I’m really sorry I didn’t find out about this earlier, but better late than never. So, on June 23, several observers from Tucson, Arizona reported they noticed a bright fireball on the sky. As it turns out, it was rock from outer space that broke apart and took a dive in our planet’s atmosphere, a ’shooting [...]
Monday, May 4, 2009
ESO’s Very Large Telescope has shown something that scientists concluded is the signature of the explosion of the object furthest away from Earth we have found so far, a redshift of 8.2; it’s estimated that the explosion took place more than 13 billion years ago (!!), just 600 million years after the Big Bang. They found [...]
Friday, March 27, 2009
Get your 3D pictures on and join the show; hundreds of amazing pictures made by the HiRISE camera on NASA’s Mars Reconnaissance Orbiter (MRO) have been made, and despite the fact that this is not the first mission to take 3D pictures, HiRISE is by far the most powerful camera to do this, due to [...]
Tuesday, March 17, 2009
About 20 years ago, on March 13, 1989, the whole province of Quebec, Canada, suffered a blackout that by now has reached legendary proportions among astronomers and electrical engineers. Still, what made it reach this status wasn’t its proportions, but the fact that it was caused by the sun, or a solar storm to be [...]
Sunday, February 22, 2009
Unfortunately for some, the green visitor is not an alien coming to greet us but something else, even though it also comes from far, far away. On the 24th of February the comet Lulin will pass within 61 million kilometers of Earth, thus being able to be seen with the naked eye from some locations. This [...]
Thursday, January 15, 2009
You may or may not have heard about blue stragglers; they are blue stars that are hotter and bluer than other stars with the same luminosity. Until now, it seemed that these stars defied most if not all of the standard stellar theories, but scientists now believe they have finally solved this stellar mistery. The research [...]
Saturday, January 10, 2009
Well ladies and gentlemen, you’d better fasten your seat belts, because we’re in for quite a spin. The Milky Way is spinning a bit faster than scientists believed; with about 100.000 miles / hour that is. What does that mean, basically?? Well, we’re faster, heavier, and there’s a bigger chance that we’ll collide with… something. [...]
Thursday, January 8, 2009
Recently, NASA’s Fermi Gamma-ray Space Telescope discovered no more, no less than 12 pulsars, and it also detected gamma ray pulse from 18 others. These findings are forcing scientists to rethink what we know about dying stars, as they totally underestimated the power of these stellar cilinders. “We know of 1,800 pulsars, but until Fermi we [...]
Tuesday, December 16, 2008
Astronomy & Astrophysics has published spectroscopic observations of one of the hottest stars discovered so far - a white dwarf called KPD 0005+5106. The observations were made using the space-based Far-Ultraviolet Spectroscopic Explorer (FUSE), showing that the temperature can reach 200 000 K at the surface of the star. Temperatures can get so high that [...]
Tuesday, December 2, 2008
The supermassive black holes located at the center of galaxies are similar in many ways to hearts, pumping out energy in the similar way our organ pumps blood. They do this at regular intervals of time, to regulate the growth of the black holes themselves, as well as to contribute to the formation of [...]
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Sunday, June 28, 2009
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