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astronomy & space stuff

linuxgeek said:
I expect it would be a bright light. How long it lasts and how large the sphere gets should depend on how much material there is to fision or fussion.
Click to expand...

I like that...fision or fussion. Fision displaying the pre-split s of fission, and fussion the pre-fused s's. If you meant it this way, I bow to your awesomeness.
 
http://www.tboeckel.de/EFSF/efsf_ps/mc_naught/martin/neu/ani90er512-01.gif
I just found this .gif and thought it was cool. It's Comet McKnaught, C/2006 P1, observed in January of 2007 from southern Bavaria.
Click to expand...
It IS Cool! :nana:

http://science.ksc.nasa.gov/shuttle/countdown/video/chan2large.jpg

http://www.nasa.gov/mission_pages/shuttle/main/index.html

http://www******.com/php/video/player.php?video_id=080528-phoenix-speaks

http://a52.g.akamaitech.net/f/52/827/1d/www.space.com/images/080605-phoenix-silicone-02.jpg
This mosaic of four side-by-side microscope images (one a color composite) was acquired by the Optical Microscope, a part of the Microscopy, Electrochemistry, and Conductivity Analyzer (MECA) instrument suite on NASA's Phoenix Mars Lander. Taken on June 3, 2008, the image shows a 3 millimeter (0.12 inch) diameter silicone target after it has been exposed to dust kicked up by the landing. Credit: NASA/JPL-Caltech/University of Arizona

http://www******.com/missionlaunches/080605-phoenix-update.html
 
"Work, work, work, work" :nana:

http://www.nasa.gov/images/content/240306main_SS011EFF897193286_11BEEL1M1-scoop-bright-adj_516-387.jpg
June 06, 2008 NASA's Phoenix Mars Lander made its first dig into Martian soil for science studies and is poised to deliver the scoopful to a laboratory instrument on the lander deck.

The instrument will bake and sniff the soil to assess its volatile ingredients, such as water.
http://a52.g.akamaitech.net/f/52/827/1d/www.space.com/images/080606-phoenix-dump-02.jpg

http://www.nasa.gov/mission_pages/phoenix/main/index.html
http://fawkes3.lpl.arizona.edu/images.php?gID=0&cID=8
http://phoenix.lpl.arizona.edu/
 
Why can't they just admit the arctic soil is frozen?

Fucking Eggheads! :rolleyes:

Scientists ran into a snag when trying to deliver a sample of Martian arctic soil to one of the instruments on NASA's Phoenix Mars Lander, mission controllers said on Saturday.

The lander's robotic arm released a handful of clumpy Martian soil onto a screened opening of the Thermal and Evolved-Gas Analyzer (TEGA) on Friday, but the instrument did not confirm that any of the sample passed through the screen.

Images taken on Friday show soil resting on the screen over an open sample-delivery door of TEGA, which is designed to heat up soil samples and analyze the vapors they give off to determine the soil's composition.

The researchers have not yet determined why none of the sample appears to have gotten past the screen, but they have begun proposing possibilities.

"I think it's the cloddiness of the soil and not having enough fine granular material," said Ray Arvidson of Washington University in St. Louis.

http://a52.g.akamaitech.net/f/52/827/1d/www.space.com/images/080607-phoenix-soilstuffed-02.jpg
http://a52.g.akamaitech.net/f/52/827/1d/www.space.com/images/080607-phoenix-soilcol-02.jpg
 
The Shuttle departed the ISS today for a Saturday landing at KSC.

http://www.nasa.gov/images/content/234826main_124_flyaround_shuttle.jpg
http://www.nasa.gov/images/content/234826main_shuttle_420x317.jpg
http://www.nasa.gov/images/content/160328main_124_flyaround_station.jpg
http://science.ksc.nasa.gov/shuttle/countdown/video/chan2large.jpg

http://www.nasa.gov/mission_pages/shuttle/main/index.html
http://www.nasa.gov/mission_pages/station/main/index.html

They're flying a few minutes apart and if your sky is clear you can see them fly over together using this sightings site.
http://spaceflight.nasa.gov/realdata/sightings/

STS 124's SRB life from takeoff to splashdown-
http://www******.com/php/video/player.php?video_id=080610-srb-cam
 
Over a year ago..a Alien machine?

Did they ever solve the hexagon on Saturn??

One of the most bizarre weather patterns known has been photographed at Saturn, where astronomers have spotted a huge, six-sided feature circling the north pole.

Rather than the normally sinuous cloud structures seen on all planets that have atmospheres, this thing is a hexagon.

The honeycomb-like feature has been seen before. NASA's Voyager 1 and 2 spacecraft imaged it more than two decades ago. Now, having spotted it with the Cassini spacecraft, scientists conclude it is a long-lasting oddity.

The hexagon is nearly 15,000 miles (25,000 kilometers) across. Nearly four Earths could fit inside it. The thermal imagery shows the hexagon extends about 60 miles (100 kilometers) down into the clouds.

http://www******.com/scienceastronomy/070327_saturn_hex.html
http://a52.g.akamaitech.net/f/52/827/1d/www.space.com/images/070327_saturn_hex_02.jpg
 
NASA's newest space telescope aimed at glimpsing the unexplored universe blasted into space Wednesday morning.

The Gamma-ray Large Area Telescope (GLAST), lifted off atop a Delta 2 rocket from Florida's Cape Canaveral Air Force Station at 12:05 p.m. EDT (1605 GMT). The launch was delayed by about 20 minutes due to a long-range tracking glitch. Now the nearly five-ton observatory is headed for an orbit about 345 miles (555 km) above Earth.

GLAST includes two main telescopes designed to scan the sky in gamma-ray light - the most energetic region of the electromagnetic spectrum, far beyond the visible range of the human eye.

Scientists hope the telescope will help solve some of most befuddling cosmic mysteries, such as the nature of dark matter, the workings of black holes, and the mechanics of lighthouse-like spinning pulsars.

Since GLAST will open up a window on a previously unexplored energy range in the universe, it will truly be venturing into uncharted territory.

http://www******.com/missionlaunches/080611-glast-launch.html

http://a52.g.akamaitech.net/f/52/827/1d/www.space.com/images/080611-glast-launch-02.jpg
 
Keeping the eye on the prize-

NASA's new spacesuit will come in two versions that protect future astronauts on the surface of the moon, as well as during travel to and from the International Space Station.

The initial $183.8 million spacesuit contract to design, develop, and test the new spacesuit through September 2014 was awarded to Oceaneering International Inc. of Houston, Texas, the agency announced Thursday.

"We're ready to put them to work and put boot prints back on the moon," said Glenn Lutz, project manager for the Constellation Spacesuit System at NASA's Johnson Space Center in Houston in a teleconference.

One version of the Constellation spacesuit will outfit as many as six astronauts traveling up to the space station in the Orion spacecraft, the capsule-based successor to NASA's three space shuttles after their planned 2010 retirement. Astronauts can then reconfigure parts of their suit around a second version's torso, which is specifically designed for providing more mobility on the moon, before climbing into an Altair lander to head to the lunar surface. The overall suit design is aimed at protecting against abrasive lunar dust, not to mention micrometeorites for emergency spacewalk activities.

http://a52.g.akamaitech.net/f/52/827/1d/www.space.com/images/080613-spacesuit-one-02.jpg
http://a52.g.akamaitech.net/f/52/827/1d/www.space.com/images/080613-spacesuit-second-02.jpg
 
Planet X???????

An icy, unknown world might lurk in the distant reaches of our solar system beyond the orbit of Pluto, according to a new computer model.

The hidden world -- thought to be much bigger than Pluto based on the model -- could explain unusual features of the Kuiper Belt, a region of space beyond Neptune littered with icy and rocky bodies. Its existence would satisfy the long-held hopes and hypotheses for a "Planet X" envisioned by scientists and sci-fi buffs alike.

"Although the search for a distant planet in the solar system is old, it is far from over," said study team member Patryk Lykawka of Kobe University in Japan.

The model, created by Lykawka and Kobe University colleague Tadashi Mukai, is detailed in a recent issue of Astrophysical Journal.

If the new world is confirmed, it would not be technically a planet. Under a controversial new definition adopted by the International Astronomical Union (IAU) last week, it would instead be the largest known "plutoid."

http://www******.com/scienceastronomy/080618-planet-x.html

http://a52.g.akamaitech.net/f/52/827/1d/www.space.com/images/080618-sedna-art-02.jpg
 
A trio of planets called super-Earths has been spotted orbiting a sun-like star, astrophysicists announced today at an international conference in France.

Super-Earths are more massive than Earth but less massive than Uranus and Neptune. Spotting true Earth-sized planets is challenging with current technology, but the presence of super-Earths suggests finding a world like ours is just a matter of time, researchers say.

The team located the trio with the HARPS instrument on the European Southern Observatory's 3.6-meter telescope at La Silla, Chile. They inferred the existence of the planets by noting the worlds' gravitational affects on the parent star's orbit. This method is called the radial velocity, or wobble, technique.

In addition, HARPS astronomers have tallied about 45 new candidate planets with a mass below 30 Earth masses and an orbital period shorter than 50 days. The researchers say the deluge implies one out of every three sun-like stars harbors such planets.

The trio's host star, HD 40307, is slightly less massive than the sun, and is located 42 light-years away, toward the southern Doradus and Pictor constellations. (A light-year is the distance light travels in one year, or about 5.88 trillion miles — 9.46 trillion kilometers.)

http://www******.com/scienceastronomy/080616-super-earths.html

http://a52.g.akamaitech.net/f/52/827/1d/www.space.com/images/080616-trio-planets-02.jpg
 
G.p.s.

In bad weather, it can be hard to tell where you are. It turns out that your GPS unit may not be entirely sure, either, if the weather in space is bad.

It is now known that space weather -- specifically electrical disturbances in our planet's ionosphere -- can throw off the accuracy of GPS units appreciably. Scientists are working to remedy the situation.

The ionosphere is the layer of the atmosphere extending upward from a height of about 60 miles. Its tenuous gas is electrically charged enough to affect radio signals.

GPS units calculate their locations by analyzing signals from a dedicated group of satellites, but those signals can be delayed or distorted while passing through the ionosphere, explained Anthea Coster, an atmospheric scientist at MIT. If there's no sunspot activity, the average inaccuracy is about 16 feet (5 meters) for civilian handheld or car GPS units that only use one radio frequency. (Fancier versions use two frequencies, which can cancel out many inaccuracies.)

During sunspot activity, the inaccuracy can exceed 32 yards (30 meters).

"People think the problem has been solved, but they have been lulled because the 11-year sunspot cycle is currently at its minimum," she told SPACE.com. "That will change in about four years." Excited by sunspots, the ionosphere has been known to produce "fingers" of heavy ionization nearly 150 miles wide extending from Florida across Canada to the North Pole, she said.

http://www******.com/businesstechnology/080618-tw-gps-space-weather.html

http://sohowww.nascom.nasa.gov/data/realtime/mdi_igr/512/latest.jpg
 
So, it's official...

Planet hunters say it's just a matter of time before they lasso Earth's twin, which almost surely is hiding somewhere in our star-studded galaxy.

Momentum is building: Just last week, astronomers announced they had discovered three super-Earths — worlds more massive than ours but small enough to most likely be rocky — orbiting a single star. And dozens of other worlds suspected of having masses in that same range were found around other stars.

"Being able to find three Earth-mass planets around a single star really makes the point that not only may many stars have one Earth, but they may very well have a couple of Earths," said Alan Boss, a planet formation theorist at the Carnegie Institution of Washington in Washington, D.C.

http://www******.com/scienceastronomy/080624-st-planet-tally.html
http://www******.com/scienceastronomy/sedna_earth_040316.html

http://researchpark.arc.nasa.gov/lecture%20series/images/Earth.jpg
 
Ho-hum, drinkable water on Mars...

A historic chemistry test of Mars' arctic surface suggests the red planet is capable of supporting plants and microscopic life, though scientists with the UA-led Phoenix Mars lander were careful to qualify their initial findings Thursday.

At the least, though, the test shows that Mars' arctic dirt is a lot like fertile soil in people's backyards and could be well-suited to grow such vegetables as asparagus.

Calling it the first-ever wet chemistry test of another planet's surface, elated mission scientists said initial findings indicate the soil has the ingredients necessary for plant growth.

The soil around the spacecraft has relatively low acidity and contains several plant-nourishing minerals, including magnesium, sodium and potassium, according to test results.

http://www.azstarnet.com/metro/245730

http://www.brandelectronics.com/images/mars.jpg
 
Number 1500!

The SOHO spacecraft discovered its 1,500th comet this week, making the observatory the most successful comet detector.

The NASA/ESA Solar and Heliospheric Observatory made its historic discovery on June 25, thanks to U.S.-based amateur astronomer Rob Matson. That puts SOHO's count ahead of all other discoverers of comets throughout history combined.

http://www******.com/missionlaunches/080627-soho-comet-discovery.html

http://a52.g.akamaitech.net/f/52/827/1d/www.space.com/images/080627-soho-comet-02.jpg
 
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