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Preview: EurekAlert! - Space and Planetary Science

EurekAlert! - Space and Planetary Science



The premier online source for science news since 1996. A service of the American Association for the Advancement of Science.



Last Build Date: Sun, 30 Apr 2017 21:45:01 EDT

Copyright: Copyright 2017 American Association for the Advancement of Science (AAAS); All rights reserved.
 



NASA selects ASU's 'ShadowCam' to fly on Korea Pathfinder lunar orbiter

Fri, 28 Apr 2017 00:00:00 EDT

(Arizona State University) NASA has selected an instrument developed by Mark Robinson of ASU's School of Earth and Space Exploration (SESE) and Malin Space Science Systems (MSSS) to map the terrain and search for evidence of frost or ice deposits in the Moon's permanently shadowed regions (PSRs).



NASA eyes intensifying Tropical Cyclone Frances

Fri, 28 Apr 2017 00:00:00 EDT

(NASA/Goddard Space Flight Center) Two NASA satellites provided forecasters in Australia with visible and rainfall data as Tropical Cyclone Frances strengthened in the western Timor Sea. NASA's Aqua satellite captured a visible image of the storm that showed a cloud-filled eye, while the Global Precipitation Measurement Mission or GPM core satellite found heaving rainfall occurring.



Hubble's bright shining lizard star

Fri, 28 Apr 2017 00:00:00 EDT

(NASA/Goddard Space Flight Center) The bright object seen in this Hubble image is a single and little-studied star named TYC 3203-450-1, located in the constellation of Lacerta (The Lizard). The star is much closer than the much more distant galaxy.



Astrophysicists discovered a star polluted by calcium

Fri, 28 Apr 2017 00:00:00 EDT

(Lomonosov Moscow State University) An international team of astrophysicists led by a scientist from the Sternberg Astronomical Institute of the Lomonosov Moscow State University reported the discovery of a binary solar-type star inside the supernova remnant RCW 86. Spectroscopic observation of this star revealed that its atmosphere is polluted by heavy elements ejected during the supernova explosion that produced RCW 86.



Medical guidelines for astronauts to be launched in the US

Fri, 28 Apr 2017 00:00:00 EDT

(University of Plymouth) Scientists at the University of Plymouth and Northumbria University, Newcastle, UK, are helping to write the medical rulebook that will keep astronauts fit and healthy during long trips through the solar system. Learning from the rulebook could also inform human health on Earth.



NASA sees vertical wind shear affecting Tropical Storm Muifa

Thu, 27 Apr 2017 00:00:00 EDT

(NASA/Goddard Space Flight Center) Vertical wind shear can weaken a tropical cyclone and that's what's happening to the now weaker Tropical Depression Muifa in the Northwestern Pacific Ocean. NASA gathered rainfall information about the storm as wind shear continued to weaken it.



NASA sees formation of Tropical Storm Frances near Darwin

Thu, 27 Apr 2017 00:00:00 EDT

(NASA/Goddard Space Flight Center) Tropical Storm Frances has formed in the Beagle Gulf, east of the Timor Sea near Darwin, Australia, and NASA's Aqua satellite captured a clear image of the storm.



Augmented reality increases maintenance reliability at a space station

Thu, 27 Apr 2017 00:00:00 EDT

(VTT Technical Research Centre of Finland) An international project led by VTT Technical Research Centre of Finland developed a new augmented reality (AR) tool for the ESA.



Engineers investigate a simple, no-bake recipe to make bricks from Martian soil

Thu, 27 Apr 2017 00:00:00 EDT

(University of California - San Diego) Explorers planning to settle on Mars might be able to turn the planet's soil into bricks without needing to use an oven or additional ingredients. Instead, they would need to apply pressure to compact the soil--the equivalent of a blow from a hammer. These are findings of a study published in Nature Scientific Reports on April 27, 2017. The study was authored by a team of engineers at the University of California San Diego.



First global simulation yields new insights into ring system

Thu, 27 Apr 2017 00:00:00 EDT

(National Institutes of Natural Sciences) A team of researchers in Japan modeled the two rings around Chariklo, the smallest body in the Solar System known to have rings. This is the first time an entire ring system has been simulated using realistic sizes for the ring particles. The simulation revealed that the ring particles are much smaller than predicted or that an undiscovered shepherd satellite around Chariklo is stabilizing the ring.



Ripples in the cosmic web

Thu, 27 Apr 2017 00:00:00 EDT

(University of California - Santa Barbara) A team of astronomers has made the first measurements of small-scale ripples in primeval hydrogen gas using rare double quasars.



From volcano's slope, NASA instrument looks sky high and to the future

Wed, 26 Apr 2017 00:00:00 EDT

(NASA/Goddard Space Flight Center) On the rust-colored north flank of one of Earth's largest volcanoes, a backpack-sized instrument monitors our atmosphere and, at the same time, helps set the stage for possible human exploration of other worlds.



Saturn spacecraft toting CU Boulder instrument starts swan song

Wed, 26 Apr 2017 00:00:00 EDT

(University of Colorado at Boulder) Toting a $12 million instrument built by the University of Colorado Boulder, NASA's Cassini spacecraft made the first of 22 dives between the rings of Saturn and the gaseous planet today, the beginning of the end for one of NASA's most successful missions ever.



NASA satellites see Tropical Storm Muifa in Northwestern Pacific Ocean

Wed, 26 Apr 2017 00:00:00 EDT

(NASA/Goddard Space Flight Center) Tropical Storm Muifa continued to move through the open waters of the Northwestern Pacific Ocean as NASA's Aqua satellite gathered temperature data on the storm.



Scientists propose mechanism to describe solar eruptions of all sizes

Wed, 26 Apr 2017 00:00:00 EDT

(NASA/Goddard Space Flight Center) From long jets to massive explosions of solar material and energy, eruptions on the sun come in many shapes and sizes. Scientists now propose that a universal mechanism can explain the whole spectrum of solar eruptions.



Sequencing the station: Investigation aims to identify unknown microbes in space

Wed, 26 Apr 2017 00:00:00 EDT

(NASA/Johnson Space Center) Building on the ability to sequence DNA in space and previous investigations, Genes in Space-3 is a collaboration to prepare, sequence and identify unknown organisms, entirely from space.



Sun's eruptions might all have same trigger

Wed, 26 Apr 2017 00:00:00 EDT

(Durham University) Large and small scale solar eruptions might all be triggered by a single process, according to new research that leads to better understanding of the sun's activity.



NASA examines newly formed Tropical Depression 3W in 3-D

Tue, 25 Apr 2017 00:00:00 EDT

(NASA/Goddard Space Flight Center) Tropical Depression 03W formed in the Pacific Ocean west of Guam on April 24, 2017, and data from the Global Precipitation Measurement Mission or GPM core satellite was used to look at the storm in 3-D.



New survey hints at exotic origin for the Cold Spot

Tue, 25 Apr 2017 00:00:00 EDT

(Royal Astronomical Society) A supervoid is unlikely to explain a 'Cold Spot' in the cosmic microwave background, according to the results of a new survey, leaving room for exotic explanations like a collision between universes. The researchers, led by postgraduate student Ruari Mackenzie and Professor Tom Shanks in Durham University's Centre for Extragalactic Astronomy, publish their results in Monthly Notices of the Royal Astronomical Society.



SwRI-led team discovers lull in Mars' giant impact history

Tue, 25 Apr 2017 00:00:00 EDT

(Southwest Research Institute) From the earliest days of our solar system's history, collisions between astronomical objects have shaped the planets and changed the course of their evolution. Studying the early bombardment history of Mars, scientists at Southwest Research Institute (SwRI) and the University of Arizona have discovered a 400-million-year lull in large impacts early in Martian history.



Astrophysicists studied the 'rejuvenating' pulsar in a neighboring galaxy

Tue, 25 Apr 2017 00:00:00 EDT

(Lomonosov Moscow State University) The Lomonosov Moscow State University scientists published the results of a study of the unique ultra-slow pulsar XB091D. This neutron star is believed to have captured a companion only a million years ago and since then, has been slowly restoring its rapid rotation. The young pulsar is located in one of the oldest globular star clusters in the Andromeda galaxy, where the cluster may once have been a dwarf galaxy.



Warm winds: New insight into what weakens Antarctic ice shelves

Tue, 25 Apr 2017 00:00:00 EDT

(British Antarctic Survey) New research describes for the first time the role that warm, dry winds play in influencing the behaviour of Antarctic ice shelves.



With $1 million gift, UCI aims to become first university to launch rocket into space

Mon, 24 Apr 2017 00:00:00 EDT

(University of California - Irvine) University of California, Irvine students will 'shoot for the moon' thanks to a $1 million gift from Base 11, a nonprofit STEM workforce development and entrepreneur accelerator. The 'Moonshot Initiative' will establish a rocketry program at The Henry Samueli School of Engineering, with the intent of making UCI the first academic institution to launch a liquid-fuel rocket into space.



NASA's Fermi catches gamma-ray flashes from tropical storms

Mon, 24 Apr 2017 00:00:00 EDT

(NASA/Goddard Space Flight Center) A thousand times a day, thunderstorms around the globe launch fleeting bursts of gamma rays. Now scientists have studied dozens of these events fired off by Earth's biggest weather: tropical storms, hurricanes and typhoons.



NASA's Cassini, Voyager missions suggest new picture of sun's interaction with galaxy

Mon, 24 Apr 2017 00:00:00 EDT

(NASA/Goddard Space Flight Center) New data from three NASA missions show that the heliosphere -- the bubble of the sun's magnetic influence that surrounds the inner solar system -- may be much more compact and rounded than previously thought.