Related topics: galaxies

Nanoparticles glow through thick layer of tissue

(Phys.org)—An international research team has created unique photoluminescent nanoparticles that shine clearly through more than 3 centimeters of biological tissue—a depth that makes them a promising tool for deep-tissue ...

Herschel finds less dark matter but more stars

(PhysOrg.com) -- ESA's Herschel space observatory has discovered a population of dust-enshrouded galaxies that do not need as much dark matter as previously thought to collect gas and burst into star formation.

Asteroid Caught Marching Across Tadpole Nebula

(PhysOrg.com) -- A new infrared image from NASA's Wide-field Infrared Survey Explorer, or WISE, showcases the Tadpole nebula, a star-forming hub in the Auriga constellation about 12,000 light-years from Earth. As WISE scanned ...

Wind estimate 'shortens Saturn's day by five minutes'

(PhysOrg.com) -- A new way of detecting how fast large gaseous planets are rotating suggests Saturn’s day lasts 10 hours, 34 minutes and 13 seconds - over five minutes shorter than previous estimates that were based on ...

Hubble Finds Hidden Exoplanet in Archival Data

(PhysOrg.com) -- A powerful, newly refined image-processing technique may allow astronomers to discover extrasolar planets that are possibly lurking in over a decade's worth of Hubble Space Telescope archival data.

Watching Venus glow in the dark

(PhysOrg.com) -- ESA’s Venus Express spacecraft has observed an eerie glow in the night-time atmosphere of Venus. This infrared light comes from nitric oxide and is showing scientists that the atmosphere of Earth’s nearest ...

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