News tagged with gravity field

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Dawn beams back asteroid science data

(PhysOrg.com) -- The Dawn spacecraft has completed a graceful spiral into the first of four planned science orbits during the spacecraft's yearlong visit to Vesta. The spacecraft started taking detailed observations ...

Aug 12, 2011
5 / 5 (9) 5 | with audio podcast

Earth is getting fatter

Like many of its inhabitants, the Earth is getting thicker around the middle -- that's what a new study out this week says. The increased bulge is due to the melting of the Greenland and Antarctic ice sheets.

Jul 28, 2011
4.6 / 5 (17) 18 | with audio podcast

Neutron star bites off more than it can chew

(PhysOrg.com) -- ESA's XMM-Newton space observatory has watched a faint star flare up at X-ray wavelengths to almost 10 000 times its normal brightness. Astronomers believe the outburst was caused by the star ...

Jun 28, 2011
4.9 / 5 (7) 7 | with audio podcast

Glitch won't keep GOCE gravity mission down

(PhysOrg.com) -- ESA's GOCE gravity mission has recovered from a glitch that prevented the satellite from sending its flow of scientific data to the ground. News of the recovery comes earlier than expected, ...

Sep 07, 2010
4.5 / 5 (2) 0

ESA makes first GOCE dataset available

The first products based on GOCE satellite data are now available online through ESA's Earth observation user services tools. ESA launched the satellite in March 2009 on a mission to map Earth's gravity with unprecedented ...

Jun 09, 2010
5 / 5 (1) 0