NASA’s Stereo A and B spacecraft circle the Sun in orbits very similar to Earth’s. This plot shows their location on November 21, 2014. NASA / JPL Horizons Despite rescue efforts, no one has heard from one of two NASA spacecraft on the far side of the Sun since October 1st. Solar physicists always worry …
The HAC Committee members are(back from left): Peter Harvey, Derek Duckitt, Jenny Moris, Johan Retief, Lynette Geldenhuys and Fanie Lombard. Front: Pierre de Villiers (chairperson) and Deon Krige. Absent: Laura Norris. photo: jan-hendrik coetzer By Jan-Hendrik Coetzer Photo : jan-hendrik coetzer 2014-11-28 Prof Patrick Woudt, incoming head of the University of Cape Town’s(UCT) Department of …
An artist’s portrayal of the moment when Rosetta’s Philae lander touches down on Comet 67P/Churyumov-Gerasimenko. ESA / ATG medialab – Days from now, the Philae lander will drop onto Comet 67P/Churyumov-Gerasimenko. In the meantime, the “mother ship” Rosetta is watching the icy nucleus — and smelling the mix of gases escaping from it. In less …
The Pleiades (Messier 45), in Taurus, are an impressive sight with any or no optical aid. Akira Fujii By: Kelly Beatty, Sky & Telescope, August 28, 2014 A new measurement, made using radio interferometry, argues that the distance to the Pleiades star cluster measured by ESA’s Hipparcos satellite is decidedly wrong — and that …
“ The RadioAstron telescope’s resolution is so good, it could pick out a snooker ball on the moon” If you thought black holes were strange, try a white one. Katia Moskvitch joins the hunt Thar she blows PHYSICS is full of opposites. For every action, there’s a reaction; every positive charge has …
White holes: Hunting the other side of a black hole Read More »
