Universe Today

Moon Has a Sodium Tail

Astronomers have discovered a sodium-gas “tail” that stretches away from the moon for at least half a million miles. Unsure exactly what’s causing this tail, astronomers theorize that it might be caused micrometeorites striking the moon, with the sodium pulled into the tail by the Earth’s gravity.

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Computer Programmed to Detect Alien Life

NASA is developing a computer program which they believe will assist the search for extraterrestrial life. Designed to recognize every variant of microbial life on Earth, the program would be incorporated into future missions to Mars, such as a rover that searches for life by cracking open rocks.

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Recent Solar Ejection Worried Astronomers

For a few hours last Tuesday, astronomers didn’t know if a massive coronal ejection, containing superheated plasma, would strike the Earth. After first witnessing the ejection, astronomers used the Internet to compare current images of the sun from around the world and decided that a worldwide alert wasn’t necessary.

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WIRE Failure Caused by Power Glitch

An investigation into the failure of the Wide-Field Infrared Explorer (WIRE) satellite has concluded that a surge in a circuit led to the failure of the satellite. When the satellite was turned on, the surge caused it to prematurely blow the bolts on a sunscreen which protected a hydrogen tank. The unprotected hydrogen sublimated, spinning the satellite out of control.

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Discovery Returns Safely to Earth

Space Shuttle Discovery touched down early Sunday morning at the Kennedy Space Center in a rare night landing – only the 11th time a space shuttle landed in darkness. The total mission length was 10 days and consisted primarily of restocking the International Space Station.

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3-D Images Reveal Moon’s South Pole

Using the NASA’s Deep Space Network of radar antennas, Cornell and JPL researchers have revealed the moon’s southern pole. Many craters near the pole are never lit by the sun, and it’s theorized they contain frozen water ice which could be of use to future moon colonists. This area will be the target for the Lunar Prospector’s final impact with the moon.

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Shuttle Releases Disco Ball Satellite

Before its descent back to earth, Space Shuttle Discovery released the Starshine, a small ball covered with 900 highly-polished mirrors. 25,000 schools around the world are expected to track the Starshine’s orbit before it re-enters the atmosphere and burns up eight months from now.

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Russia Can’t Afford Safe Landing for Mir

Now that Russia has announced they won’t be able to afford to keep Mir aloft, officials have admitted they don’t even have enough money to ensure it doesn’t hit an uninhabited part of the Earth when it crashes. Controlling the descent would require several Progress cargo ships dock with Mir and guide the station with their engines.

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Europa Probably Doesn’t Have Life

Although it’s been speculated that Jupiter’s moon Europa could sustain life, new evidence casts suspicion on the possibility. This is due to the fact that the planet is most likely covered by a 6 mile thick ice sheet which would smother all light that could reach the oceans beneath.

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Discovery Leaves Space Station

After three days loading cargo onto the International Space Station, the Space Shuttle Discovery completed its mission and disengaged from the station. The crew unloaded 3.5 tons of cargo onto the new station, which won’t see permanent residents until the Russian crew module launches later this year.

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Columbia Prepared for Chandra Launch

As Discovery prepares for landing, Space Shuttle Columbia is readied for its launch this summer – beginning with the attachment of the fuel tank and boosters. The main purpose of this mission is to launch the Chandra X-ray Telescope. The shuttle launch is planned for August 8th, but is hoping it can get an earlier date depending on launch facility availability.

Astronomy Now

Lunar Prospector’s Deliberate Crash Planned

NASA officials have confirmed that the Lunar Prospector, currently circling the moon, will be crash-landed in the hopes of discovering water on the lunar surface. Weighing as much as a car, and traveling at 1,100 mph, they hope by colliding the spacecraft into the moon, it will kick as much as 40 pounds of water vapour into space – detectable by Earth instruments.

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Roton Tests Delayed

Although ground tests of the Roton Atmospheric Test Vehicle have been carried out, a full air test flight of the rocket is behind schedule. Originally planned for only a few weeks after its announcement ceremony on March 1st, it’s already been 3 months of delays – there’ll likely be more.

Space Daily

Eta Carinae Grows Unusually Bright

Once one of the brightest stars in the night sky of the Southern hemisphere, Eta Carinae has been releasing an increasing amount of energy – now twice as much as it did 20 years ago. The star is over 100 times the size of our sun, and relatively close to our solar system – only 7,500 light years. Strangely, astronomers have no explanation why this energy increase is happening.

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Elongated Asteroids Could Be Weaker

Nothing more that a loose collection of rocks held together by gravity, elongated asteroids are believed to be much weaker than spherical asteroids. Light impacts or gravitational effects can pull these asteroids apart. This theory also helps explain how asteroids can have moons.

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Io May Contain High Concentrations of Salt

Astronomers have discovered large concentrations of chlorine in the atmosphere of Io – higher concentrations than anywhere else in the solar system. It’s believed this chlorine, spewed into the atmosphere by huge volcanoes, forms into common table salt on the surface of the planet.

Space Daily

Mir Will Finally Be Shut Down

Unable the find the additional funding they need, Russian officials have decided to scrap Mir. The current cosmonauts will leave the station for the last time in August, and it will remain unattended as its orbit decays into the atmosphere, finally burning up sometime in August.

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Sun’s Orbit Around the Galaxy Calculated

Using a precise radio telescope, astronomers have calculated exactly how long it takes for the sun to make one revolution around the Milky Way: 226 million years. Last time the sun was in this position, dinosaurs roamed the planet. To make their calculations, astronomers used Sagitarius A*, a star believed to be exactly at the center of the galaxy.

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Hubble Captures Entire Star Lifecycle

Recent photographs from the Hubble Space Telescope show a region of space that displays all stages of star evolution. The image is of the nebula NCG 3603, and it contains a blue supergiant star called Sher 25 surrounded by rings of interstellar gas.

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Earth Microbes Survive in Mars Conditions

A microbe discovered deep in the ocean near hot vents has been found to be able to thrive in Martian conditions – an environment hostile to almost every kind of life on Earth. The bacteria doesn’t require oxygen, but converts hydrogen and nitrogen into methane gas. Not only does this discovery raise hopes of finding life on Mars, but also of future techniques to make Mars more Earthlike, by introducing life to the planet.

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Shuttle Astronauts Visit Space Station

As part of their mission, astronauts from the Space Shuttle began their supply mission to the International Space Station by checking out their future home. Although it’s noisy and cold, the ISS already feels like home. The astronauts will spend the next 3 days transferring their cargo over.

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Increased Solar Storms Could Be a Threat in Year 2000

Researchers are forecasting that 2000 will be at the height of the sun’s 11-year solar cycle – a time when it’s most active with solar flares. This increase solar activity could cause a range of problems, from interference with satellite transmission to endangering astronaut’s spacewalks.

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New Class of Brown Dwarf Discovered

Astronomers have discovered what they believe is a new class of star, which they’re calling methane brown dwarves. Approximately 10 to 80 times the size of Jupiter, the stars are too small to have the nuclear reactions that make stars shine brightly.

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Amateur Rocketeers Fight for Space Prize

The Space Frontier Foundation is offering $250,000 to the first amateur rocket group that can get a payload of 4.4 pounds into space (124 miles). Many groups are vying for the prize, and they’re using many innovative methods to get there, including launches from balloons.

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Evidence of Possible Oceans on Mars

Recent maps of the Red Planet taken by the Mars Global Surveyor have found possible evidence of oceans, that could have covered the planet in the past. This evidence includes what seems to be the shorelines of two dried up oceans.

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Shuttle Docks with Space Station

It took some tricky piloting, but Space Shuttle commander Kent Rominger successfully hooked up the spacecraft with the International Space Station. Although the Space Shuttle has docked with Mir many times in the past, it was the first docking with a US space station since Skylab.

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Chandra Preparations Resume

After being on hold while the Air Force investigates a string of misfired rockets, preparations to launch the Chandra X-Ray Observatory have resumed. Chandra is to use the same Inertial Upper Stage rocket as those responsible for misplace Air Force satellites – NASA is cautious, but still moving forward.

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British Businessman was too Tall to Fly on Mir

A recent report from the Russian Space Agency has quelled the rumors of why British businessman Peter Llewellyn won’t be flying up to Mir. It turns out he’s too tall (6’3″), and won’t fit on the spacecraft. Although he could fit in the commander’s seat, it would put the rest of the crew at risk.

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Global Surveyor Builds Mars Map

Still orbiting the Red Planet, Mars Global Surveyor has been busy providing data for a three-dimensional map of the surface. This new topological map will show the altitude of every point on Mars to an accuracy of 42 feet.

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Discovery Launch Successful

After a six month launch hiatus, the Space Shuttle Discovery roared into the sky from Cape Canaveral yesterday. This will be the first of 4 missions planned for this year, and is primarily focused on stocking the International Space Station with supplies. Discovery will return in 10 days.

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British Businessman Backs Down from Mir Trip

Originally planning to make a trip to Mir to help raise funds for a Russian hospital, British businessman Peter Llewellyn will not be going. The Russian space agency planning to train the new cosmonaut said he was declined because it appears that he won’t be providing the $100 million that the agency was expecting.

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Message Sent to the Stars

A commercial group has successfully beamed an international signal from a radio telescope in the Southern Ukraine. Aimed a four nearby star systems, the message included a rebroadcast of an original message sent 25 years ago, a “Rosetta Stone”, containing images and mathematical proofs, as well as messages from 50,000 paying participants.

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Indian Rocket Launch Successful

India’s Polar Satellite Launch Vehicle successfully lifted off from Sriharikota, an island off the coast of India on Wednesday. Although this was the 4th successful launch of the PSLV rocket, this was India’s first successful commercial launch, as two of the satellites it placed into orbit were from Germany and South Korea.

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China Continues Preparations for Manned Space Flight

Planned to coincide with the 50th anniversary of the communist republic, China hopes make its first manned space flight before October 1st. This would make China the third country capable of independently launching humans into orbit. This announcement comes on the heels of allegations that Chinese stole rocketry science from the US.

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Space Exploration Conference Begins in Houston

The 18th Annual International Space Development Conference began in Houston on Thursday to discuss the current and future state of the space exploration industry. More than 100 personalities in the space industry will speak at the conference including Buzz Aldrin, Robert Zubrin, and Babylon 5’s Bruce Boxleitner.

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Universe Could Be Younger Than Previously Thought

The age of the universe has been adjusted to 13.4 billion years according to recent calculations by Australian astronomer Charles Lineweaver – a decrease of 1.6 billion years from previous estimates.

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Discovery Mission Will Stock Space Station
One of the key objectives of the upcoming Space Shuttle Discovery mission will be to stock the International Space Station with nearly two tons of supplies. The Space Shuttle will reach the ISS two days after launch, and begin unloading supplies.

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Amateur Rocket Breaks Record
A rocket launched by amateur group JP Aerospace broke a new altitude record on Sunday when it reached a total altitude of 72,223 feet. Although this was a new record, they didn’t reach their goal of crossing the threshold of space (60 miles), mainly because the balloon that the rocket was to launch from didn’t reach its maximum altitude.

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Meteors Won’t Be a Threat to Satellites
A treat for backyard astronomers, this year’s above-average Leonid meteor shower was a brief concern for space officials, due to possible impact with satellites. However, as the 1998 shower, which was also high, and had no effect on satellites, officials have reduced the risk of this threat.

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