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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: Fri, 28 Jul 2017 02:45:01 EDT

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



NASA-NOAA satellite spots Tropical Storm Nesat being sheared

Thu, 27 Jul 2017 00:00:00 EDT

(NASA/Goddard Space Flight Center) NASA-NOAA's Suomi NPP satellite captured an image of Tropical Storm Nesat being affected by vertical wind shear as it parallels the east coast of the Philippines.



'Dark ecology project' will use past weather radar data to trace bird migrations

Thu, 27 Jul 2017 00:00:00 EDT

(University of Massachusetts at Amherst) Every spring and fall, billions of birds migrate across the United States, largely unseen under the cover of darkness. Now a team of researchers led by computer scientist Daniel Sheldon at the University of Massachusetts Amherst plan to develop new analytic methods with data collected over the past 20 years -- more than 200 million archived radar scans from the national weather radar network -- to provide powerful new tools for tracking migration.



NASA's Aqua satellite catches Typhoon Noru's 10 mile-wide eye

Thu, 27 Jul 2017 00:00:00 EDT

(NASA/Goddard Space Flight Center) NASA's Aqua satellite provided a look at the eye of Typhoon Noru as it continued to track west in the Northwestern Pacific Ocean. The eye appeared to be about 10 nautical miles wide in satellite imagery.



Satellite shows some shear in Hurricane Hilary

Thu, 27 Jul 2017 00:00:00 EDT

(NASA/Goddard Space Flight Center) NOAA's GOES-West satellite revealed that vertical wind shear is affecting Hurricane Hilary.



NASA casts an infrared eye on Tropical Storm Irwin

Thu, 27 Jul 2017 00:00:00 EDT

(NASA/Goddard Space Flight Center) Infrared imagery from NASA looked at cloud top temperatures in Tropical Storm Irwin and found the strongest storms in the system were west of its low-level center.



Academies announce winners of 2017 Communication Awards

Thu, 27 Jul 2017 00:00:00 EDT

(National Academies of Sciences, Engineering, and Medicine) The National Academies of Sciences, Engineering, and Medicine announced today the recipients of the 2017 Communication Awards. Supported by the W.M. Keck Foundation since 2003 as part of the Keck Futures Initiative, these prestigious awards -- each of which includes a $20,000 prize -- recognize excellence in reporting and communicating science, engineering, and medicine to the general public. The winners will be honored during a ceremony on Sept. 13 in Washington, D.C.



Galactic David and Goliath

Thu, 27 Jul 2017 00:00:00 EDT

(ESA/Hubble Information Centre) The gravitational dance between two galaxies in our local neighbourhood has led to intriguing visual features in both as witnessed in this new NASA/ESA Hubble Space Telescope image. The tiny NGC 1510 and its colossal neighbour NGC 1512 are at the beginning of a lengthy merger, a crucial process in galaxy evolution. Despite its diminutive size, NGC 1510 has had a significant effect on NGC 1512's structure and amount of star formation.



Astrophysicists map out the light energy contained within the Milky Way

Thu, 27 Jul 2017 00:00:00 EDT

(Royal Astronomical Society) For the first time, a team of scientists have calculated the distribution of all light energy contained within the Milky Way, which will provide new insight into the make-up of our galaxy and how stars in spiral galaxies such as ours form. The study is published in the journal Monthly Notices of the Royal Astronomical Society.



A tale of three stellar cities

Thu, 27 Jul 2017 00:00:00 EDT

(ESO) Using new observations from ESO's VLT Survey Telescope, astronomers have discovered three different populations of baby stars within the Orion Nebula Cluster. This unexpected discovery adds very valuable new insights for the understanding of how such clusters form. It suggests that star formation might proceeds in bursts, where each burst occurs on a much faster time-scale than previously thought.



NASA's Terra Satellite catches the end of Tropical Depression Kulap

Wed, 26 Jul 2017 00:00:00 EDT

(NASA/Goddard Space Flight Center) NASA's Terra satellite passed over Tropical Depression Kulap as the storm was winding down in the Northwestern Pacific Ocean. Strong wind shear was affecting the storm as a result of nearby Typhoon Noru.



Satellite sees Tropical Depression Greg as a ghostly swirl of clouds

Wed, 26 Jul 2017 00:00:00 EDT

(NASA/Goddard Space Flight Center) Tropical Depression Greg appears as a ghostly swirl of low clouds on satellite imagery from NOAA's GOES-West satellite on July 27.



Using powerful Dark Energy Camera, scientists reach the cosmic dawn

Wed, 26 Jul 2017 00:00:00 EDT

(Arizona State University) Arizona State University astronomers Sangeeta Malhotra and James Rhoads, working with international teams in Chile and China, have discovered 23 young galaxies, seen as they were 800 million years after the Big Bang. The results from this sample have been recently published in the Astrophysical Journal.



Investigation tests new methods of water recycling in space

Wed, 26 Jul 2017 00:00:00 EDT

(NASA/Johnson Space Center) The Capillary Structures investigation uses capillary action, or the ability for a liquid to flow through a narrow spaces, such as small tubes, to move liquids and gases in microgravity, a task that can't be tested in Earth's gravity environment.



NASA sees newly formed Tropical Storm Nesat near Philippines

Wed, 26 Jul 2017 00:00:00 EDT

(NASA/Goddard Space Flight Center) Tropical Storm Nesat formed early on July 26 just east of the Philippines and NASA's Aqua satellite passed overhead gathering temperature data to determine the location of the most powerful storms. Imagery showed strong storms from Nesat's western side were affecting the central Philippines.



NASA watching Typhoon Noru head west in Northwestern Pacific

Wed, 26 Jul 2017 00:00:00 EDT

(NASA/Goddard Space Flight Center) NASA's Aqua satellite provided a near-infrared look at Typhoon Noru as it continued its western track at sea, far to the southeast of Japan.



This week from AGU: Researchers uncover 200-year-old sunspot drawings in Maine

Wed, 26 Jul 2017 00:00:00 EDT

(American Geophysical Union) This week from AGU is a compilation of recent publications featuring research published in an AGU journal.



NASA eyes compact Hurricane Hilary

Wed, 26 Jul 2017 00:00:00 EDT

(NASA/Goddard Space Flight Center) When the NASA-NOAA Suomi NPP satellite passed over the Eastern Pacific Ocean on July 25 it captured a visible close-up of Hurricane Hilary.



UMass Amherst astronomer receives Fulbright Scholar Award for studies in South Africa

Wed, 26 Jul 2017 00:00:00 EDT

(University of Massachusetts at Amherst) Beginning in September, Katz will embark upon a series of three visits lasting a few months each to work with colleagues at the University of Cape Town, the University of the Western Cape and the South African Astronomical Observatory to create computer simulations modeling galaxy formation. They will also build a large new array of radio telescopes to detect hydrogen in distant galaxies. The Fulbright award will pay for his travel and local support in Cape Town.



NASA sees Irwin before it weakened to a Tropical Storm

Wed, 26 Jul 2017 00:00:00 EDT

(NASA/Goddard Space Flight Center) Irwin was still a hurricane when the NASA-NOAA Suomi NPP satellite passed over the Eastern Pacific Ocean on July 25. Eighteen hours later, Irwin weakened to a tropical storm.



Massive star's dying blast caught by rapid-response telescopes

Wed, 26 Jul 2017 00:00:00 EDT

(Arizona State University) A blast of gamma rays from space detected in June 2016 is helping astronomers resolve long-standing questions about the universe's most powerful explosions.



Milky Way's origins are not what they seem

Wed, 26 Jul 2017 00:00:00 EDT

(Northwestern University) In a first-of-its-kind analysis, Northwestern University astrophysicists have discovered that up to half of the matter in our Milky Way galaxy may come from distant galaxies. As a result, each one of us may be made in part from extragalactic matter. Using supercomputer simulations, the researchers found an unexpected mode for how galaxies acquired matter: intergalactic transfer. Supernova explosions eject copious amounts of gas from galaxies, causing atoms to be transported from one galaxy to another via powerful galactic winds.



Gamma-ray burst captured in unprecedented detail

Wed, 26 Jul 2017 00:00:00 EDT

(University of Maryland) Using a wide array of ground- and space-based telescope observations, an international team led by University of Maryland astronomers constructed one of the most detailed descriptions of a gamma-ray burst to date. The event, named GRB160625B, revealed key details about the initial "prompt" phase of gamma-ray bursts and the evolution of the large jets of matter and energy that form as a result of the burst.



Large, distant comets more common than previously thought

Tue, 25 Jul 2017 00:00:00 EDT

(University of Maryland) A team of astronomers led by James Bauer, a research professor of astronomy at the University of Maryland, found that there are about seven times more long-period comets measuring at least 1 kilometer across than previously predicted. The researchers also found that long-period comets are, on average, nearly twice as large as 'Jupiter family' comets, whose orbits are shaped by Jupiter's gravity and have periods of less than 20 years.



NASA spots a waning Tropical Depression Kulap

Tue, 25 Jul 2017 00:00:00 EDT

(NASA/Goddard Space Flight Center) Kulap is now a tropical depression moving through the Northwestern Pacific Ocean, and NASA-NOAA's Suomi NPP satellite captured a visible light image of the diminishing storm.



NASA's infrared view ofpPowerful storms surrounding Typhoon Noru's eye

Tue, 25 Jul 2017 00:00:00 EDT

(NASA/Goddard Space Flight Center) NASA's Aqua satellite passed over Tropical Cyclone Noru and gathered infrared data on the cloud top temperatures which gave forecasters an idea of the powerful thunderstorms circling the eye.