The two holes drilled at John Klein. The test hole (R) is 16mm wide and 20mm deep. The sample hole (L) is 64mm deep. A volume of the grey tailings has been picked up and will be sent for analysis By Jonathan Amos BBC Science correspondent Nasa’s Curiosity Mars rover has finally drilled deep enough …
Curiosity Mars rover takes historic drill sample Read More »
Astronomers are excited about a sungrazing comet discovered late in 2012. For a short time, it might become as bright as a full moon. That’ll be around the time of its perihelion – or closest approach to the sun – on November 28, 2013. This comet is called C/2012 S1 (ISON) by astronomers. All …
Big sun-diving Comet ISON might be spectacular in late 2013 Read More »
Talk about a close shave. On 15 February, an asteroid about half the size of a football field will fly past Earth only 27 681 kilometres above our planet’s surface. There’s no danger of a collision, but the space rock, designated 2012 DA14, has Nasa’s attention. “This is a record-setting close approach,” says Don …
Record-setting asteroid flyby past Earth on 15 February Read More »
Artist’s rendition of the HAT-P-7 system. Researchers used the Subaru Telescope to discover the retrograde planet (nearest the central star), another giant planet (in the foreground), and a companion star (upper right) in this system. // Credit: NAOJ A team of astronomers thinks a companion star and a newly confirmed outer exoplanet could explain a …
The origin and maintenance of a retrograde exoplanet Read More »
A comparison of the ionosphere of Venus under different solar wind conditions. // Credit: ESA/Wei et al. (2012) Venus Express has discovered that our sister planet’s ionosphere balloons out like a comet’s tail on its nightside. By ESA, Noordwijk, Netherlands — Published: January 29, 2013 The European Space Agency’s (ESA) Venus Express has made unique …
