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So, is it possible to orbit around black holes without falling towards the singularity? Well, against general belief such maneuvers are actually possible. Objects coming in the vicinity of a black hole may enter elliptical orbits, resembling those of the planets in the solar system orbiting the Sun. However, the extr... |
14 February 2008
04:53 GMT |
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We have taught ourselves to believe that all the planets have roughly circular orbits around stars and have changed much over the years, but the truth is far from this presumption. Planets, like all bodies in the universe have highly elliptical orbits, where the 'central' orbited body is situated in one of ... |
11 February 2008
06:35 GMT |
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What stops them you say? Well, it may be the fact that the Bigelow Aerospace agency currently has no vehicle to launch the Bigelow Sundancer module into space. Thus, they started studying the possibility of using Atlas 5 rockets for the initial launch of cargo and and even humans in the close future. If negotiations ... |
5 February 2008
05:32 GMT |
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On Tuesday, the U.S. military warned that a large spy satellite owned by the U.S. has lost power, is decaying its orbit and will most likely hit the Earth in the next two months or so. USA 193's size suggests that, as it will re-enter the atmosphere, it will not burn completely and some parts may end up of the s... |
30 January 2008
02:57 GMT |
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The U.S. officials were very evasive in their press statement released on Saturday, which could be related to the fact that the giant orbiter is a spy satellite. It is unclear when the satellite lost power or when and where it will hit the Earth. What is known is that it cannot be controlled anymore, is quickly decay... |
28 January 2008
02:47 GMT |
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For those of you who are looking for unique images on the night sky, since tonight you can see how the closest planet to Earth, Venus, and the largest planet in the solar system, the gas giant Jupiter, slowly draw together to create some of the brightest systems visible this year. Don't worry though, the two are... |
25 January 2008
05:33 GMT |
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The word satellite originally meant 'co-traveler' or 'traveling companion', and was first attributed to natural bodies orbiting planets such as the Moon, for example, which is Earth's satellite. Currently, the word satellite is mostly used to describe man-made instruments orbiting the Earth, ... |
3 January 2008
11:04 GMT |
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The Ursids meteors shower usually begins on the 17th of December every year, and lasts for more than a week, until 25th or 26th of December. Its name comes from the point where it seems to radiate, which is somewhere near the star Beta Ursae Minor, in the constellation of Ursa Minor, also known as the Little Dipper. ... |
13 December 2007
07:45 GMT |
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Leonid Meteor Shower is associated with the comet Tempel-Tuttle. The event gets its name from the region of the sky, from which the meteors seem to radiate, since they stream down to Earth from a single point. The meteor shower takes place every year around the date of 17th of November, plus or minus a week, when the... |
16 November 2007
09:17 GMT |
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Saturn is a curious planet, not because it's a gas giant, the second largest planet in the solar system, or because of the fact that its equatorial and polar diameters differ by almost 10%. The most interesting aspect of this giant is the number of satellites.People often enjoy gazing at the Moon, our only natu... |
20 July 2007
04:20 GMT |
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This is a not a pointless satire on the educational system in the US. These are the results of a survey that points out that only about a fifth of all Americans have a clue of what science really is, and thus believe that the Sun is actually revolving around the Earth and that the Tooth Fairy gives them money in exc... |
6 July 2007
04:16 GMT |
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Sunita Williams is now officially holding the record for the longest duration spaceflight for a woman. This morning, she broke the old record, held by Shannon Lucid and established 11 years ago, of 188 days and 4 hours. Sunita Lyn "Suni" Williams was assigned to the International Space Station as a member of Expedit... |
20 June 2007
05:06 GMT |
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The most recently discovered exoplanet is a true giant, being only six times smaller than the star it orbits. It's located in the constellation Hercules about 10 degrees west of Vega, the brightest star in the summer skies and was discovered by an international team of astronomers with the help of a network of ... |
1 June 2007
10:20 GMT |
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NASA's internal procedure for tracking potentially dangerous asteroids that could hit Earth and for countermeasures designed to deflect the space objects is deeply flawed and heavily criticized because it exaggerates the cost and difficulty of the program.The agency had one year to prepare plans for a survey th... |
22 May 2007
12:06 GMT |
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Due to which process can we observe perfectly horizontal layers on the limestone cliffs (lines that repeat rhythmically at similar distances upside down)? The answer of the scientists: we should study the oscillations of the Earth's rotation axis. A kind of "Egg of Columbus", this explanation is accepted today, ... |
10 May 2007
18:31 GMT |
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A new astronomical find gives a whole new meaning to the phrase "it's a hell hole." The Spitzer Space Telescope has just sent in astonishing new data about the most bizarre extrasolar planet ever photographed. It literally fits the classical descriptions of Hell: the temperatures on the surface of this planet ... |
10 May 2007
04:52 GMT |
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It may sound strange, but Newton's theory of gravity predicts that it would be possible for three planets with equal masses to race around one another in a strange looking orbit the shape of figure 8. Einstein's more accurate theory of gravity, general relativity, was not sure to support such a weird orbit... |
5 May 2007
05:04 GMT |
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NASA is happy with the fact that the repairs to the space shuttle Atlantis fuel tank are coming along well, apparently allowing for the next mission launch in June, after golf ball-sized hail fell leaving thousands of dents in the foam insulation of the fuel tank.Today, officials also announced dates for two of next... |
17 April 2007
05:22 GMT |
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