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February 21, 2017
STELLAR CHEMISTRY
Scientists estimate solar nebula's lifetime



Upton NY (SPX) Feb 17, 2017
About 4.6 billion years ago, an enormous cloud of hydrogen gas and dust collapsed under its own weight, eventually flattening into a disk called the solar nebula. Most of this interstellar material contracted at the disk's center to form the sun, and part of the solar nebula's remaining gas and dust condensed to form the planets and the rest of our solar system. Now scientists from MIT and their colleagues have estimated the lifetime of the solar nebula - a key stage during which much of the solar syste ... read more

EXO WORLDS
New planet imager delivers first science at Keck
A new device on the W.M. Keck Observatory in Hawaii has delivered its first images, showing a ring of planet-forming dust around a star, and separately, a cool, star-like body, called a brown dwarf, ... more
SATURN DAILY
Close views show Saturn's Rings in unprecedented detail
Newly released images showcase the incredible closeness with which NASA's Cassini spacecraft, now in its "Ring-Grazing" orbits phase, is observing Saturn's dazzling rings of icy debris. The vi ... more
ROBO SPACE
NASA develops AI for future exploration of extraterrestrial subsurface oceans
NASA is developing technology which could enable autonomous navigation of future underwater drones studying subsurface oceans on icy moons like Jupiter's Europa. The agency is working on artificial ... more
SATURN DAILY
Cassini captures stunning view of Saturn moon Daphnis
The wavemaker moon, Daphnis, is featured in this view, taken as NASA's Cassini spacecraft made one of its ring-grazing passes over the outer edges of Saturn's rings on Jan. 16, 2017. This is the clo ... more
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The Humans to Mars Summit 2018 - George Washington University - Washington May 8-10, 2018
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SATURN DAILY
Catching Cassini's call
This week, ESA deep-space radio dishes on two continents are listening for signals from the international Cassini spacecraft, now on its final tour of Saturn. ESA's sensitive tracking antennas at Ne ... more
SATURN DAILY
Huygens: 'Ground Truth' From an Alien Moon
After a two-and-a-half-hour descent, the metallic, saucer-shaped spacecraft came to rest with a thud on a dark floodplain covered in cobbles of water ice, in temperatures hundreds of degrees below f ... more
ROCKET SCIENCE
NASA testing SLS for transonic behavior
Tucked away in Hampton, Virginia, is a 56-year-old NASA wind tunnel capable of generating winds speeds of up to 900 miles per hour. In its lifetime, the Transonic Dynamics Tunnel has hosted hundreds ... more
SATURN DAILY
NASA image showcases Saturn's sun-soaked north pole
Cassini is now ring-grazing, but its orbital path earlier this year sent the NASA probe high above Saturn's north pole. In late September, the vantage revealed the pole fully illuminated by the sun's rays. ... more
SATURN DAILY
Cassini offers a crash course in ring world orbital mechanics
It may look as though Saturn's moon Mimas is crashing through the rings in this image taken by NASA's Cassini spacecraft, but Mimas is actually 28,000 miles (45,000 kilometers) away from the rings. ... more
EXO WORLDS
ALMA finds compelling evidence for pair of infant planets around young star
Astronomers now know that our galaxy is teeming with planets, from rocky worlds roughly the size of Earth to gas giants bigger than Jupiter. Nearly every one of these exoplanets has been discovered ... more


Rings around young star suggest planet formation in progress

SATURN DAILY
Saturn's bulging core implies moons younger than thought
Freshly harvested data from NASA's Cassini mission reveals that the ringed planet's moons may be younger than previously thought. "All of these Cassini mission measurements are changing our view of ... more
SATURN DAILY
Cassini Beams Back First Images from New Orbit
NASA's Cassini spacecraft has sent to Earth its first views of Saturn's atmosphere since beginning the latest phase of its mission. The new images show scenes from high above Saturn's northern hemis ... more
SATURN DAILY
Cassini Makes First Ring-Grazing Plunge
NASA's Saturn-orbiting Cassini spacecraft has made its first close dive past the outer edges of Saturn's rings since beginning its penultimate mission phase on Nov. 30. Cassini crossed through the p ... more
SATURN DAILY
NASA Saturn Mission Prepares for 'Ring-Grazing Orbits'
A thrilling ride is about to begin for NASA's Cassini spacecraft. Engineers have been pumping up the spacecraft's orbit around Saturn this year to increase its tilt with respect to the planet's equa ... more

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Researchers pinpoint watery past on Mars
Researchers from Trinity College Dublin have discovered a patch of land in an ancient valley on Mars that appears to have been flooded by water in the not-too-distant past. In doing so, they have pinpointed a prime target to begin searching for past life forms on the Red Planet. The findings have just been published in Geophysical Research Letters, by Dr Mary Bourke from Trinity, and her c ... more
Scientists say Mars valley was flooded with water not long ago

Opportunity leaving crater rim for the Plains of Meridiani

Opportunity passes 44 kilometers of surface travel after 13 years

India Takes Russian Help to Analyze Chemical Composition of Lunar Surface
ISRO has started a series of ground tests for testing the performance of sensors and actuators for soft landing of the Lander on the lunar surface. India Space Research Organization (ISRO) has selected Russian company JSC Isotope for supply of Radionuclide curium-244 (Cm-244) that enables sources to determine chemical composition of any rocks and soils. "Supplied by JSC Isotope sourc ... more
Complete Lunar-cy: The Earth Has Sprayed the Moon With Oxygen for Billennia

Private Space Race Heats Up, Moon Landing Expected in Late 2017

LunaH-Map CubeSat to map the Moon's water deposits

Close views show Saturn's Rings in unprecedented detail
Newly released images showcase the incredible closeness with which NASA's Cassini spacecraft, now in its "Ring-Grazing" orbits phase, is observing Saturn's dazzling rings of icy debris. The views are some of the closest-ever images of the outer parts of the main rings, giving scientists an eagerly awaited opportunity to observe features with names like "straw" and "propellers." Altho ... more
Cassini captures stunning view of Saturn moon Daphnis

Catching Cassini's call

Huygens: 'Ground Truth' From an Alien Moon

China to launch first high-throughput communications satellite in April
China plans to launch Shijian-13, its first high-throughput communications satellite, in April, the China Academy of Space Technology (CAST) said Friday. The 4.6-tonne satellite, with a message capacity of more than 20 GB, will be carried into orbit by a Long March-3B carrier rocket, according to the CAST. An increase in satellite throughput will provide better access to the Internet ... more
Chinese cargo spacecraft set for liftoff in April

China looks to Mars, Jupiter exploration

China's first cargo spacecraft to leave factory

Juno to remain in current orbit at Jupiter
NASA's Juno mission to Jupiter, which has been in orbit around the gas giant since July 4, 2016, will remain in its current 53-day orbit for the remainder of the mission. This will allow Juno to accomplish its science goals, while avoiding the risk of a previously-planned engine firing that would have reduced the spacecraft's orbital period to 14 days. "Juno is healthy, its science instrum ... more
NASA receives science report on Europa lander concept

New Horizons Refines Course for Next Flyby

It's Never 'Groundhog Day' at Jupiter

Hunting for runaway worlds
Arizona State University astronomer Adam Schneider and his colleagues are hunting for an elusive object lost in space between our sun and the nearest stars. They are asking for your help in the search, using a new citizen-science website called Backyard Worlds: Planet 9. Astronomers have found evidence for a ninth planet in our solar system. The evidence comes from studying the orbits of o ... more
NASA to host news conference on discovery beyond our solar system

60,000-year-old microbes found in Mexican mine: NASA scientist

Exoplanetary moons formed by giant impacts could be detected by Kepler

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First Light for Breakthrough Listen at Parkes Telescope
Breakthrough Listen, the 10-year, $100-million astronomical search for intelligent life beyond Earth launched in 2015 by Internet entrepreneur Yuri Milner and Stephen Hawking, has announced its first observations using the Parkes Radio Telescope in New South Wales, Australia. Parkes joins the Green Bank Telescope (GBT) in West Virginia, USA, and the Automated Planet Finder (APF) at Lick Ob ... more
Search for ET underway with Parkes Radio Telescope

Breakthrough Listen to Search for Intelligent Life Around Tabby's Star

New bacteria groups, and stunning diversity, discovered underground

NASA to launch sequel to successful Lightning Study Mission
A hit Hollywood film often leads to a sequel. Sometimes those movies do well, but rarely will they eclipse the original. Undaunted by those odds, NASA is set to reboot a successful study of Earth's lightning from space - this time from the unique vantage point of the International Space Station (ISS). A team of Earth scientists at NASA's Marshall Space Flight Center in Huntsville, Alabama, ... more
Sentinel-2 teams prepare for space

Earth Science on the Space Station continues to grow

Ancient Judea jars reveal earth's magnetic field is fluctuating, not diminishing

Black hole is producing its own fuel for star-making
The Phoenix cluster is an enormous accumulation of about 1,000 galaxies, located 5.7 billion light years from Earth. At its center lies a massive galaxy, which appears to be spitting out stars at a rate of about 1,000 per year. Most other galaxies in the universe are far less productive, squeaking out just a few stars each year, and scientists have wondered what has fueled the Phoenix cluster's ... more
Black-hole-powered jets forge fuel for star formation

A new technique for creation of entangled photon states developed

Molecular phenomenon discovered by advanced NMR facility

International SMR and Advanced Reactor Summit 2018 - March 27-28 - Atlanta USA
Extraterrestrial impact preceded ancient global warming event
A comet strike may have triggered the Paleocene-Eocene Thermal Maximum (PETM), a rapid warming of the Earth caused by an accumulation of atmospheric carbon dioxide 56 million years ago, which offers analogs to global warming today. Sorting through samples of sediment from the time period, researchers at Rensselaer Polytechnic Institute discovered evidence of the strike in the form of micro ... more
Scientists use Moon to study dinosaur killer

At the Jersey shore, signs of a comet, and a climate crisis

Research supports idea that moon was created by object hitting infant Earth

SwRI scientist studies geology of Ceres to understand origin of organics
NASA's Dawn spacecraft recently detected organic-rich areas on Ceres. Scientists evaluated the geology of the regions to conclude that the organics are most likely native to the dwarf planet. Data from the spacecraft suggest that the interior of Ceres is the source of these organic materials, as opposed to arriving via impacting asteroids or comets, according to a paper published in the Feb. 17, ... more
Arecibo Observatory captures revealing images of Comet 45P/Honda-Mrkos-Pajdusakova

Minor planet named Bernard

Asteroid resembles dungeons and dragons dice

Descent into a Frozen Underworld
Mt. Erebus is at the end of our world - and offers a portal to another. It's our planet's southernmost active volcano, reaching 12,448 feet (3,794 meters) above Ross Island in Antarctica. Temperatures at the surface are well below freezing most of the year, but that doesn't stop visits from scientists: Erebus is also one of the few volcanoes in the world with an exposed lava lake. You can peer o ... more
New pathway for Greenland meltwater to reach ocean identified

Local weather impacts melting of one of Antarctica's fastest-retreating glaciers

Arctic cultures take climate fight to Berlin film fest

China to launch first high-throughput communications satellite in April
China plans to launch Shijian-13, its first high-throughput communications satellite, in April, the China Academy of Space Technology (CAST) said Friday. The 4.6-tonne satellite, with a message capacity of more than 20 GB, will be carried into orbit by a Long March-3B carrier rocket, according to the CAST. An increase in satellite throughput will provide better access to the Internet ... more
Chinese cargo spacecraft set for liftoff in April

China looks to Mars, Jupiter exploration

China's first cargo spacecraft to leave factory

Daily Newsletters - Space - Military - Environment - Energy
Descent into a Frozen Underworld
Mt. Erebus is at the end of our world - and offers a portal to another. It's our planet's southernmost active volcano, reaching 12,448 feet (3,794 meters) above Ross Island in Antarctica. Temperatures at the surface are well below freezing most of the year, but that doesn't stop visits from scientists: Erebus is also one of the few volcanoes in the world with an exposed lava lake. You can peer o ... more
New pathway for Greenland meltwater to reach ocean identified

Local weather impacts melting of one of Antarctica's fastest-retreating glaciers

Arctic cultures take climate fight to Berlin film fest

Close views show Saturn's Rings in unprecedented detail
Newly released images showcase the incredible closeness with which NASA's Cassini spacecraft, now in its "Ring-Grazing" orbits phase, is observing Saturn's dazzling rings of icy debris. The views are some of the closest-ever images of the outer parts of the main rings, giving scientists an eagerly awaited opportunity to observe features with names like "straw" and "propellers." Altho ... more
Cassini captures stunning view of Saturn moon Daphnis

Catching Cassini's call

Huygens: 'Ground Truth' From an Alien Moon



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