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Universe Today

added: Thu, 06th April 2006 | 816 views | 2x in favourites
feed url: http://www.universetoday.com/universetoday.xml

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Space Station Evades Space Debris

The International Space Station had to perform an evasive maneuver yesterday to dodge space debris from a Russian satellite that disintegrated earlier this year. ESA's ATV (Automated Transfer Vehicle) was used to perform the avoidance maneuver, the first time it had been used for such a maneuver. A few things about this maneuver [...]

Still Mythbusting

It seems fitting that today's NASA "Image of the Day" is this wonderful image of the lunar lander from the Apollo 11 mission, the Eagle, on its way to land on the moon. Really, truthfully, can anyone really believe that a spectacular image like this can be fake? After last night's "Mythbusters" show [...]

Earth's Atmosphere is Leaking into Space

Oxygen is constantly leaking out of Earth’s atmosphere and into space. Measurements taken by satellites during the 1980s and 1990s showed the escaping ions were traveling faster the higher they were observed. This implied that some sort of acceleration mechanism was involved. Now, new work on data collected by a group [...]

NASA Security Badges are a Health and Safety Risk

Of all the things that could possibly go wrong for the US space agency, you wouldn't expect the security ID badge holder of NASA employees to rank very high on the list of "risks." Unfortunately, the new high-tech security badge holders recently issued to NASA employees have been identified as having a fairly problematic health [...]

Where In The Universe #18

Here's this week's "Where In The Universe?" mystery image. The goal of this challenge is to test your skills and visual knowledge of our universe. Guess where this image is from, and give yourself extra points if you can guess which spacecraft is responsible for the image. As always, don't peek below before you [...]

TV Alert: Mythbusters and the Moon Hoax Myth

On Wednesday August 27th, at 9 p.m. ET/PT in the US, the famed "Mythbusters" on the Discovery Channel will take on one of the biggest myths ever: the belief the Apollo Moon landings were faked. Some folks who lived through the 1960's never believed the moon landings actually happened, and some how this [...]

Large Hadron Collider Rap Is a Hit

Puzzled about particle physics? Want to know what the inside of the Large Hadron Collider looks like? Like music, fun and science? Want to know for sure the LHC won't create a black hole that will swallow the Earth? Find all of the above in a rap song created by Kate McAlpine, [...]

Clash of Clusters Separates Dark Matter From Ordinary Matter

A powerful collision of galaxy clusters captured by NASA's Hubble Space Telescope and Chandra X-ray Observatory provides evidence for dark matter and insight into its properties. Observations of the cluster known as MACS J0025.4-1222 indicate that a titanic collision has separated dark matter from ordinary matter. The images also provide an independent confirmation of [...]

A Chilly Sunrise on Mars

Via Twitter, the Phoenix lander said, "I saw this beautiful sunrise yestersol. Bittersweet, as it means an end to midnight sun in the Martian arctic." At Phoenix's location above Mars arctic circle, the sun doesn't set during the peak of summer in the northern hemisphere. If you recall, Phoenix took a montage [...]

Cosmonaut Photographed South Ossetia From ISS Shortly After Russian Invasion

During a Russian weather observation campaign, cosmonaut Oleg Kononenko took photographs above the South Ossetia region of Georgia soon after the Russian military action in the area on August 9th. According to NASA's ISS Daily Report, Kononenko was monitoring the "after-effects of border conflict operations in the Caucasus" and his orders from Moscow instructed him [...]

Hey, What Are Spirit and Opportunity Up to These Days?

With the Phoenix lander busily working away on Mars and grabbing the recent headlines, we haven't heard much from the other two robots on the Red Planet, the Mars Exploration Rovers, Spirit and Opportunity. Spirit has been hunkered down, trying to survive the harshest weeks of southern Martian winter. She's waiting for the [...]

Has the First Extraterrestrial (Computer) Virus Been Discovered on the Space Station?

Could this be the first space-borne computer virus ever discovered? It would appear that the International Space Station, orbiting at over 330 km (180 miles) above the planet, is not immune to software problems more commonly associated with computers down here on Earth. Over the last few days, astronauts on board the ISS have been [...]

GLAST is Now Fermi

With "first light" successfully observed by the Gamma Ray Large Area Space Telescope, or GLAST, as it has been called until now, NASA has christened the space observatory with its new official name: The Fermi Gamma Ray Space Telescope. Named for Italian physicist Enrico Fermi, the telescope will delve into the mysteries of the [...]

Atlantis Takes First Steps To Hubble

Space shuttle Atlantis was rolled over the the Vehicle Assembly Building after hunkering down in the Orbiter Processing Facility at Kennedy Space Center during Tropical Storm Fay. In the VAB, Atlantis will be attached to its external fuel tank and twin solid rocket boosters. NASA announced that Atlantis will be moved out to Launch [...]

Phoenix Digs Deep for 90th Day on Mars

The next sample of Martian soil being grabbed for analysis is coming from a trench about three times deeper than any other trench NASA's Phoenix Mars Lander has dug. On Tuesday, August 26, the scoop on the lander's robotic arm will pick up a sample of soil from the bottom of a trench called [...]

Celestron Sky Maps and Star Finder - Start Out Right

I'm often asked about what I'd recommend as a very basic book for beginner's to help them learn their way around the constellations and how to put their binoculars or small telescopes to good use. Needless to say, there's an endless array of books for the beginning stargazer and no one particular volume is [...]

How To Save the World From Asteroid Impact: Plastic Wrap

Remember a competition we reported on back in April called "Move An Asteroid"? It was an international technical paper competition looking for unique and innovative concepts for how to deflect an asteroid or comet that might be on a collision course for Earth. The winners have been announced and first prize went to [...]

Rosetta Prepares for Meet-Up With Asteroid Next Week

ESA’s Rosetta spacecraft will make an historic encounter with asteroid (2867) Steins on September 5, 2008 at 20:58 CEST (Central European Summer Time), 2:58 pm EDT (US Eastern Daylight Time.) A few days ago, Rosetta conducted a successful trajectory correction maneuver using images from the spacecraft's cameras to calculate the asteroid's location, to [...]

Cosmic 'Needle in a Haystack' Confirms Dark Energy

A massive cluster of galaxies seen in the distant universe by ESA’s orbiting XMM-Newton x-ray observatory is so big that astronomers believe there can only be a few of them that far away in space and time. “Such massive galaxy clusters are thought to be rare objects in the distant Universe," said Georg [...]

Big Brother is Watching Over the Red Planet

We have security cameras watching our daily habits, we watch voyeuristic TV shows of social misfits trapped in a house, we use webcams to transmit our musings on Youtube and we are constantly being monitored by hi-res satellite cameras. What can we possibly survey now? Surely every inch of the planet is under someone's watchful [...]

Please (Again)– Mars Will NOT Look As Big As the Full Moon

I thought this year would be different and finally I could make it through the month of August without receiving a forwarded email from an excited acquaintance, wondering if I knew about this incredible news that will happen only once in a lifetime. The email claims Mars is coming closer to Earth and will [...]

Videos of NASA/ATK Rocket Failure

NASA launch officials were forced to hit the "destruct" button on an experimental rocket that launched early Friday morning. The launch and subsequent explosion was captured on both amateur and NASA video, and shows the pieces falling back to Earth. The countdown and initial takeoff Friday morning from a NASA launch facility on [...]

Spitzer Takes Family Portrait of Stars Amid Another "Celestal Geode"

A new image from NASA's Spitzer Space Telescope reveals generations of stars amid a cavity carved from a colorful cosmic cloud. The striking infrared picture shows a region, called W5, which is similar to N44F, or the "Celestial Geode" that was discussed in a Universe Today article last week. The gas cavity, which [...]

Weekend SkyWatcher's Forecast - August 22-24, 2008

Greetings, fellow SkyWatchers! Are you ready for a relatively Moon-less weekend? For telescope observers, we'll travel south and capture the cosmic firefly - the "Bug Nebula". If you have binoculars, take them out as we journey back 2000 years in time to look at the magnificent M25. For those who like [...]

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