(Phys.org) —In the nearly six decades since quasars were discovered, the list of these energetic galaxies powered by supermassive black holes has grown to more than 100,000 – enough examples to reveal important information ...
Astronomy
Apr 18, 2013
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When you look at the night sky, you see stars, a few planets, and perhaps even the Milky Way's spangled belt stretched across the middle.
Astronomy
Apr 16, 2013
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(Phys.org) —An undergraduate astronomy student at the University of Sydney is proud to have played her part in investigating NASA's discovery of the remains of a shattered star.
Astronomy
Mar 28, 2013
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A team of industrial and university researchers has shown that nanoparticles with sizes smaller than 10 nanometers – approximately the width of a cell membrane – can be successfully incorporated into scintillation devices ...
Nanomaterials
Mar 25, 2013
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Turning on new satellite instruments is like opening new eyes. This week, the Landsat Data Continuity Mission (LDCM) released its first images of Earth, collected at 1:40 p.m. EDT on March 18. The first image shows the meeting ...
Earth Sciences
Mar 21, 2013
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(Phys.org) —While performing an extensive X-ray survey of our galaxy's central regions, NASA's Swift satellite has uncovered the previously unknown remains of a shattered star. Designated G306.3.9 after the coordinates ...
Astronomy
Mar 15, 2013
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Terahertz (THz) radiation, a slice of the electromagnetic spectrum that occupies the middle ground between microwaves and infrared light, is rapidly finding important uses in medical diagnostics, security, and scientific ...
Optics & Photonics
Mar 14, 2013
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(Phys.org) —Looking up through hundreds of colored filters and spectral glasses, 526 people shattered the record for the Largest Astronomy Lesson. Under the Texas night sky, students were instructed on the lawn of the Long ...
Space Exploration
Mar 14, 2013
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Dr. Roberto Morandotti and his team at the INRS Énergie Matériaux Télécommunications Research Centre have developed a device that is critical to the use of terahertz (THz) sources for a variety of applications.
General Physics
Mar 7, 2013
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(Phys.org)—Three NASA scientists teamed up to develop and demonstrate NASA's first wide-field-of-view soft X-ray camera for studying "charge exchange," a poorly understood phenomenon that occurs when the solar wind collides ...
Astronomy
Feb 7, 2013
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