Is The Odd Spot on Titan Proof Of…

The Spot

Scientists have discovered a large hot area on the surface of Titian, a moon of Saturn.

The spot, approximately the size and shape of West Virginia, is just southeast of the bright region called Xanadu and is visible to multiple instruments on the Cassini spacecraft.
The 483-kilometer-wide (300-mile) region may be a “hot” spot — an area possibly warmed by a recent asteroid impact or by a mixture of water ice and ammonia from a warm interior, oozing out of an ice volcano onto colder surrounding terrain. Other possibilities for the unusual bright spot include landscape features holding clouds in place or unusual materials on the surface.

Could it be a strange new form of geological action? Could this be the proof that there may be life on this distant moon? How soon will the crack pot fringe loonies jump on this one? Only time will tell, and when it does I’ll be there…

Odd Spot on Titan Baffles Scientists
NASA, space, Titian, loonies, hot spot

Hot Probe On Probe Action

Look sir, probes

Too cool! I love space stuff.

Photographs from NASA’s Mars Global Surveyor spacecraft released today are the first pictures ever taken of a spacecraft orbiting a foreign planet by another spacecraft orbiting that planet.

The new images of the European Space Agency’s Mars Express and NASA’s Mars Odyssey are available on the Internet from NASA at http://www.nasa.gov/vision/universe/solarsystem/mgs-images.html and from Malin Space Science Systems, the San Diego company that built and operates the camera, at http://www.msss.com/mars_images/moc/2005/05/19/index.html .

Mars Global Surveyor has been orbiting Mars since 1997, Mars Odyssey since 2001. Both are managed for NASA by the Jet Propulsion Laboratory, a division of the California Institute of Technology in Pasadena, Calif. Mars Express has been in orbit since late 2003.

Mars Express was passing about 155 miles away when the Mars Orbiter Camera on Mars Global Surveyor photographed it on April 20. The next day, the camera caught Mars Odyssey passing 56 to 84 miles away.

All three spacecraft are moving at almost 7,000 miles per hour, and at 62 miles distance the field-of-view of the Mars Orbiter Camera is only 830 yards across. If timing had been off by only a few seconds, the images would have been blank.

Mars Global Surveyor MOC2-1096 Release
mars, NASA, orbiter, probe

Scientific Paper Toys

DNASpectrum Snail

Here are some more paper toys you can build. The Spectrum Snail is very cool. If your a science teacher or have kids and you want to give them a simple demo of how white light is made up of differnt colors, this would be pretty nifty. The paper DNA is also very cool. Cerative use of old PET plastic bottles too!

CD Spectrum Snail – Spectrascope made out of a CD and paper
Paper DNA Model

Japan, paper, DIY, science

Amazing Space Shuttle Photos

SST

Mummm…. Space Shuttle photos taken with a Nikon D2X. I love a camera with good dynamic range!

The D2X is sweet. Thanks to Nikon and (Palo Alto’s) Keeble & Schuchat, mine arrived in time for last week’s trip to NASA’s Kennedy Space Center to photograph the roll out of space shuttle Discovery from the VAB to the launch pad. Tiny web-sized images do not do the camera justice, but the 11″x17″ prints that I have here are testament to the great capability of the camera to record detail in scenes requiring variously: high dynamic range and long exposures at low light levels. Here are a few examples…

D2X at NASA KSC: Nikon D100/D1/D2 Forum: Digital Photography Review

shuttle, nikon, D2X, digital

Table Top Experement Produces Neutrons!

Neutron Flux Diagram

Physicists in the US have generated nuclear fusion in a simple, table-top device operating at room temperature. The device, built by Brian Naranjo, Jim Gimzewski and Seth Putterman at the University of California at Los Angeles (UCLA), causes two deuterium nuclei to collide with each other and generate alpha particles, neutrons and energy (Nature 434 1115). The device could have applications as a portable neutron generator or in the propulsion systems for miniature spacecraft, but will not be useful as an energy source because it consumes more energy than it produces.
The experimental set-up consists of a centimetre-sized cylindrical crystal of lithium tantalate (LiTaO) surrounded by deuterium gas. This material is pryoelectric, which means that positive and negative charges build up on opposite faces of the crystal when it is heated. This creates an electric field that is high enough to ionize any deuterium atoms that stray near a tiny tungsten tip attached to the positively charged surface. These deuterium ions get repelled from the surface and are accelerated by the field towards an erbium deuteride target, where the fusion reactions take place.

Fusion seen in table-top experiment
Video and Images
fusion, nuclear, technology