since the distribution of crater sizes we see today depends not only on the rate of impact in the past but also on the rate of disappearance via processes such as erosion, tectonic changes, obliteration by other craters and so on.
Nevertheless, various groups have measured the distribution of crater sizes and come up with estimates of future impact probabilities.
Today. William Bruckman and pals at the University of Puerto Rico at Humacao do exactly this kind of analysis but with a twist. They derive impact probabilities for Earth but also for Mars. Their conclusion is that astronauts visiting Mars for just a few years are likely to witness a significant asteroid impact.

November 6th, 2012

Monte Vista classroom contributing to Mars Student Imaging Program East Valley Tribune

Christine Hartland’s gifted/self-contained classroom of fifth-graders has been working on a hypothesis about global warming on Mars since the school year began.
As the only class at Kyrene Monte Vista Elementary, and likely the district, in the Mars Student Imaging Program, the students have been doing work that is usually reserved for high school students.
The class came up with their own questions, narrowed them down to one, and began working on collecting real data about pit-like surface holes on Mars’ ground.

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