Michael Maestlin (also Mästlin, Möstlin, or Moestlin) (30 September 1550, Göppingen - 20 October 1631, Tübingen) was a German astronomer and mathematician, known for being the mentor of Johannes Kepler. Read more
Marc Bolan (born Mark Feld; 30 September 1947 - 16 September 1977) was an English singer-songwriter, guitarist and poet. He is best known as the frontman of glam rock group T. Rex. Read more
Title: On the Origin of the Balmer and Lyman Emission Lines Authors: G. Stellmacher, E. Wiehr We show how the observed hydrogen Balmer and Lyman emission lines constrain the modelling of quiescent solar prominences. We compare space observations of Lyman lines with ground-based observations of...
Orbital elements:
2012 SF58 Earth MOID = 0.0143 AU
Epoch 2012 Sept. 30.0 TT = JDT 2456200.5 MPC
M 14.01947 (2000.0) P Q
n 0.31490198 Peri. 123.68162 +0.61162709 +0.79107943
a 2.1396979 Node 184.07072 -0.76532108 +0.58831980
e 0.5937900 Incl. 8.32495 -0.20048926 +0.16755046
P 3.13 H 25.9...
The Opel RAK.1 (also known as the Opel RAK.3) was the world's first purpose-built rocket-powered aircraft. It was designed and built by Julius Hatry under commission from Fritz von Opel who flew it on September 30, 1929 in front of a large crowd at Rebstock airport near Frankfurt-am-Main. Read more...
HighlightsAutumnal Equinox On this day, the Sun rises directly in the East, and sets directly in the West. At the South Pole, the Sun will begin to rise after six months of darkness. Watch out for the zodiacal lights, also known as the false dawn, which maybe visible about two hours before sunrise from...
Neutron star caught feasting on clump of stellar matter With a stroke of luck, astronomers using ESA's XMM-Newton X-ray observatory have observed a neutron star in a peculiar X-ray binary system undergoing an extremely rare, intense flare. This outburst of X-rays, which lasted about four hours,...
Title: Discovery of Two New Class II Methanol Maser Transitions in G345.01+1.79 Authors: S. P. Ellingsen (1), A. M. Sobolev (2), D. M. Cragg (3), P. D. Godfrey (3) ((1) University of Tasmania, (2) Ural State University, (3) Monash University) We have used the Swedish ESO Submillimetre Telescope (S...
Title: Physical Properties of the B and Be Star Populations of h and chi Persei Authors: Amber N. Marsh Boyer, M. Virginia McSwain, Christina Aragona, Benjamin Ou-Yang (Lehigh University) We present a study of the B and Be star populations of the Double Cluster h and chi Persei. Blue optical spectro...
Title: A dynamical model for the Taffy galaxies UGC 12914/5 Authors: B. Vollmer (1), J. Braine (2,3), M. Soida (4) ((1) CDS, Observatoire de Strasbourg, France, (2) Univ. Bordeaux, Laboratoire d'Astrophysique de Bordeaux, France, (3) CNRS, LAB, UMR 5804, Floirac, France, (4) Astronomical Obse...
Das Projekt COLOGNE LARGE TELESCOPE - Ein Grossteleskop als Bürgerteleskop für alle Kölner: Das Observatorium der Volkssternwarte Köln auf dem Schiller-Gymnasium in Köln-Sülz feiert im Jahr 2012 seinen 50. "Geburtstag". In den Schul-Sommerferien wurde die Kuppel aussen und inne...
Orbital elements:
2012 SA59 Earth MOID = 0.3388 AU
Epoch 2012 Sept. 30.0 TT = JDT 2456200.5 MPC
M 352.80708 (2000.0) P Q
n 0.23352909 Peri. 96.51306 +0.73946176 -0.65975314
a 2.6116124 Node 304.86315 +0.53499247 +0.69662410
e 0.5111387 Incl. 9.39018 +0.40863109 +0.28185218
P 4.22 H 18.9...
Scramjet prepped for launch Preparations to fly a new high tech engine are currently underway at White Sands Missile Range. Members from Air Force Research Laboratory, NASA and the Naval Surface Warfare Centre Port Hueneme division, White Sands Detachment, are working together to ready the Hype...