The holiday of Autumn Equinox, Harvest Home, Mabon, the Feast of the Ingathering, Meán Fómhair or Alban Elfed (in Neo-Druidic traditions), is a ritual of thanksgiving for the fruits of the earth and a recognition of the need to share them to secure the blessings of the Goddess and the God during the wi...
Jodrell Bank Discovery Centre are hosting a ladies night with a difference. Banish your fear of geekery and come along for telescope master class * cupcakes and drinks * popup planetarium * meet out female scientists and so much more. Starts 7pm. Tickets £12, suitable for 12 years + [url=http://www...
Orbital elements:
2007 XF25 Earth MOID = 0.0674 AU
Epoch 2012 Sept. 30.0 TT = JDT 2456200.5 MPC
M 147.74209 (2000.0) P Q
n 0.76611819 Peri. 302.59432 -0.73950186 +0.53078273
a 1.1828750 Node 272.79871 -0.38908036 -0.83892015
e 0.1322638 Incl. 24.48829 -0.54932092 -0.12034398
P 1.29 H 21...
Title: Colours of extreme exoEarth environments Authors: Siddharth Hegde, Lisa Kaltenegger Context. The search for extrasolar planets has already detected rocky planets and several planetary candidates with minimum masses that are consistent with rocky planets in the Habitable Zone of thei...
Symbiotic variable V4018 Sgr in outburst The symbiotic variable V4018 Sgr is undergoing an outburst, according to observations reported to the AAVSO and confirmed by spectroscopy by Ulisse Munari et al. Prompted by an observation and comment from John Bortle (Stormville, NY) (16 June 2012, visu...
Swift XMM-Newton Satellites Tune Into a Middleweight Black Hole Astronomers at NASA's Goddard Space Flight Centre in Greenbelt, Md., find that an X-ray source in galaxy NGC 5408 represents one of the best cases for a middleweight black hole to date. "Astronomers have been studying NGC 5408 X...
Title: White Dwarfs in Ultrashort Binary Systems Authors: GianLuca Israel, Simone Dall'Osso (INAF - Osservatorio Astronomico di Roma, Italy) This contribution summarises, as of early 2008, the observational and theoretical understanding of the physics, and emission properties of two Doubl...
How may eyepieces should i start off with? Telescopes generally come with two or three eyepieces and sometimes a Barlow lens. But three or four good (perhaps Plossl design) eyepieces of various wide ranging sizes, 6mm, 10mm and 25mm, and a quality Barlow lens would be my 'starters' recommendation....
Title: 4U 1909+07: a well-hidden pearl (Conf. Proc.) Authors: F. Fuerst, I. Kreykenbohm, L. Barragán, J. Wilms, R. E. Rothschild, S. Suchy, K. Pottschmidt (Version v2) We present the first detailed spectral and timing analysis of the High Mass X-ray Binary (HMXB) 4U 1909+07 with INTEGRAL and RXTE...
Title: On the correct intrinsic VHE properties of the BL Lac H 2356-309 Authors: L. Costamante The high-energy-peaked BL Lac H 2356-309 (z=0.165) was detected by HESS at very high energies (VHE, >100 GeV) with relatively high significance in the years 2004-2007, allowing a good determination...
Canadian astronomer Paul Hickson and colleagues identified some 100 compact groups of galaxies, now appropriately called Hickson Compact Groups. The four prominent galaxies seen in this intriguing telescopic skyscape are one such group, Hickson 44, about 100 million light-years distant tow...
Smiley emoticon turns 30 The computer symbol for "not serious" or now more generally "happiness", made up of a colon, dash and a right parenthesis, was born into existence on September 19, 1982, when it was posted on an online bulletin board by Carnegie Mellon computer scient...
'Balls of fire' likely large meteors A Science North astronomer said while a Sept. 15 incident where residents reported "balls of fire" in the sky shortly before midnight likely isn't anything significant, it serves as a good reminder that there is plenty of debris floating around in sp...
Bright white meteor spotted over Skidbrooke A large meteor was spotted over Skidbrooke on Wednesday night, as well as other areas across the country. Tom Redmayne, of North Somercotes, called us to report his sighting, described as a 'silent bright white fireball, becoming orange before disappe...
