Thursday, January 30, 2014

NASA Funds Proposals for Microgravity Laboratory | Public Can Help NASA Search for Young Planetary Systems

 

LATEST NEWS
NASA Selects International Space Station Physical Science Research Proposals
NASA will fund seven proposals, including one from JPL, to conduct physics research on the agency's new microgravity laboratory, launching to the International Space Station.

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NASA-Sponsored 'Disk Detective' Lets Public Search for New Planetary Nurseries
NASA invites the public to help find young planetary systems in data from the agency's Wide-field Infrared Survey Explorer (WISE) mission.

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ScienceDaily: Astronomy News

ScienceDaily: Astronomy News

'Rogue' asteroids may be the norm

Posted: 29 Jan 2014 10:51 AM PST

A new map developed by astronomers charts the size, composition, and location of more than 100,000 asteroids throughout the solar system, and shows that rogue asteroids are actually more common than previously thought. Particularly in the solar system's main asteroid belt -- between Mars and Jupiter -- the researchers found a compositionally diverse mix of asteroids.

First weather map of brown dwarf: Surface of nearest brown dwarf charted

Posted: 29 Jan 2014 10:49 AM PST

The European Southern Observatory's Very Large Telescope has been used to create the first ever map of the weather on the surface of the nearest brown dwarf to Earth. An international team has made a chart of the dark and light features on WISE J104915.57-531906.1B, which is informally known as Luhman 16B and is one of two recently discovered brown dwarfs forming a pair only six light-years from the Sun.
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ScienceDaily: Galaxies News

ScienceDaily: Galaxies News

Universe's early galaxies grew massive through collisions

Posted: 29 Jan 2014 08:49 AM PST

It has long puzzled scientists that there were enormously massive galaxies that were already old and no longer forming new stars in the very early universe, approximately 3 billion years after the Big Bang. Now new research shows that these massive galaxies were formed by explosive star formation that was set in motion by the collision of galaxies a few billion years after the Big Bang.
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ScienceDaily: Stars News

ScienceDaily: Stars News

First weather map of brown dwarf: Surface of nearest brown dwarf charted

Posted: 29 Jan 2014 10:49 AM PST

The European Southern Observatory's Very Large Telescope has been used to create the first ever map of the weather on the surface of the nearest brown dwarf to Earth. An international team has made a chart of the dark and light features on WISE J104915.57-531906.1B, which is informally known as Luhman 16B and is one of two recently discovered brown dwarfs forming a pair only six light-years from the Sun.

Universe's early galaxies grew massive through collisions

Posted: 29 Jan 2014 08:49 AM PST

It has long puzzled scientists that there were enormously massive galaxies that were already old and no longer forming new stars in the very early universe, approximately 3 billion years after the Big Bang. Now new research shows that these massive galaxies were formed by explosive star formation that was set in motion by the collision of galaxies a few billion years after the Big Bang.
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ScienceDaily: Dark Matter News

ScienceDaily: Dark Matter News

Universe's early galaxies grew massive through collisions

Posted: 29 Jan 2014 08:49 AM PST

It has long puzzled scientists that there were enormously massive galaxies that were already old and no longer forming new stars in the very early universe, approximately 3 billion years after the Big Bang. Now new research shows that these massive galaxies were formed by explosive star formation that was set in motion by the collision of galaxies a few billion years after the Big Bang.
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Wednesday, January 29, 2014

ScienceDaily: Black Holes News

ScienceDaily: Black Holes News

Active supermassive black holes revealed in merging galaxies

Posted: 28 Jan 2014 06:43 AM PST

Astronomers have conducted infrared observations of luminous, gas-rich, merging galaxies to study active, mass-accreting supermassive black holes (SMBHs). They found that at least one SMBH almost always becomes active and luminous by accreting a large amount of material.
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ScienceDaily: Galaxies News

ScienceDaily: Galaxies News

Active supermassive black holes revealed in merging galaxies

Posted: 28 Jan 2014 06:43 AM PST

Astronomers have conducted infrared observations of luminous, gas-rich, merging galaxies to study active, mass-accreting supermassive black holes (SMBHs). They found that at least one SMBH almost always becomes active and luminous by accreting a large amount of material.
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ScienceDaily: Astronomy News

ScienceDaily: Astronomy News

Active supermassive black holes revealed in merging galaxies

Posted: 28 Jan 2014 06:43 AM PST

Astronomers have conducted infrared observations of luminous, gas-rich, merging galaxies to study active, mass-accreting supermassive black holes (SMBHs). They found that at least one SMBH almost always becomes active and luminous by accreting a large amount of material.
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ScienceDaily: Stars News

ScienceDaily: Stars News

Active supermassive black holes revealed in merging galaxies

Posted: 28 Jan 2014 06:43 AM PST

Astronomers have conducted infrared observations of luminous, gas-rich, merging galaxies to study active, mass-accreting supermassive black holes (SMBHs). They found that at least one SMBH almost always becomes active and luminous by accreting a large amount of material.

River of hydrogen flowing through space observed

Posted: 27 Jan 2014 01:44 PM PST

Astronomers have discovered what could be a never-before-seen river of hydrogen flowing through space. This very faint, very tenuous filament of gas is streaming into the nearby galaxy NGC 6946 and may help explain how certain spiral galaxies keep up their steady pace of star formation.
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ScienceDaily: Dark Matter News

ScienceDaily: Dark Matter News

Active supermassive black holes revealed in merging galaxies

Posted: 28 Jan 2014 06:43 AM PST

Astronomers have conducted infrared observations of luminous, gas-rich, merging galaxies to study active, mass-accreting supermassive black holes (SMBHs). They found that at least one SMBH almost always becomes active and luminous by accreting a large amount of material.
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Tuesday, January 28, 2014

NASA Preparing for 2014 Comet Watch at Mars

LATEST NEWS
NASA Preparing for 2014 Comet Watch at Mars
A close flyby of Mars in 2014 by comet Siding Spring could deliver opportunities for learning, but also possible hazards for orbiting spacecraft. NASA is preparing for both.

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NASA Radar Maps the Winter Pace of Iceland's Glaciers

LATEST NEWS
NASA Radar Maps the Winter Pace of Iceland's Glaciers
A high-precision radar instrument from NASA's Jet Propulsion Laboratory, Pasadena, Calif., left Southern California for Iceland today to create detailed maps of how glaciers move in the dead of winter.

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ScienceDaily: Galaxies News

ScienceDaily: Galaxies News

River of hydrogen flowing through space observed

Posted: 27 Jan 2014 01:44 PM PST

Astronomers have discovered what could be a never-before-seen river of hydrogen flowing through space. This very faint, very tenuous filament of gas is streaming into the nearby galaxy NGC 6946 and may help explain how certain spiral galaxies keep up their steady pace of star formation.

Exceptionally close stellar explosion discovered

Posted: 27 Jan 2014 06:32 AM PST

An exceptionally close stellar explosion discovered on Jan. 21 has become the focus of observatories around and above the globe, including several NASA spacecraft. The blast, designated SN 2014J, occurred in the galaxy M82 and lies only about 12 million light-years away. This makes it the nearest optical supernova in two decades and potentially the closest type Ia supernova to occur during the life of currently operating space missions.
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ScienceDaily: Astronomy News

ScienceDaily: Astronomy News

River of hydrogen flowing through space observed

Posted: 27 Jan 2014 01:44 PM PST

Astronomers have discovered what could be a never-before-seen river of hydrogen flowing through space. This very faint, very tenuous filament of gas is streaming into the nearby galaxy NGC 6946 and may help explain how certain spiral galaxies keep up their steady pace of star formation.

Solving a 30-year-old problem in massive star formation

Posted: 27 Jan 2014 11:17 AM PST

Astrophysicists have found evidence strongly supporting a solution to a long-standing puzzle about the birth of some of the most massive stars in the universe. Young massive stars shine brightly in the ultraviolet, heating the gas around them, and it has long been a mystery why the hot gas doesn't explode outwards. Now, observations have confirmed predications that as the gas cloud collapses, it forms dense filamentary structures that absorb the star's ultraviolet radiation.

Exceptionally close stellar explosion discovered

Posted: 27 Jan 2014 06:32 AM PST

An exceptionally close stellar explosion discovered on Jan. 21 has become the focus of observatories around and above the globe, including several NASA spacecraft. The blast, designated SN 2014J, occurred in the galaxy M82 and lies only about 12 million light-years away. This makes it the nearest optical supernova in two decades and potentially the closest type Ia supernova to occur during the life of currently operating space missions.
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ScienceDaily: Stars News

ScienceDaily: Stars News

Solving a 30-year-old problem in massive star formation

Posted: 27 Jan 2014 11:17 AM PST

Astrophysicists have found evidence strongly supporting a solution to a long-standing puzzle about the birth of some of the most massive stars in the universe. Young massive stars shine brightly in the ultraviolet, heating the gas around them, and it has long been a mystery why the hot gas doesn't explode outwards. Now, observations have confirmed predications that as the gas cloud collapses, it forms dense filamentary structures that absorb the star's ultraviolet radiation.

Exceptionally close stellar explosion discovered

Posted: 27 Jan 2014 06:32 AM PST

An exceptionally close stellar explosion discovered on Jan. 21 has become the focus of observatories around and above the globe, including several NASA spacecraft. The blast, designated SN 2014J, occurred in the galaxy M82 and lies only about 12 million light-years away. This makes it the nearest optical supernova in two decades and potentially the closest type Ia supernova to occur during the life of currently operating space missions.
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ScienceDaily: Nebulae News

ScienceDaily: Nebulae News

Solving a 30-year-old problem in massive star formation

Posted: 27 Jan 2014 11:17 AM PST

Astrophysicists have found evidence strongly supporting a solution to a long-standing puzzle about the birth of some of the most massive stars in the universe. Young massive stars shine brightly in the ultraviolet, heating the gas around them, and it has long been a mystery why the hot gas doesn't explode outwards. Now, observations have confirmed predications that as the gas cloud collapses, it forms dense filamentary structures that absorb the star's ultraviolet radiation.
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ScienceDaily: Cosmic Rays News

ScienceDaily: Cosmic Rays News

Exceptionally close stellar explosion discovered

Posted: 27 Jan 2014 06:32 AM PST

An exceptionally close stellar explosion discovered on Jan. 21 has become the focus of observatories around and above the globe, including several NASA spacecraft. The blast, designated SN 2014J, occurred in the galaxy M82 and lies only about 12 million light-years away. This makes it the nearest optical supernova in two decades and potentially the closest type Ia supernova to occur during the life of currently operating space missions.
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Sunday, January 26, 2014

ScienceDaily: Stars News

ScienceDaily: Stars News

Formation site of a giant planetary system

Posted: 17 Jan 2014 06:04 AM PST

A team of Japanese astronomers has obtained firm evidence of formation of a giant planetary system around a young star. This result has a transformative impact on the theories of planet formation and gives us a clue to the origin of a wide variety of planetary systems.
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ScienceDaily: Astronomy News

ScienceDaily: Astronomy News

Interplanetary dust particles could deliver water and organics to jump-start life on Earth

Posted: 24 Jan 2014 01:12 PM PST

Researchers have discovered that interplanetary dust particles could deliver water and organics to the Earth and other terrestrial planets. "It is a thrilling possibility that this influx of dust has acted as a continuous rainfall of little reaction vessels containing both the water and organics needed for the eventual origin of life on Earth and possibly Mars," said Hope Ishii, study co-author.

Formation site of a giant planetary system

Posted: 17 Jan 2014 06:04 AM PST

A team of Japanese astronomers has obtained firm evidence of formation of a giant planetary system around a young star. This result has a transformative impact on the theories of planet formation and gives us a clue to the origin of a wide variety of planetary systems.
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ScienceDaily: Extrasolar Planets News

ScienceDaily: Extrasolar Planets News

Formation site of a giant planetary system

Posted: 17 Jan 2014 06:04 AM PST

A team of Japanese astronomers has obtained firm evidence of formation of a giant planetary system around a young star. This result has a transformative impact on the theories of planet formation and gives us a clue to the origin of a wide variety of planetary systems.
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Saturday, January 25, 2014

ScienceDaily: Astronomy News

ScienceDaily: Astronomy News

Mars could have supported life: Ten years on Mars leads to livable mud

Posted: 24 Jan 2014 06:37 AM PST

Some of the oldest minerals ever analyzed by NASA's Mars Opportunity Rover show that around four billion years ago Mars had liquid water so fresh it could have supported life.
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Friday, January 24, 2014

NASA Instruments on European Comet Spacecraft Begin Activation Countdown

LATEST NEWS
NASA Instruments on European Comet Spacecraft Begin Countdown
Three NASA science instruments are being prepared for check-out operations aboard the European Space Agency's Rosetta spacecraft, which is set to become the first to orbit a comet and land a probe on its nucleus in November.

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ScienceDaily: Astronomy News

ScienceDaily: Astronomy News

Galaxies on FIRE: Star feedback results in less massive galaxies

Posted: 22 Jan 2014 12:39 PM PST

For decades, astrophysicists have encountered a contradiction: although many galactic-wind models -- simulations of how matter is distributed in our universe -- predict that most matter exists in stars at the center of galaxies, in actuality these stars account for less than 10 percent of the matter in the universe. New simulations offer insight into this mismatch between the models and reality: energy released by individual stars can have a substantial effect on where matter ends up.

Bright star reveals new Neptune-size exoplanet

Posted: 22 Jan 2014 10:40 AM PST

A team of astronomers has discovered a new exoplanet, christened Kepler-410A b. The planet is about the size of Neptune and orbits the brightest star in a double star system 425 light years from Earth.
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