News and Views: NASA puts JWST back on track, but ExoMars collaboration looks unlikely; Marsquakes happening yesterday, geologically; UFOs from black holes control shape of galaxies

Physics – Geophysics

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Scientific paper

NASA's funding plans put the James Webb Space Telescope firmly on track for a launch in 2018, to widespread relief, but the essentially flat funding settlement for 2013 overall means something has to go. Planetary science seems hardest hit, with the especial blow for European planetary scientists of NASA pulling out of ExoMars, the ESA-led mission to look for signs of life on Mars.
Images from the High Resolution Imaging Science Experiment have shown boulders displaced by seismic activity on Mars in the past few million years, and possibly much more recently than that.
The bigger the supermassive black hole at the centre of a galaxy, the faster the stars in the galactic bulge rotate. Why this should be so has been something of a puzzle, but now a mechanism that is both powerful and common enough to do the job has been identified.

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