* Astronomy

The 170 - 380 metre wide asteroid 2015 CU will make a close pass (64.4 LD, 0.1655 AU) travelling at 17.62 km/second, to the Earth-Moon system on the 21st February 2015 @ 05:03 UT ±00:02. See more The Lunar Distance (LD), the distance between Earth and the Moon, equals 384,401 km, (or 0.00256 AU).

Weather looks promising for Thursday night Delta IV rocket launch Launch teams today will determine if a Delta IV rocket and Global Positioning System satellite are ready to begin counting down to an 8:40 p.m. Thursday lift off from Cape Canaveral. The Air Force is attempting to launch the fifth in a...

Images captured with a 100mm f5 Helios refractor and vesta pro webcam. Motorised EQ1 Mount and Baader solar filter. Prime focus. Hazy sky

'Destructive' Tropical Cyclone Maria nears Queensland A "very destructive" storm is beginning to impact the coast of Queensland, Australian meteorologists say. Forecasters warn Category Five Tropical Cyclone Marcia - with wind gusts up to 285km/h - will bring a deluge of rain and &q...

Sunspot 11158 Expand (135kb, 560 x 560) Credit: SOHO/MDI

Hubble Offers a Dazzling View of the 'Necklace' Nebula A giant cosmic necklace glows brightly in this NASA Hubble Space Telescope image. The object, aptly named the Necklace Nebula, is a recently discovered planetary nebula, the glowing remains of an ordinary, Sun-like star. The nebula consists...

Title: Low 60Fe abundance in Semarkona and Sahara 99555 Author: Haolan Tang, Nicolas Dauphas Iron-60 (t1/2=2.62 Myr) is a short-lived nuclide that can help constrain the astrophysical context of solar system formation and date early solar system events. A high abundance of 60Fe (60Fe/56Fe= 4x1...

For the first time, spacecraft catch a solar shockwave in the act On Oct. 8, 2013, an explosion on the suns surface sent a supersonic blast wave of solar wind out into space. This shockwave tore past Mercury and Venus, blitzing by the moon before streaming toward Earth. The shockwave struck a massive b...

Orbital elements: 2015 DD1 Earth MOID = 0.0001 AU Epoch 2014 Dec. 9.0 TT = JDT 2457000.5 MPC M 350.31546 (2000.0) P Q n 0.83328230 Peri. 106.07523 +0.27124819 -0.96160604 a 1.1184278 Node 328.09200 +0.85019327 +0.25967733 e 0.2406400 Incl. 4.52415 +0.45121593 +0.08877786 P 1.18 H 30.3 G 0...

A new study suggests that Jupiter's cloud bands are driven by thunderstorms. The jet streams that give Jupiter its colourful cloud bands may extend thousands of miles into the planet’s interior, and are...

Meteoriteshttp://astronomy.activeboard.com/t47901944/ranchapur-meteorite/

The story of this comet officially began in September of 1986. K. S. Russell (Siding Spring Observatory, Australia) was examining a 90-min exposure taken by F. G. Watson on September 3.64 with the U.K. Schmidt Telescope. Read more

Comet 261P/Larson makes its closest approach to the Earth (1.191 AU) on the 15th September, 2012.

The 56 - 120 metre wide asteroid 2015 AC246 will make a close pass (75.6 LD, 0.1943 AU) travelling at 4.93 km/second, to the Earth-Moon system on the 20th February 2015 @ 03:05 UT ±00:04. See more The Lunar Distance (LD), the distance between Earth and the Moon, equals 384,401 km, (or 0.00256 AU).

The 210 - 480 metre wide asteroid 2002 RQ25 made a close pass (30.1 Lunar Distances, 0.0774 AU), travelling at 8.02 km/s, to the Earth-Moon system on the 18th August, 2009. See more The Lunar Distance (LD), the distance be...