News tagged with space science

New Interstellar Boundary Explorer data show heliosphere's long-theorized bow shock does not exist

For the last few decades, space scientists have generally accepted that the bubble of gas and magnetic fields generated by the sun – known as the heliosphere – moves through space, creating three ...

Space & Earth / Space Exploration

created May 10, 2012 | popularity 4.8 / 5 (17) | comments 3 | with audio podcast

Astronomers solve mystery of vanishing energetic electrons in Earth's outer radiation belt

UCLA researchers have explained the puzzling disappearing act of energetic electrons in Earth's outer radiation belt, using data collected from a fleet of orbiting spacecraft.

Physics / General Physics

created Jan 29, 2012 | popularity 4.5 / 5 (11) | comments 14 | with audio podcast

Herschel Space Observatory discovers source of cosmic dust in a stellar explosion

(PhysOrg.com) -- ESA's Herschel Space Observatory is helping unravel the mystery of where cosmic dust comes from. Thanks to the resolution and sensitivity of Herschel, astronomers have been able to detect ...

Space & Earth / Astronomy

created Jul 07, 2011 | popularity 4.5 / 5 (11) | comments 6 | with audio podcast

Princeton researchers solve problem filling space -- without cubes

(PhysOrg.com) -- Whether packing oranges into a crate, fitting molecules into a human cell or getting data onto a compact disc, wasted space is usually not a good thing.

Other Sciences / Mathematics

created Jun 28, 2011 | popularity 4.9 / 5 (9) | comments 3 | with audio podcast

Unusual gamma-ray flash may have come from star being eaten by massive black hole

A bright flash of gamma rays observed March 28 by the Swift satellite may have been the death rattle of a star falling into a massive black hole and being ripped apart, according to a team of astronomers led ...

Space & Earth / Astronomy

created Jun 16, 2011 | popularity 5 / 5 (12) | comments 12 | with audio podcast

New class of stellar explosions discovered

They're bright and blue-and a bit strange. They're a new type of stellar explosion that was recently discovered by a team of astronomers led by the California Institute of Technology (Caltech). Among the most ...

Space & Earth / Astronomy

created Jun 08, 2011 | popularity 4.8 / 5 (14) | comments 12 | with audio podcast

Researchers recalculate age of Solar System

(PhysOrg.com) -- Lead-lead (Pb-Pb) dating is among the most widely used radiometric dating techniques to determine the age of really old things, such as the age of the Earth or the Solar System. However, recent ...

Space & Earth / Space Exploration

created Jan 04, 2010 | popularity 4.6 / 5 (13) | comments 2 | with audio podcast

Life on Mars theory boosted by new methane study

Scientists have ruled out the possibility that methane is delivered to Mars by meteorites, raising fresh hopes that the gas might be generated by life on the red planet, in research published tomorrow in Earth an ...

Space & Earth / Space Exploration

created Dec 08, 2009 | popularity 4.9 / 5 (32) | comments 11

Cloudy with a chance of pebble showers: Simulation suggests rocky exoplanet has bizarre atmosphere

(PhysOrg.com) -- So accustomed are we to the sunshine, rain, fog and snow of our home planet that we find it next to impossible to imagine a different atmosphere and other forms of precipitation.

Space & Earth / Astronomy

created Sep 29, 2009 | popularity 4.7 / 5 (26) | comments 12

Stuck bolt, dead battery bedevil Hubble repairs

(AP) -- Spacewalkers' specially designed tools couldn't dislodge a balky bolt interfering with repairs Sunday at the Hubble Space Telescope, so they took an approach more familiar to people puttering around ...

Space & Earth / Space Exploration

created May 17, 2009 | popularity 4.1 / 5 (9) | comments 9

Let there be light: Camera hooked up for Hubble

(AP) -- A pair of spacewalking astronauts overpowered a stubborn bolt and successfully installed a new piano-sized camera in the Hubble Space Telescope on Thursday, the first step to making the observatory ...

Space & Earth / Space Exploration

created May 14, 2009 | popularity 5 / 5 (9) | comments 7

Mountain on Mars may answer big question

The Martian volcano Olympus Mons is about three times the height of Mount Everest, but it's the small details that Rice University professors Patrick McGovern and Julia Morgan are looking at in thinking about ...

Space & Earth / Space Exploration

created Mar 04, 2009 | popularity 4.2 / 5 (17) | comments 1

Dust around a primitive star sheds new light on universe's origins

(PhysOrg.com) -- A Cornell-led team of astronomers has observed dust forming around a dying star in a nearby galaxy, giving a glimpse into the early universe and enlivening a debate about the origins of all ...

Space & Earth / Astronomy

created Jan 15, 2009 | popularity 4 / 5 (6) | comments 0

SpaceX cargo vessel prepares to leave space station (Update 2)

US company SpaceX's Dragon cargo ship is preparing to make its return journey to Earth after a landmark mission to the International Space Station, NASA and SpaceX representatives said Wednesday.

Space & Earth / Space Exploration

created May 30, 2012 | popularity 5 / 5 (9) | comments 0

Groundwater depletion in semiarid regions of Texas and California threatens US food security

The nation's food supply may be vulnerable to rapid groundwater depletion from irrigated agriculture, according to a new study by researchers at The University of Texas at Austin and elsewhere.

Space & Earth / Environment

created May 28, 2012 | popularity 4.9 / 5 (7) | comments 19 | with audio podcast