Lyrids meteor shower reaches its peak
April 21 and 22 is the peak of a shower of meteors—or shooting stars—known as the Lyrids.
Space Exploration
Apr 21, 2020
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282
News tagged with astronomical phenomena
Study of starspot lifetimes based on light-curve amplitude and spectral type
sunspots are regions on the sun's photosphere that appear darker than surrounding areas because they are cooler, usually by one or two thousand degrees Celsius. These spots are temporary phenomena caused by magnetic activity ...
Astronomy
Dec 18, 2017
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27
On the evolution of how we have defined time, time interval and frequency since antiquity
The earliest definitions of time and time-interval quantities were based on observed astronomical phenomena, such as apparent solar or lunar time, and as such, time as measured by clocks, and frequency, as measured by devices ...
General Physics
Mar 22, 2016
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131
Supercomputer for astronomy 'ATERUI' upgraded to double its speed
The Center for Computational Astrophysics (CfCA) of the National Astronomical Observatory of Japan upgraded the supercomputer Cray XC30 system "ATERUI". By introducing state-of-the-art CPUs, the theoretical peak performance ...
Hardware
Nov 27, 2014
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NASA's NuSTAR catches black holes in galaxy web
(Phys.org)—NASA's Nuclear Spectroscopic Telescope Array, or NuSTAR, set its X-ray eyes on a spiral galaxy and caught the brilliant glow of two black holes lurking inside.
Astronomy
Jan 08, 2013
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Geminid meteors set to light up winter sky
(Phys.org)—On the evening of 13 and the morning of 14 December, skywatchers across the world will be looking up as the Geminid meteor shower reaches its peak, in potentially one of the best night sky events of the year.
Space Exploration
Dec 13, 2012
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Discovery of the "Pigtail" molecular cloud
A research team of the Department of Physics, Keio University, has discovered a molecular cloud with a peculiar helical structure by observation with the NRO 45m Telescope at Nobeyama Radio Observatory, National Astronomical ...
Astronomy
Sep 10, 2012
26
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Astronomers find extreme weather on an alien world
(PhysOrg.com) -- A University of Toronto-led team of astronomers has observed extreme brightness changes on a nearby brown dwarf that may indicate a storm grander than any seen yet on a planet. Because old brown dwarfs and ...
Astronomy
Sep 12, 2011
3
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Astrophysicists Move Closer to Understanding the Beauty Behind Stellar Jets
(PhysOrg.com) -- Certain stars stream vast amounts of matter into space, creating some of the most beautiful objects in astronomers' telescopes. But while the astronomers can enjoy the beauty, they can't explain it. Adam ...
Astronomy
Sep 28, 2009
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Solar Mystery Solved
(PhysOrg.com) -- Solar flares are amongst the most dangerous cosmic phenomena man has ever known. Though they pose no harm to humans, their effect on technology is vast. When they occur, they possess the capability to knock ...
