Primeval hydrogen gas
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Cosmology News
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Ripples in Cosmic Web Measured Using Rare Double Quasars The most barren regions of the Universe are the far-flung corners of intergalactic space. In these vast expanses between the galaxies there are only a few atoms per cubic meter - a diffuse haze of hydrogen gas left over from the Big Bang. Viewed...
Asteroid 2017 HU3
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Asteroids 2017
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468
The 22 - 50 metre wide asteroid 2017 HU3 in the constellation Cygnus will make a close pass (6.12 LD, 0.01572 AU), travelling at 8.93 km/second, to the Earth-Moon system on the 30th April 2017 @ 02:26 UT ±00:01. Magnitude: 19.82 RA: 20 14 37.90, Dec: +40 57 34.8 at 02:26 UT, 30th April 2017 See more The...
Killeter meteorite
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Meteorites
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The Killeter (H6) meteorite fell in Ulster, Ireland, on the 29th April, 1844. A total mass of 140 g was recovered. 54° 40'N, 7° 40'W
Sun 28.04.17
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Solar 2017
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Image of sunspots 12652 and 12651 captured with a 100mm f5 Helios refractor and Vesta pro webcam.
EPIC 210894022b
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Exoplanets
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888
Title: EPIC 210894022b - A short period super-Earth transiting a metal poor, evolved old star Author: Malcolm Fridlund, Eric Gaidos, Oscar Barragán, Carina M. Persson, Davide Gandolfi, Juan Cabrera, Teruyuki Hirano, Masayuki Kuzuhara, Sz. Csizmadia, Grzegorz Nowak, Michael Endl, Sascha Grz...
Asteroid (144977) 2005 EC127
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Asteroids 2017
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525
Title: Confirmation of Large Super-Fast Rotator (144977) 2005 EC127 Author: Chan-Kao Chang, Hsing-Wen Lin, Wing-Huen Ip, Zhong-Yi Lin, Thomas Kupfer, Thomas A. Prince, Quan-Zhi Ye, Russ R. Laher, Hee-Jae Lee, Hong-Kyu Moon (144977) 2005 EC127 is an V-/A-type inner-main-belt asteroid with a d...
Gould belt
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Stars/galaxy News
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Title: Dark impact and galactic star formation: Origin of the Gould belt Authors: Kenji Bekki The Milky Way has a giant stellar structure in the solar neighbourhood, which has a size of ~ 1 kpc, a mass of ~ 10^6 solar masses, and a ring-like distribution of young stars. Fundamental physical propertie...
V850 Centauri
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Stars
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418
Title: Optical spectroscopy of the Be/X-ray Binary V850 Cen/GX 304-1 during faint X-ray periodical activity Author: C. Malacaria, W. Kollatschny, E. Whelan, A. Santangelo, D. Klochkov, V. McBride, L. Ducci Be/X-ray binaries are the most populous class of High Mass X-ray Binaries. Their X-ray d...
EO-1 satellite
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Mission News
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A NASA satellite's detection of a faint yellow stain on an ancient glacier in the Canadian Arctic is being hailed as a major breakthrough in the search for life beyond Earth. The yellowish tinge on a remote patch of the Great White North is caused by microbes interacting with a sulphur spring bubbling...
EPIC 203926424
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Stars
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On the Origin of the Spiral Morphology in the Elias 227 Circumstellar Disk Read more (PDF)
Sun 27.04.17
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Solar 2017
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Image of sunspots 12652 and 12651 captured with a 100mm f5 Helios refractor and Vesta pro webcam.
SS433 Binary System
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Stars/galaxy News
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Title: Determining the Nature of the SS 433 Binary Using an X-ray Spectrum During Eclipse
Authors: Laura A. Lopez (1, 2, 3), Herman L. Marshall (4), Claude R. Canizares (4), Norbert S. Schulz (4), Julie F. Kane (5) ((1) UCSC (2) IAS (3) NSF Graduate Research Fellow (4) MIT Kavli Inst...
Class I protostar WL 17
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Stars/galaxy News
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1320
Title: First Magnetic Field Detection on a Class I Protostar Authors: Christopher M. Johns-Krull, Thomas P. Greene, Greg W. Doppmann, Kevin R. Covey Strong stellar magnetic fields are believed to truncate the inner accretion disks around young stars, redirecting the accreting material to the h...
Sun 01.03.12
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Solar
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A new sunspot 11427, and sunspot 11423 (lower left), captured with a 100mm refractor and Vesta pro webcam. Solar filter + Baader contrast filter + IR-cut filter. 2x Barlow lens. Su...
Coronal Mass Ejections
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Solar 2014
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Title: A New Class of Complex Ejecta Resulting From the Interaction of Two Coronal Mass Ejections With Different Orientations and Its Expected Geo-Effectiveness Author: N. Lugaz, C. J. Farrugia A significant portion of transients measured by spacecraft at 1 AU does not show the well-defined pro...
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