Hubble Catches Pluto Changing Color

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Could it be revenge for being demoted to “dwarf planet” status in 2006? New Hubble Space Telescope photos show that Pluto has turned redder–as if it were angry–and its ice sheets are also shifting around, according to the Associated Press.

In recent photos, Pluto is turning up significantly redder than it has during the past several decades. It still looks vaguely yellow-orange, but astronomers claim there is about 20 percent more red pigment in there than there was before, the report said. This is despite the fact that a “season” lasts 120 years in some regions of the planet.

Multiple Tweetups Planned for Solar Dynamics Observatory Launch

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Next Monday and Tuesday, I’ll be in Cape Canaveral as a Twitter correspondent for a two-day event culminating with the launch (if all stays on schedule) of the Solar Dynamics Observatory (SDO). I was one of 15 lucky people chosen at random, according to NASA, from a pool of applicants to attend and tweet about SDO’s launch. Fifty other twitter-folk were chosen for a simultaneous two-day tweetup at the Goddard Space Flight Center in Maryland, where SDO was designed and assembled, and from where it will be managed after its launch.

On the day of the launch, several dozen schools, astronomy clubs, and individuals are hosting their own SDO events, with NASA’s support, encouragement, and educational materials. Although most are in the U.S., these tweetups will span the globe, with events scheduled in at least five continents.

The Solar Dynamics Observatory (SDO)
is scheduled to be launched from the Kennedy Space Center’s Launch
Complex 41 at around 11 a.m. February 9 atop an Atlas V rocket. It will
be placed in a geosynchronous orbit, where it will be prepped to begin
its nominal 5-year mission to study the sun.

NASA and GM Create Humanoid Robot

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The impending robot takeover gets closer: NASA and GM have developed and built Robonaut 2, a second generation humanoid robot that is faster, more dexterous, and more technologically advanced than before. Both companies said that the new robot can use its hands to do work, and even work safely alongside people. OR SO THEY SAY.

“This cutting-edge robotics technology holds great promise, not only for NASA, but also for the nation,” said Doug Cooke, associate administrator for the Exploration Systems Mission Directorate at NASA Headquarters in Washington, in a statement. “I’m very excited about the new opportunities for human and robotic exploration these versatile robots provide across a wide range of applications.”

NASA and GM hope their robotics partnership–through a Space Act Agreement at the agency’s Johnson Space Center in Houston–will lead to advanced safety systems for future vehicles, improved safety and efficiency in manufacturing plants, and in space, the ability to aid astronauts during hazardous missions. I’m not scared at all.

Was All That Debris an Asteroid Collision?

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Last month, the Hubble Space Telescope imaged a mysterious X-shaped debris pattern with a dust and gravel trail. NASA scientists now believe that the image showed the immediate aftermath of an extremely rare event, according to Popular Science: two small asteroids colliding.

The Lincoln Near-Earth Asteroid Research program first discovered the “object,” which is about 90 million miles from Earth (nearly the same distance away as the Sun). Hubble’s new Wide Field Camera 3 picked up the image, which scientists initially thought was a comet–except that the debris tail is much rougher than a comet’s usual smooth dust envelope, the report said.

If true, the asteroid crash occurred at about 11,000 miles per hour, or five times the speed of a rifle shot, according to researchers. Holy smokes. (Image credit: NASA)

NASA Ends Mars Rover Escape Attempts

NASA_Mars_Rover_Stuck_2.jpgNASA announced that it has abandoned efforts to free the stuck Spirit Mars Rover after a six-year journey on the red planet, Space.com reports. The rover had been stuck in soft Martian sand just underneath the surface for the past nine months.

The good news: the space agency isn’t abandoning the rover altogether. NASA engineers are now preparing Spirit to survive the winter in Mars’ southern hemisphere, the report said, after which the rover will take on the role of fixed science outpost.

“This is not a day to mourn Spirit. This is not a day of loss,” said Doug McCuistion, director of NASA’s Mars exploration program, in a teleconference. “Its driving days are likely over, however its contribution will continue.” Possible studies include the dirt around the rover, as well as a very interesting chance Rover’s radio signals could help scientists figure out if the core is molten by recording the planet’s motion.

The other Mars Rover, Opportunity, meanwhile, is doing just fine on the other side of the planet, and is currently heading toward Endeavor, a huge crater. (Image credit: NASA)

Photographing the Brightest Full Moon of 2010

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Tonight, as you may have heard, is the largest and brightest full moon of the year . This is thanks to the fact that the moon is near perigee, the closest point in its elliptical orbit to Earth. Tonight’s moon will be about 14 percent wider and 30 percent brighter than lesser full moons, according to Space.com. And you can’t miss the brilliant, reddish “star” near the Moon: It’s actually the planet Mars, which made its closest approach to Earth (60 million miles) in more than 2 years on Wednesday; it won’t be closer until 2014. Tonight it’s “at opposition,” opposite the sun in the sky and visible all night.

Taking a picture of the Moon can be a challenge. It’s difficult to get a good photo of even a normal full moon because its intense glare tends to wash out detail, especially in brighter areas of its surface. (At a full moon, the Earth is located between the sun and moon, and sunlight is reflected straight back at us, with no shadows to provide contrast.) How to counteract this depends on the type of camera you’re using.

Report: Obama to Axe Future Moon Missions

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The Obama Administration’s upcoming budget proposal, to be released on Monday, no longer contains money for NASA’s Constellation program or its upcoming Ares I rocket (pictured), which was supposed to replace the space shuttle, Popular Science reports.

As a result, the budget axes lunar landers, moon bases, and the Ares V cargo rocket, which was supposed to carry fuel and other supplies for American’s return to the moon’s surface. In short, Americans won’t be visiting the Moon again any time soon under the new proposals, the report said.

Instead, NASA would receive money to pursue a “heavy-lift” rocket that could carry humans and robots beyond low-earth orbit, but not until “some faraway, yet-to-be-determined date.” In addition, NASA would receive funding for climate change research, asteroid exploration, and inner solar system monitoring, plus a 2020 extension for the International Space Station, the report said. Stay tuned… (Image credit: NASA)

NASA Tweetup: Win a Spot at Space Shuttles Mission Control!

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Calling all space geeks (or more accurately, “space tweeps,” space geeks who use Twitter): NASA is giving you another chance to experience a Space Shuttle mission firsthand as Twitter correspondents–and registration starts today. This time the event is on February 17at the Johnson Space Center in Houston, where 100 lucky participants will be guests at Mission Control and other facilities during the flight of the Space Shuttle Endeavour (mission STS-130).

Registration starts today (Tuesday, January 26) at noon, Eastern Time, and will be open for one day. The hundred participants will be chosen randomly from among the registrants, with 50 more wait-listed in case the first selections can’t make it. I won’t be registering, but only because I’ll be attending Endeavour’s launch at Cape Canaveral on February 6 and participating in another NASA tweetup unrelated to the mission a few days later–I’ll let you know more as the time approaches.

Researchers: Acoustic Levitation Could Work on Mars

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Researchers may have figured out a way to dislodge dust particles from sensitive equipment on the Moon or Mars using sound waves.

Here’s how it works: by playing back a high-pitched (13.8 KHz, 128 dB) standing wave of sound from a 1.25-inch tweeter, and focusing it on a reflector several inches away, researchers from the Department of Physics and Materials Science Program found it was enough to dislodge dust particles on the reflector’s surface, according to Physorg.com.

Later, the researchers tested this acoustic levitation process, as it is called, on a solar panel that was reduced to just 10 percent of its original power output after being coated with fine dust. The process boosted output back to 98.4 percent of maximum, the report said.

This is especially important since dust particles on the Moon and on Mars are sharper and more abrasive than on Earth, thanks to the thinner atmosphere. The next step: figuring out how to make the process work when actually out in the thin atmosphere; right now it would only work inside a sealed space station. (Image credit: NASA/JPL)

NASA to Launch Solar Observatory

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NASA is gearing up to launch the Solar Dynamics Observatory (SDO), a space telescope optimized for taking detailed observations of the sun to learn more about its complex weather patterns.

Space.com reports that the $808 million spacecraft will launch February 9th at 10:36 AM EST from Cape Canaveral, Fla. on top of an Atlas V rocket.

The goal is to learn how the sun’s magnetic field, which fluctuates in activity levels in an 11-year cycle, emits periodic flares of charged particles that interfere with technology on our own planet (pictured), the report said.

“Our sun affects our life more and more as we come to depend more and more on technology,” said Dean Pesnell, SDO project scientist at NASA’s Goddard Space Flight Center in Greenbelt, Md., in a briefing to the press Thursday. (Image credit: NASA/STEREO)