Title: Period variation in BW Vulpeculae redux Authors: Andrew P. Odell For the past 25 years, BW Vulpeculae has been the topic of period analyses centred on a secular period change with a periodic variation superposed, presumed to be due to light time effects in a binary system. According to this pa...
Global environmental change is the most fundamental challenge facing humanity. How are satellites providing the information needed for understanding the effect of increasing human activity? The two lead articles in the latest issue of ESA's magazine tackle the subject. Later this year,...
Title: Photospheric and chromospheric activity in V405 And: An M dwarf binary with components on the two sides of the full convection limit Authors: K. Vida, K. Oláh, Zs. Kvári, H. Korhonen, J. Bartus, Zs. Hurta, K. Posztobányi We investigate the fast rotating (P_orb=P_rot=0.465d) active dwarf b...
Helen Patricia Sharman, OBE PhD (born 30 May 1963), is a British chemist. She was the first Briton in space, visiting the Mir space station aboard Soyuz TM-12 in 1991. Read more
Michael Eladio "LA" López-Alegría (also known as Miguel López-Alegría) b. May 30, 1958, is a Spanish-American astronaut; a veteran of three Space Shuttle missions and one International Space Station mission. He is known for having performed ten EVAs so far in his career, presently ho...
Hannes Olof Gösta Alfvén (born 30 May 1908 in Norrköping, Sweden; died 2 April 1995 in Djursholm, Sweden) was a Swedish electrical engineer, plasma physicist and winner of the 1970 Nobel Prize in Physics for his work on magnetohydrodynamics (MHD). He described the class of MHD waves now known as Alf...
Elly Beinhorn-Rosemeyer (30 May 1907 - 28 November 2007) was a German pilot. Long distance flying was her real passion and in 1931 she seized the opportunity to fly to Portuguese Guinea (now Guinea-Bissau) West Africa on a scientific expedition. She became only the second woman to fly solo from Eu...
Erich Rudolf Bagge (30 May 1912, Neustadt bei Coburg - 5 June 1996, Kiel) was a German scientist. Bagge, a student of Werner Heisenberg for his doctorate and Habilitation, was engaged in German Atomic Energy research and the German nuclear energy project during the Second World War. Read more
Eugčne Charles Catalan (30 May 1814 - 14 February 1894) was a French and Belgian mathematician. He worked on continued fractions, descriptive geometry, number theory and combinatorics. He gave his name to a unique surface (periodic minimal surface in the space ) that he discovered in 1855. Before...
Georg von Peuerbach (also Purbach, Peurbach, Purbachius, his real surname is unknown) (born May 30, 1423 in Peuerbach near Linz - April 8, 1461 in Vienna) was an Austrian astronomer, mathematician and instrument maker. Read more
The newspaper and other reports of this earthquake, at first, as is usual in all such cases, much exaggerated the importance of the event. Inspite of the comparative mildness of the shock, the loss of life was very great, being in round numbers about 3000 Read more
Designers of the 17th century Taj Mahal, the finest piece of Mughal architecture, employed the same unit of measurement used by the Harappan civilisation as far back 2000 BC, according to a study by an IIT-Kanpur professor. These units were used by builders in India till the British imposed their ow...
Pakistan tests new short-range nuclear missile Pakistan has tested its indigenously developed Hatf 9 nuclear missile, capable of striking targets at close range.
China launches telecom satellite China successfully sent a telecommunication satellite, "ChinaSat 2A," into orbit on Saturday evening, using a Long March-3B carrier rocket launched from the southwestern Xichang Satellite Launch Centre. The rocket blasted off at 11:56 p.m. Beiji...
Title: Cool dwarfs in wide multiple systems. Paper 3: Two common-proper-motion, late-type stars separated by over 11 arcmin Authors: J. A. Caballero, J. Genebriera, F. X. Miret, T. Tobal, J. Cairol LP 209-28 and LP 209-27 have similar proper motions as tabulated by several catalogues. Using seve...
