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Science

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Northern Arizona University, NAU, Mars Odyssey, Mars exploration, MARS, Christopher Edwards, Water

NAU Researcher Discovers Little Present-Day Water on Mars

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Data gathered by the Mars Odyssey spacecraft shows no more than three percent water, the same as or less than the driest deserts on Earth.

Science

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astronomy & astrophysics, Space And Planetary Science

Milky Way Had a Blowout Bash 6 Million Years Ago

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The center of the Milky Way galaxy is currently a quiet place where a supermassive black hole slumbers, only occasionally slurping small sips of hydrogen gas. But it wasn't always this way. A new study shows that 6 million years ago, when the first human ancestors known as hominins walked the Earth, our galaxy's core blazed forth furiously. The evidence for this active phase came from a search for the galaxy's missing mass.

Medicine

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Astrobiology, Exoplanet, exoplanetary atmospheres, Proxima Centauri b

New Discovery Proxima B Is in Host Star's Habitable Zone — but Could It Really Be Habitable?

The world's attention is now on Proxima Centauri b, a possibly Earth-like planet orbiting the closest star, 4.22 light-years away. The planet's orbit is just right to allow liquid water on its surface, needed for life. But could it in fact be habitable? If so, the planet evolved very different than Earth, say researchers at the University of Washington-based Virtual Planetary Laboratory where astronomers, geophysicists, climatologists, evolutionary biologists and others team to study how distant planets might host life.

Science

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Astrophyics, Proxima Centauri, Proxima Centauri b, habitable zone, Physics & Astronomy, Weizmann Institute Of Science

Earth-Mass Planet Right Next Door

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A potentially habitable planet – Proxima Centauri b – has been found virtually next door to Earth: about four light years away. The Weizmann Institute’s Dr. Aviv Ofir is a member of the “Pale Red Dot” project; the team found that the new planet may have balmy temperatures and liquid water, albeit a fast orbit. Can it host life? Further research is underway.

Science

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Space And Planetary Science, Dark Matter

Scientists Discover a ‘Dark’ Milky Way

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Using the world’s most powerful telescopes, an international team of astronomers has found a massive galaxy that consists almost entirely of dark matter.

Science

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Astronomy, Proxima Centauri b, Proxima Centauri, Planets, Exoplanet

University of Delaware Expert Discusses Prospects of Life on Newly Discovered Planet

Sally Dodson-Robinson, a Physics and Astronomy professor at the University of Delaware, discusses the key differences between sunlike stars and the M dwarf that the newly discovered Proxima b is orbiting. Those and other factors are crucial to whether there could be life on the planet.

Science

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Alma, debris disk, Planet Formation

ALMA Finds Unexpected Trove of Gas Around Larger Stars

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Astronomers using ALMA surveyed dozens of young stars – some Sun-like and others approximately double that size – and discovered that the larger variety have surprisingly rich reservoirs of carbon monoxide gas in their debris disks. In contrast, the lower-mass, Sun-like stars have debris disks that are virtually gas-free.

Science

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Proxima Centauri b, Exoplanet

Re Proxima Centauri b: Terry Oswalt (Embry-Riddle Aeronautical University)

Science

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Astrophysics, Dark Matter, LIGO, Primordial Black Holes, Fast Radio Burst , Canadian Hydrogen Intensity Mapping Experiment, Black Hole

Can One Cosmic Enigma Help Solve Another?

Astrophysicists have proposed a clever new way of shedding light on the mystery of dark matter, believed to make up most of the universe. The irony is they want to try to pin down the nature of this unexplained phenomenon by using another, a cosmic emanation known as “fast radio bursts.”

Science

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Astronomy, Flare Star, Planets, Proxima Centauri, Stars, Habitable Zones

Forget the Moon. Future Travel Plans Could Include Trips to Proxima Centauri, Says Cornell Astronomer

Science

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Planet Found in Habitable Zone Around Nearest Star

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Astronomers using ESO telescopes and other facilities have found clear evidence of a planet orbiting the closest star to Earth, Proxima Centauri. The long-sought world, designated Proxima b, orbits its cool red parent star every 11 days and has a temperature suitable for liquid water to exist on its surface. This rocky world is a little more massive than the Earth and is the closest exoplanet to us — and it may also be the closest possible abode for life outside the Solar System. A paper describing this milestone finding will be published in the journal Nature on 25 August 2016.

Science

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Funneling Fundamental Particles, Neutrino Experiments, Physicists Discover 'Apparent Departure From the Laws of Thermodynamics', and More in the Physics News Source Sponsored by AIP

Click here to go directly to the Physics News Source Sponsored by AIP.

Science

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Geology & soil, Geophyscics, Gravity, Hydrology & water resources, planets and moon, Space And Planetary Science

Fossilized Rivers Suggest Warm, Wet Ancient Mars

Extensive systems of fossilised riverbeds have been discovered on an ancient region of the Martian surface, supporting the idea that the now cold and dry Red Planet had a warm and wet climate about 4 billion years ago, according to UCL-led research.

Science

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Hawking, Black Hole, Gravity

Can Sound Waves Stand in for Light as an Analog to Hawking Radiation?

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Science

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Space And Planetary Science

RIT Undergraduates Build Star-Tracking Instrument for NASA Research Rockets

Rochester Institute of Technology undergraduates are making a “compass” for rockets using a new kind of detector technology. The instrument will fly on a NASA technology demonstration mission later this year.

Science

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Geophyscics, Space And Planetary Science

A New Goldilocks for Habitable Planets

New Haven, Conn. - The search for habitable, alien worlds needs to make room for a second "Goldilocks," according to a Yale University researcher.

Science

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The Comet That Disappeared: What Happened to Ison?

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New study suggests the comet broke up before reaching the Sun

Science

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nuclear detonation detection, Global Burst Detection system, GPS

Looking From Space for Nuclear Detonations

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Sandia National Laboratories, which has been in the business of nuclear detonation detection for more than 50 years, is working on the next generation system.

Science

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astronomy & astrophysics, planets and moon, Space, Planetary Science

Venus-Like Exoplanet Might Have Oxygen Atmosphere, but Not Life

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The distant planet GJ 1132b intrigued astronomers when it was discovered last year. Located just 39 light-years from Earth, it might have an atmosphere despite being baked to a temperature of around 450 degrees Fahrenheit. But would that atmosphere be thick and soupy or thin and wispy? New research suggests the latter is much more likely.

Science

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Black Holes, Universe

Black Holes Are Ubiquitous

Kennesaw State University Assistant Professor of Physics David Garofalo is an expert on black holes and can answer reporter's questions about these.







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