loading ...
Space & Earth science / Astronomy news 1234

How did the universe begin?

June 24, 2008 | User rating: 4.3 / 5 after 139 vote(s) | User comments: 136

One of the most interesting questions considered by astrophysicists deals with the start of our universe. Indeed, there is a great deal of speculation on the subject, with different theories about how the universe began, ...


Could hadron collider devour the Earth?

June 28, 2008 | User rating: 3.9 / 5 after 48 vote(s) | User comments: 34

Particle colliders creating black holes that could devour the Earth. Sounds like a great Hollywood script. But, according to UC Santa Barbara Physics Professor Steve Giddings, it's pure fiction.


Strange star stumps astronomers

May 16, 2008 | User rating: 4.3 / 5 after 59 vote(s) | User comments: 16

An obese oddball of a star has left astronomers wondering how it could have formed. Dr David Champion and his colleagues at CSIRO’s Australia Telescope National Facility publish their findings about the star ...


Earth: A Borderline Planet for Life?

January 09, 2008 | User rating: 4.4 / 5 after 34 vote(s) | User comments: 15

Our planet is changing before our eyes, and as a result, many species are living on the edge. Yet Earth has been on the edge of habitability from the beginning. New work by astronomers at the Harvard-Smithsonian ...


Did the solar system 'bounce' finish the dinosaurs?

May 02, 2008 | User rating: 4.5 / 5 after 50 vote(s) | User comments: 15

The sun’s movement through the Milky Way regularly sends comets hurtling into the inner solar system – coinciding with mass life extinctions on earth, a new study claims.


100 years on, mystery shrouds massive 'cosmic impact' in Russia

June 29, 2008 | User rating: 4.5 / 5 after 68 vote(s) | User comments: 13

A hundred years ago this week, a gigantic explosion ripped open the dawn sky above the swampy taiga forest of western Siberia, leaving a scientific riddle that endures to this day.


Death of massive star creates brightest burst ever seen

March 20, 2008 | User rating: 4.6 / 5 after 51 vote(s) | User comments: 12

Gamma-Ray Bursts are the most powerful explosive events in the Universe. They occur in far-off galaxies and so are usually faint. But on the morning of March 19th 2008 the Swift satellite found a burst which ...


Black holes have simple feeding habits

June 18, 2008 | User rating: 4.2 / 5 after 21 vote(s) | User comments: 11

The biggest black holes may feed just like the smallest ones, according to data from NASA's Chandra X-ray Observatory and ground-based telescopes. This discovery supports the implication of Einstein's relativity ...


Ancient Galactic Magnetic Fields Stronger than Expected

July 23, 2008 | User rating: 4.5 / 5 after 21 vote(s) | User comments: 11

(PhysOrg.com) -- Mining the far reaches of the universe for clues about its past, a team of scientists including Philipp Kronberg of Los Alamos National Laboratory has proposed that magnetic fields of ancient galaxies like ...


Hot Cyclones Churn at Both Ends of Saturn

January 04, 2008 | User rating: 4.6 / 5 after 32 vote(s) | User comments: 10

Despite more than a decade of winter darkness, Saturn's north pole is home to an unexpected hot spot remarkably similar to one at the planet's sunny south pole. The source of its heat is a mystery. Now, the ...


Galaxies Gone Wild

April 24, 2008 | User rating: 4.4 / 5 after 32 vote(s) | User comments: 9

Interacting galaxies are found throughout the Universe, sometimes as dramatic collisions that trigger bursts of star formation, on other occasions as stealthy mergers that result in new galaxies. A series ...


UO plays key role in LIGO's new view of a cosmic event

January 04, 2008 | User rating: 4.6 / 5 after 20 vote(s) | User comments: 8

An international team of physicists, including University of Oregon scientists, has concluded that last February's intense burst of gamma rays possibly coming from the Andromeda Galaxy lacked a gravitational wave. That absence, ...


Nearby star should harbor detectable, Earth-like planets

March 07, 2008 | User rating: 4.5 / 5 after 41 vote(s) | User comments: 8

A rocky planet similar to Earth may be orbiting one of our nearest stellar neighbors and could be detected using existing techniques, according to a new study led by astronomers at the University of California, ...


Compact galaxies in early universe pack a big punch

April 29, 2008 | User rating: 4.3 / 5 after 6 vote(s) | User comments: 8

Imagine receiving an announcement touting the birth of a baby 50 centimetres long and weighing 80 kilograms. After reading this puzzling message, you would immediately think the baby’s weight was a misprint.


Hubble Survey Finds Missing Matter, Probes Intergalactic Web

May 20, 2008 | User rating: 4.6 / 5 after 49 vote(s) | User comments: 8

Although the universe contains billions of galaxies, only a small amount of its matter is locked up in these behemoths. Most of the universe's matter that was created during and just after the Big Bang must ...


Pages: 1 Next »