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 FLUX RSS - Universe today
 Universe Today
Space and astronomy news
Herschel Finds Water Around a Carbon Star 
There's something strange going on around the red giant star CW Leonis (a.k.a. IRC+10216). Deep within the star's carbon-rich veil, astronomers have detected water vapor where no water should be. CW Leonis is similar in mass to the sun, but much older and much larger. It is the nearest red giant to the sun, and [...] ... / ... 
Herschel Finds Water Around a Carbon Star
There's something strange going on around the red giant star CW Leonis (a.k.a. IRC+10216). Deep within the star's carbon-rich veil, astronomers have detected water vapor where no water should be. CW Leonis is similar in mass to the sun, but much older and much larger. It is the nearest red giant to the sun, and [...] 
(05/09/2010 @ 20:36)
Step On The Scales: Weighing Up Planet Earth…
Scientists at the European Southern Observatory have identified the closest looking solar system to our own. They located a sun-like star more than 100 light years distant with as many as seven different planets, including one that might be the smallest ever found outside the solar system. (...)Read the rest of Step On The Scales: [...] ... / ...
Step On The Scales: Weighing Up Planet Earth…
Scientists at the European Southern Observatory have identified the closest looking solar system to our own. They located a sun-like star more than 100 light years distant with as many as seven different planets, including one that might be the smallest ever found outside the solar system. (...)Read the rest of Step On The Scales: [...]
(05/09/2010 @ 18:05)
The Origin of Exoplanets
We truly live in an amazing time for exoplanet research. It was only 18 years ago the first planet outside our solar system was discovered. Fifteen since the first confirmation of one around a main sequence star. Even more recently, direct images have begun to sprout up, as well as the first spectra of the [...] ... / ...
The Origin of Exoplanets
We truly live in an amazing time for exoplanet research. It was only 18 years ago the first planet outside our solar system was discovered. Fifteen since the first confirmation of one around a main sequence star. Even more recently, direct images have begun to sprout up, as well as the first spectra of the [...]
(05/09/2010 @ 16:39)
Astronomy Without A Telescope – Space Towers
Arthur C Clarke allegedly said that the space elevator would be built fifty years after people stopped laughing. The first space tower though… well, that might need a hundred years. The idea of raising a structure from the ground up to 100 kilometers in height seems more than a bit implausible by today's engineering standards, [...] ... / ...
Astronomy Without A Telescope – Space Towers
Arthur C Clarke allegedly said that the space elevator would be built fifty years after people stopped laughing. The first space tower though… well, that might need a hundred years. The idea of raising a structure from the ground up to 100 kilometers in height seems more than a bit implausible by today's engineering standards, [...]
(04/09/2010 @ 20:14)
The Black Hole/Globular Cluster Correlation
Often in astronomy, one observable property traces another property which may be more difficult to observe directly; X-ray activity on stars can be used to trace turbulent heating of the photosphere. CO is used to trace cold H2. Sometimes these correlations make sense. Activities in stars produce the X-ray emissions. Other times, the tracer seems [...] ... / ...
The Black Hole/Globular Cluster Correlation
Often in astronomy, one observable property traces another property which may be more difficult to observe directly; X-ray activity on stars can be used to trace turbulent heating of the photosphere. CO is used to trace cold H2. Sometimes these correlations make sense. Activities in stars produce the X-ray emissions. Other times, the tracer seems [...]
(04/09/2010 @ 16:02)
Ars Electronica Festival – Don't Miss September 6!
Ars Electronica made its debut on September 18, 1979. This festival of art, technology and society spotlighted the emerging Digital Revolution. In his preface to what was going on then, Mayor Franz Hillinger wrote (with specific reference to music): “Ars Electronica is giving rise to a new tonal coloration in which state-of-the-art technology is dovetailing [...] ... / ...
Ars Electronica Festival – Don't Miss September 6!
Ars Electronica made its debut on September 18, 1979. This festival of art, technology and society spotlighted the emerging Digital Revolution. In his preface to what was going on then, Mayor Franz Hillinger wrote (with specific reference to music): “Ars Electronica is giving rise to a new tonal coloration in which state-of-the-art technology is dovetailing [...]
(04/09/2010 @ 15:58)
Viking Experiment May Have Found Life's Building Blocks on Mars After All
A new look at data from the Mars Viking landers concludes that the two landers may have found the building blocks of life on the Red Planet after all way back in 1976. The surprise discovery of perchlorates by the Phoenix mission on Mars 32 years later could mean the way the Viking experiment was [...] ... / ...
Viking Experiment May Have Found Life's Building Blocks on Mars After All
A new look at data from the Mars Viking landers concludes that the two landers may have found the building blocks of life on the Red Planet after all way back in 1976. The surprise discovery of perchlorates by the Phoenix mission on Mars 32 years later could mean the way the Viking experiment was [...]
(03/09/2010 @ 13:37)
NASA Satellites and Spacecraft Look Into the Eye of Hurricane Earl
NASA scientists, instruments and spacecraft are busy studying Hurricane Earl from both the air and space, and an unmanned aircraft actually flew inside the giant storm. Above is a satellite image from NASA's Terra satellite, and below is an image taken by one of the astronauts on board the International Space Station, Doug Wheelock. Three [...] ... / ...
NASA Satellites and Spacecraft Look Into the Eye of Hurricane Earl
NASA scientists, instruments and spacecraft are busy studying Hurricane Earl from both the air and space, and an unmanned aircraft actually flew inside the giant storm. Above is a satellite image from NASA's Terra satellite, and below is an image taken by one of the astronauts on board the International Space Station, Doug Wheelock. Three [...]
(03/09/2010 @ 13:07)
New Horizons Mission Practices Telescopic Imager on Pluto's Twin
This summer, the New Horizons spacecraft was awoken for its annual systems checkout, and took the opportunity to exercise the long range camera by snapping pictures of Neptune, which at the time, was 3.5 billion km (2.15 billion miles) away. The Long Range Reconnaissance Imager (LORRI) snapped several photos of the gas giant, but Neptune [...] ... / ...
New Horizons Mission Practices Telescopic Imager on Pluto's Twin
This summer, the New Horizons spacecraft was awoken for its annual systems checkout, and took the opportunity to exercise the long range camera by snapping pictures of Neptune, which at the time, was 3.5 billion km (2.15 billion miles) away. The Long Range Reconnaissance Imager (LORRI) snapped several photos of the gas giant, but Neptune [...]
(03/09/2010 @ 12:17)
How to Crash Stars Together
The math is simple: Star + Other star = Bigger star. While conceptually this works well, it fails to take into account the extremely vast distances between stars. Even in clusters, where the density of stars is significantly higher than in the main disk, the number of stars per unit volume is so low that [...] ... / ...
How to Crash Stars Together
The math is simple: Star + Other star = Bigger star. While conceptually this works well, it fails to take into account the extremely vast distances between stars. Even in clusters, where the density of stars is significantly higher than in the main disk, the number of stars per unit volume is so low that [...]
(03/09/2010 @ 11:57)
Dernière mise à jour : 02/09/2010 @ 22:22
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