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Astronomy News and Research - April 2008 Archives
 | Gravitational rocket propelled the monster at a speed of thousands of kilometres per second ...> Full Article |
 | Some of the oldest objects in the Universe may still have a long way to go ...> Full Article |
 | An international team of scientists has detected that some of the glow of Earth's aurora is polarized, an unexpected state for such emissions ...> Full Article |
 | Fifty nine new images of colliding galaxies make up the largest collection of Hubble images ever released together. As this astonishing Hubble atlas of interacting galaxies illustrates, galaxy collisions produce a remarkable variety of intricate structures. ...> Full Article |
Astronomers are looking to identify Earth-like watery worlds circling distant stars from a glint of light seen through an optical space telescope and a mathematical method
...> Full Article
 | New telescope evidence suggests twisted magnetic fields in supermassive black holes cause particle and energy jets to surge out in corkscrews ...> Full Article |
For the first time, astronomers have observed a blazar in action, substantiating a prevailing theory about how these luminous and energetic galactic cores work.
...> Full Article
 | Researchers have found compelling evidence of thick, recurring glaciers on Mars, a discovery that suggests that the Red Planet's climate was much more dynamic than previously believed - and could change again ...> Full Article |
 | Could microbial life exist inside Enceladus, where no sunlight reaches, photosynthesis is impossible and no oxygen is available? To answer that question, we need look no farther than our own planet to find examples of the types of exotic ecosystems that could make life possible on Saturn's geyser moon. The answer appears to be, yes, it could be possible. ...> Full Article |
 | Earth's magnetotail discharges plasma to charge the Moon. ...> Full Article |
 | Radar sounding is opening up a planet's third dimension ...> Full Article |
 | Satellite data shows clearly that powerful starquakes ripple around the Sun in the wake of mighty solar flares that explode above its surface. The observations give solar physicists new insight into a long-running solar mystery and may even provide a way of studying other stars. ...> Full Article |
 | NASA is extending the international Cassini-Huygens mission by two years ...> Full Article |
 | Light echo of a high-energy flash from a black hole first observed in detail ...> Full Article |
 | By studying in great detail the 'ringing' of a planet-harbouring star, a team of astronomers using ESO's 3.6-m telescope have shown that it must have drifted away from the metal-rich Hyades cluster ...> Full Article |
 | A new image from NASA's Galaxy Evolution Explorer shows baby stars sprouting in the backwoods of a galaxy -- a relatively desolate region of space more than 100,000 light-years from the galaxy's bustling center. ...> Full Article |
 | When enough tiny unicellular organisms come together in the ocean, they become visible from space ...> Full Article |
 | Astronomers have discovered that our galaxy's central black hole let loose a powerful flare three centuries ago ...> Full Article |
 | Record breaking explosion continues to astound astronomers ...> Full Article |
 | New insights into solar activity have been revealed thanks to research from a group of Cambridge academics ...> Full Article |
 | The High Resolution Imaging Science Experiment has produced a new color stereo view of Phobos, the larger and inner of Mars' two tiny moons. ...> Full Article |
 | When a white dwarf accretes matter from his larger companion star and after reaching a critical mass ejects it in an explosion a nova occurs. Soft X-rays from classical novae are especially interesting for astronomers: They reveal ongoing residual hydrogen burning after the explosion and so give evidence that some of the accreted material is left on the white dwarf surface after the ejection. In this way the long-term evolution of the white dwarf in a binary system can be studied, for example to answer the question if the nova will later transform into a type Ia supernova, the most luminous supernova type. ...> Full Article |
A stream of debris across the sky is the result of intergalactic cannibalism
...> Full Article
 | XMM-Newton has been surprised by a rare type of galaxy, from which it has detected a higher number of X-rays than thought possible. The observation gives new insight into the powerful processes shaping galaxies during their formation and evolution. ...> Full Article |
 | An ambitious study of active and inactive galaxies has given new insights into the complex interaction between super-massive black holes at the heart of Active Galactic Nuclei (AGN) and star formation in the surrounding galaxy ...> Full Article |
 | One of the most dynamic events in the interaction between the Sun and the Earth is a 'substorm', an explosive reshaping of the Earth's outer magnetic field. To better understand substorms, scientists in Europe and North America are studying them from space using the Time History of Events and Macroscale Interactions during Substorms (THEMIS) satellites launched by NASA in 2007 and from the ground using a network of all-sky cameras. ...> Full Article |
 | An international team of astronomers has discovered the coldest brown dwarf star ever observed ...> Full Article |
 | Venus Express has measured a highly variable quantity of the volcanic gas sulphur dioxide in the atmosphere of Venus ...> Full Article |
Scientists have discovered a possible terrestrial-type planet orbiting a star in the constellation of Leo
...> Full Article
 | Astronomers have developed the most sensitive infrared map of the distant universe ever produced, revealing the origins of the most massive galaxies in the cosmos ...> Full Article |
 | The well-known naked-eye star cluster Omega Centauri may be home to an elusive intermediate-mass black hole ...> Full Article |
A new satellite that will measure the Earth's global gravity field considerably more accurately than is currently achievable by other satellite and terrestrial means is being prepared for launch in Russia at the end of May
...> Full Article
Our view of the Universe is about to be changed by the largest and most detailed 'map' of the heavens ever produced
...> Full Article
 | Measuring ability leaps with new instrument ...> Full Article |
 | Telescope was in the right place at the right time to capture the first images of once-in-a-lifetime event ...> Full Article |
 | Team sees first signs of formation's middle stages ...> Full Article |
 | As a result of intensive collaboration with NASA's Goddard Space Flight Center near Washington, astronomers at Queen's University Belfast have announced an exciting discovery that could pave the way to solving a problem which has been baffling solar physicists for years. ...> Full Article |
 | A medical X-ray technique has been adapted to produce the first detailed map of the structure of the Sun's outermost layer, the corona, created from direct observations. ...> Full Article |
The strongest burst of star formation occurred two billion years after the Big Bang
...> Full Article
 | Observing the distant Universe with the unaided eye ...> Full Article |
 | More than 11 billion light years away, galaxies illuminate evolution of universe ...> Full Article |
Astronomers have found a baby planet still in the stages of forming and encased within a 'womb' of gas
...> Full Article
 | The Pleiades star cluster will have a beautiful encounter with the slender moon in the western sky after sunset on April 8. Usually the moon's brightness overpowers nearby stars, but not when it's such a thin crescent. Binoculars will reveal the spectacle as the moon passes just below the famous Seven Sisters. ...> Full Article |
Discoveries of extrasolar planets made by international team of astronomers.
...> Full Article
Using a new technique, two NASA scientists have identified the lightest known black hole. With a mass only about 3.8 times greater than our Sun and a diameter of only 15 miles, the black hole lies very close to the minimum size predicted for black holes that originate from dying stars.
...> Full Article
 | Astronomers have spied a faraway star system that is so unusual, it was one of a kind -- until its discovery helped them pinpoint a second one that was much closer to home. ...> Full Article |
 | Looking for evidence of life on Mars or other planets? Finding cellulose microfibers would be the next best thing to a close encounter, according to new research from the University of North Carolina at Chapel Hill. The cover story for the April issue of the journal Astrobiology, the new research also pushes back the earliest direct evidence of biological material on Earth by about 200 million years. ...> Full Article |
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