The Helix Nebula (NGC 7293) is a challenging stargazing target for amateur astronomers. It is one of the closest planetary nebulas -- a type of nebula formed from gas ejected by a dying sunlike star.
A new portrait of the Helix Nebula, created by the infrared Spitzer Space Telescope, has be...
NASA's SDO Sees Returning Sunspot Produce Mid-Level Flare The sun emitted a mid-level solar flare, peaking at 12:48 p.m. EST on Nov. 16, 2014. NASAs Solar Dynamics Observatory, which watches the sun constantly, captured an image of the event. Solar flares are powerful bursts of radiation. Read mo...
The 58 - 130 metre wide asteroid 2013 YH48 will make a close pass (44.5 lunar distances, 0.1143 AU) travelling at 10.79 km/second, to the Earth-Moon system on the 18th November 2014 @ 18:37 UT ±04:15. See moreThe Lunar Distance (LD), the distance between Earth and the Moon, equals 384,401 km, (or 0.0...
The 1900 - 4300 metre wide asteroid 1998 SS49 will make a close pass (73.9 lunar distances, 0.1898 AU) travelling at 23.10 km/second, to the Earth-Moon system on the 18th November 2014 @ 09:38 UT ±00:01. See moreThe Lunar Distance (LD), the distance between Earth and the Moon, equals 384,401 km, (or...
The 33 - 73 metre wide asteroid 2014 VV6 will make a close pass (22.5 lunar distances, 0.0579 AU) travelling at 7.74 km/second, to the Earth-Moon system on the 18th November 2014 @ 00:44 UT ±00:01. See moreThe Lunar Distance (LD), the distance between Earth and the Moon, equals 384,401 km, (or 0.0025...
Orbital elements:
2013 CU129 Earth MOID = 0.0859 AU
Epoch 2013 Apr. 18.0 TT = JDT 2456400.5 MPC
M 337.09571 (2000.0) P Q
n 0.20519914 Peri. 211.99497 -0.20825086 +0.96608889
a 2.8467699 Node 46.48902 -0.84715097 -0.10015627
e 0.7190475 Incl. 12.15104 -0.48884232 -0.23799364
P 4.80 H 17....
Orbital elements:
2014 WA Earth MOID = 0.0029 AU
Epoch 2014 Dec. 9.0 TT = JDT 2457000.5 MPC
M 359.20990 (2000.0) P Q
n 0.33704898 Peri. 31.85396 +0.07455800 -0.99488990
a 2.0449093 Node 53.95728 +0.89634356 +0.03693833
e 0.5388290 Incl. 4.83002 +0.43704614 +0.09396620
P 2.92 H 28.2 G 0.15...
Title: Kepler Flares II: The Temporal Morphology of White-Light Flares on GJ 1243 Author: James R. A. Davenport, Suzanne L. Hawley, Leslie Hebb, John P. Wisniewski, Adam F. Kowalski, Emily C. Johnson, Michael Malatesta, Jesus Peraza, Marcus Keil, Steven M. Silverberg, Tiffany C. Jansen, Matthe...
Title: The Kepler Dichotomy among the M Dwarfs: Half of Systems Contain Five or More Coplanar Planets Author: Sarah Ballard, John Asher Johnson We present a statistical analysis of the Kepler M dwarf planet hosts, with a particular focus on the fractional number of systems hosting multiple transi...
Title: GSC 4560--02157: a New Long-period Eclipsing Cataclysmic Variable Star Author: A.V. Khruslov, A.V. Kusakin, E.A. Barsukova, V.P. Goranskij, A.F. Valeev, N.N. Samus We study the newly discovered variable star GSC 4560--02157. CCD photometry was performed in 2013--2014, and a spectrum...
The Aurora of November 17, 1882 was a geomagnetic storm and associated aurora event, widely reported in the media of the time. It occurred during an extended period of strong geomagnetic activity in solar cycle 12. Read more
Orbital elements:
2008 LQ16 Earth MOID = 0.1037 AU
Epoch 2011 Aug. 27.0 TT = JDT 2455800.5 MPC
M 178.95277 (2000.0) P Q
n 0.44209435 Peri. 17.79078 -0.93763060 -0.33885593
a 1.7065777 Node 142.11613 +0.30160886 -0.90398771
e 0.7373742 Incl. 7.26224 +0.17286111 -0.26073527
P 2.23 H 20.3 G...
1 2
)
(Preview)
