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SUMMARY:Behind the Dust with the Herschel Space Observatory  - the history
  of star formation in the Universe - Stephen Eales
DTSTART:20200303T193000Z
DTEND:20200303T210000Z
UID:TALK136930@talks.cam.ac.uk
CONTACT:Oliver Normand
DESCRIPTION:Observations of the cosmic background radiation have shown tha
 t roughly half the optical light emitted\nby everything in the Universe si
 nce the Big Bang - stars\, galaxies\, quasars - has been absorbed by inter
 stellar dust\, with\nthe absobed energy then being reradiated in the far-i
 nfrared and submillimetre wavebands. Dust is a particular\nproblem for ast
 ronomers interested in understanding the births of stars and galaxies beca
 use both occur in big clouds\nof gas and dust\, and the birth of stars\, i
 n particular\, is completely hidden from optical telescopes like Hubble. T
 he Herschel\nSpace Observatory was a far-infrared and submillimetre telesc
 ope designed to answer these two fundamental 'origin questions'.\nI will d
 escribe some of Herschel's results\, starting with the fundamental discove
 ries that Herschel made about how stars are\nformed in our galaxy\, and th
 en proceeding by way of the Andromeda galaxy out to the very distant Unive
 rse where Herschel discovered \nobjects only a billion years after the Big
  Bang that are almost certainly galaxies in the process of formation.\n\nT
 he talk will be at the usual location of the Wolfson lecture theatre in th
 e Department of Chemistry\, shown on the map here: https://map.cam.ac.uk/#
 52.197868\,0.125487\,19\,52.197816\,0.125093\n\nTickets are £2 or free fo
 r members. Annual membership (£7) and life membership (£12) can also be 
 purchased at the event – cash or card. The talk will be followed by refr
 eshments outside the lecture theatre.\n\nThis talk is part of the Cambridg
 e University Astronomical Society (CUAS) series.
LOCATION:Wolfson Lecture Theatre\, Department of Chemistry
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