Blog Profile / Physorg: Astronomy


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Filed Under:Academics / Astronomy
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Archived Since:September 5, 2016

Blog Post Archive

Team discovers lull in Mars' giant impact history

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.

Into the submillimeter—the early universe's formation

In order to make sense of our universe, astronomers have to work hard, and they have to push observing technology to the limit. Some of that hard work revolves around what are called sub-millimeter galaxies (SMGs.) SMGs are galaxies that can only be observed in the submillimeter range of the electromagnetic spectrum.

Astrophysicists study 'rejuvenating' pulsar in a neighboring galaxy

Lomonosov Moscow State University scientists published the results of a study of 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. Show More Summary

Astronomers detect dozens of new quasars and galaxies

(Phys.org)—A team of astronomers led by Yoshiki Matsuoka of the National Astronomical Observatory of Japan (NAOJ) has detected a treasure trove of new high-redshift quasars (or quasi-stellar objects) and luminous galaxies. The newly found objects could be very important for our understanding of the early universe. Show More Summary

Image: James Webb Space Telescope mirror seen in full bloom

It's springtime and the deployed primary mirror of NASA's James Webb Space Telescope looks like a spring flower in full bloom.

Image: Titan flyby 22 April 2017

In the early hours of Saturday morning, the international Cassini–Huygens mission made its final close flyby of Saturn's largest moon, Titan, coming within 1000 km of the atmosphere-clad world.

Preliminary results of Breakthrough Listen project released

(Phys.org)—The team of researchers working on the Breakthrough Listen project (affiliated with SETI) has released preliminary findings after sifting through several petabytes of data obtained from three telescopes involved in the research project. Show More Summary

'Celestial Sleuth' credits Messier with discovery 238 years after the fact

The Ring Nebula is one of the most spectacular deep-sky objects in the heavens. It is easily located by backyard astronomers, intensely studied by astrophysicists and relied upon for show-stopping images on countless book covers and calendar pages.

Cassini completes final—and fateful—Titan flyby

NASA's Cassini spacecraft has had its last close brush with Saturn's hazy moon Titan and is now beginning its final set of 22 orbits around the ringed planet.

'Better you than me,' Trump tells record-breaking astronaut

US President Donald Trump congratulated NASA astronaut Peggy Whitson for setting a new space record on Monday, but expressed disdain for a particular rigor of space life—drinking recycled urine.

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

New data from NASA's Cassini mission, combined with measurements from the two Voyager spacecraft and NASA's Interstellar Boundary Explorer, or IBEX, suggests that our sun and planets are surrounded by a giant, rounded system of magnetic...Show More Summary

Jellyfish-shaped galaxy found in Abell 2670 cluster

(Phys.org)—Using the Multi Unit Spectroscopic Explorer (MUSE), astronomers have identified a new elliptical jellyfish-like galaxy in the Abell 2670 cluster. The newly detected galaxy showcases spectacular one-sided tails of gas and young stars, which indicates intense ram-pressure stripping. The findings were presented Apr. 18 in a paper published on the arXiv pre-print server.

Ancient stone pillars offer clues of comet strike that changed human history

(Phys.org)—A team of researchers with the University of Edinburgh has found what they describe as evidence of a comet striking the Earth at approximately the same time as the onset of the Younger Dryas in carvings on an ancient stone pillar in southern Turkey. The group has published their findings in the journal Mediterranean Archaeology and Archaeometry.

Cassini mission revealed Saturn's secrets

Cassini is the most sophisticated space probe ever built. Launched in 1997 as a joint NASA/European Space Agency mission, it took seven years to journey to Saturn. It's been orbiting the sixth planet from the sun ever since, sending back data of immense scientific value and images of magnificent beauty.

Video: Earth as a planet

Earth is the largest rocky planet in our Solar System, and the only body we know of capable of supporting life. With so much news about exoplanets dominating the headlines, in this episode of Space we take a step back to take a look at Earth as a planet.

A black hole in a low mass X-ray binary

A globular cluster is a roughly spherical ensemble of stars (as many as several million) that are gravitationally bound together, and typically located in the outer regions of galaxies. Low mass X-ray binary stars (LMXBs) are systems in which one star is compact (a neutron star or black hole) and is accreting matter from a companion star.

Supply ship named for John Glenn arrives at space station

A supply ship bearing John Glenn's name arrived at the International Space Station on Saturday.

SpaceX's next launch to mark start of new era

An upcoming launch of a government spy satellite for the National Reconnaissance Office will mark the first time the U.S. Department of Defense has used SpaceX for a mission.

China's first cargo spacecraft docks with space lab

China's first cargo spacecraft, Tianzhou-1, successfully completed docking with an orbiting space lab on Saturday, the Beijing Aerospace Control Center said.

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