In ancient Roman religion, the Robigalia was a festival held April 25. Its main ritual was a dog sacrifice to protect grain fields from disease. Games (ludi) in the form of "major and minor" races were held. Read more
Title: Extraordinary Magnification of the Ordinary Type Ia Supernova PS1-10afx Authors: Robert M. Quimby, Marcus C. Werner, Masamune Oguri, Surhud More, Anupreeta More, Masayuki Tanaka, Ken'ichi Nomoto, Takashi J. Moriya, Gaston Folatelli, Keiichi Maeda, Melina Bersten Recently, Chornoc...
A new NASA project will use more than 40 high altitude balloons to return new scientific insights about Earth's Van Allen Belts. The type of radiation in the belts can be hazardous to astronauts, orbiting satellites and aircraft flying in high altitude polar routes. NASA's Science Mission Directo...
After years of planning and several last-minute delays, about 100 Cornell-developed mini satellites demonstrating space flight at its simplest have launched into orbit and are now circling Earth. Read more
NASA's Kepler Discovers First Earth-Size Planet In The 'Habitable Zone' of Another Star Using NASA's Kepler Space Telescope, astronomers have discovered the first Earth-size planet orbiting a star in the "habitable zone" -- the range of distance from a star where liquid water might p...
One of the world's largest yellow diamonds will go under the hammer in Geneva next month, with the Sotheby's auction house hoping to rake in up to USD 25 million for the gem. The Graff Vivid Yellow, the colour of a daffodil and weighing 100.09 carats, figures among a wide range of pieces for sale at Sothe...
Plundered in the middle of Italy's 1933-1941 occupation, the 160-tonne obelisk was raised in Rome by Benito Mussolini as a symbol of the fascist victory against Ethiopia.
Ethiopia's 1,700 year-old obelisk, returned to the country 14 months ago, will be re-erected after the rainy season that...
Kiama 25 April 1880 meteor 25 April 1880 KIAMA. Monday. [Herald.]-Yesterday afternoon, about 1 o'clock, a brilliant meteor, making a luminous track, was seen to fall outside the township. The last two days have been beautifully fine, with sharp air in the mornings and evenings. Read more
The 13 - 30 metre wide asteroid 2014 HU2 will make a close pass (3.7 lunar distances, 0.0095 AU), travelling at 17.28 km/second, to the Earth-Moon system on the 25th April 2014 @ 02:02 UT ±00:01. See moreThe Lunar Distance (LD), the distance between Earth and the Moon, equals 384,401 km, (or 0.00256 AU...
Orbital elements:
2012 RH10 Earth MOID = 0.0752 AU
Epoch 2012 Sept. 30.0 TT = JDT 2456200.5 MPC
M 302.93268 (2000.0) P Q
n 0.80291177 Peri. 122.90536 -0.43052168 -0.90201442
a 1.1464563 Node 352.38703 +0.72643902 -0.32527578
e 0.4703467 Incl. 13.95727 +0.53566542 -0.28384089
P 1.23 H 22...
NGC 3999 (also PGC 37647) is a magnitude +14.7 spiral galaxy located in the constellation Leo. The galaxy was discovered by Irish astronomer Lawrence Parsons, 4th Earl of Rosse, using a 182.88 cm (72 inch) speculum reflector at Birr Castle on the 25th April 1878. Right Ascension 11h 57m 56.4s, Decli...
NGC 4000 (also IRAS 11554+2524, MCG 4-28-103, UGC 6949 and PGC 37643) is a magnitude +14.6 edge-on spiral galaxy located 209 million light-years away in the constellation Leo. The galaxy was discovered by Irish astronomer Lawrence Parsons, 4th Earl of Rosse, using a 182.88 cm (72 inch) speculum re...
NGC 4731 (also IRAS 12484-0607, MCG -1-33-26, UGCA 302 and PGC 43507) is a magnitude +11.5 spiral galaxy located 68 million light-years away in the constellation Virgo. The galaxy was discovered by German-British astronomer William Herschel using a 47.5 cm (18.7 inch) f/13 speculum reflector at...
NGC 4928 (also IRAS 13004-0749, MCG -1-33-75 and PGC 45052) is a magnitude +12.5 spiral galaxy located 79 million light-years away in the constellation Virgo. The galaxy was discovered by German-British astronomer William Herschel using a 47.5 cm (18.7 inch) f/13 speculum reflector at Datchet,...
NGC 5409 (also MCG 2-36-9, UGC 8938 and PGC 49952) is a magnitude +13.3 spiral galaxy located 288 million light-years away in the constellation Boötes. The galaxy was discovered by German astronomer Ernst Wilhelm Leberecht Tempel using a 27.94 cm (11 inch) f/19 refractor at the Arcetri Observator...