* Astronomy

The Mahadevpur (H4/5 chondrite) meteorite fell in Arunachal Pradesh, India, on the 21st February, 2007. A total mass of 70.5 kg was recovered. 27° 40'N, 95° 47'E

Title: The Araucaria Project. A Wide-Field Photometric Survey for Cepheid Variables in NGC 3109 Authors: G. Pietrzynski, W. Gieren, A. Udalski, I. Soszynski, F. Bresolin, R.P. Kudritzki, R. Mennickent, M. Szymanski Researchers have obtained mosaic images of NGC 310...

Title: Cherenkov Flashes and Fluorescence Flares on Telescopes: New lights on UHECR Spectroscopy while unveiling Neutrinos Astronomy Authors: D. Fargion, P.Oliva, F. Massa, G. Moreno Cherenkov Telescopes (as Magic, Hess and Veritas), while pointing horizontally should reveal also the fluo...

Title: A Coronal Hole Jet Observed with Hinode and the Solar Dynamics Observatory Author: Peter R. Young, Karin Muglach A small blowout jet was observed at the boundary of the south coronal hole on 2011 February 8 at around 21:00 UT. Images from the Atmospheric Imaging Assembly (AIA) on board the Sol...

Exoplanet Kepler 37b is tiniest yet - smaller than Mercury Astronomers have smashed the record for the smallest planet beyond our Solar System - finding one only slightly larger than our Moon. To spot the tiny, probably rocky planet, they first needed to precisely measure the size of its host star. T...

HUGE METEORITE FALLS. New York, February 21, A huge meteorite fell yesterday in Washington State. The earth shook with the terrific concussion: A search for the aerolite has been without result. Read more

Orbital elements: C/2013 F2 (Catalina) Epoch 2013 Apr. 18.0 TT = JDT 2456400.5 T 2013 Apr. 19.08754 TT MPC q 6.2178725 (2000.0) P Q z +0.0000845 Peri. 123.00034 -0.41661157 -0.87714393 +/-0.0000192 Node 344.26726 +0.19215650 +0.17184270 e 0.9994748 Incl. 61.75196 +0.88854413 -0.4484...

Comet C/2013 V3 (Nevski) makes its closest approach to the Earth (0.864 AU) in the constellation Leo Minor at 22:25 UT, 19th December 2013. Magnitude: 11.2

Title: The PLATO mission concept Authors: Roxburgh, Ian; Catala, Claude; The Plato Consortium PLATO is a project for a future space mission that is intended to be submitted in response to the upcoming ESA "Cosmic Vision" announcement of opportunity. The science goal of PLATO is to pro...

Parícutin (or Volcán de Parícutin, also accented Paricutín) is a cinder cone volcano in the Mexican state of Michoacán, close to a lava-covered village of the same name. The volcano began as a fissure in a cornfield owned by a P'urhépecha farmer, Dionisio Pulido, on February 20, 1943. Read more

Eclipse lunar 2008 Completo. 4h en (moon in) 2min Click to Play | View Details Lunar Eclipse Feb 20 2008 Click to Play | View Details Lunar Eclipse Feb 20 2008 Click to Play | View Details

The Dubrovnik (L3-6) meteorite fell in Croatia, on the 20th February, 1951. A total mass of 1.9 kg was recovered. 42° 27' 30"N, 18° 26' 30"E

The Ranchapur (H4) meteorite fell in Bihar, India, on the 20th February, 1917. A total mass of 290 g was recovered. 23° 59'N, 87° 5'E

Asteroid (160) Una was discovered by German-American astronomer C. H. F. Peters on February 20, 1876 Read more

The Great Comet of 1402 was visible in daylight for a record 8 days. Two bright comets appeared in 1402. Jacobus Angelus of Ulm wrote an extensive treatise on one of these (known today as C/1402 D1). Read more Closest to...