Hubble: Giant galaxies die from the inside out [heic1508]; Rosetta blog updates

MISSION NEWS AS OF FRIDAY 17 APRIL 2015
    
+ GIANT GALAXIES DIE FROM THE INSIDE OUT [HEIC1508]
Astronomers have shown for the first time how star formation in 'dead' galaxies sputtered out billions of years ago. The NASA/ESA Hubble Space Telescope and ESO's Very Large Telescope (VLT) have revealed that three billion years after the Big Bang, these galaxies still made stars on their outskirts, but no longer in their interiors. The results will be published in the 17 April 2015 issue of the journal Science.
    
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ROSETTA BLOG UPDATES
    
+ COMETWATCH 15 APRIL
Today's CometWatch entry is a single frame NAVCAM image obtained on 15 April, from a distance of 170 km from the centre of Comet 67P/Churyumov-Gerasimenko.
    
+ COSIMA: MEET THE FAMILY
Rosetta's dust analysing instrument COSIMA (COmetary Secondary Ion Mass Analyser) has been very busy collecting dust - 12,000 grains and counting! The COSIMA team shared this image of some of their named dust grains at the European Geosciences Union General Assembly in Vienna this week.
    
+ ROSETTA GROUND BASED CAMPAIGN: COMET 67P/C-G RECOVERED ON 13 APRIL          
Comet 67P/Churyumov-Gerasimenko is back! In fact, the comet has been in sight for Rosetta for many months, but since the end of last year it was not possible to observe it with telescopes on Earth because it was in solar conjunction.
    
+ COMETWATCH 12 APRIL
Today's CometWatch entry was taken by Rosetta's Navigation camera on 12 April from a distance of 146.8 km from the centre of Comet 67P/Churyumov-Gerasimenko.
    
    
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