Tag: early galaxies
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The week in review (October 20-26)
I had a wonderful time at GeekGirlCon; thanks again to Dr. Rubidium, AKA Nick Fury, for putting together the DIY Science Zone, and to everyone who made it a great event. I have a more formal wrap-up post in the works, but in the meantime, have some science writing. The river of spacetime (Galileo’s Pendulum):…
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In which I get a little fanboyish about ALMA
I’m a theoretical physicist by training and inclination, but I’m not immune to awesome experiments or observatories. (Ahem.) Case in point: the new Atacama Large Millimeter/submillimeter Array (ALMA) in Chile. This array of 66 telescopes in the high Atacama Desert is particularly well suited to hunt for the earliest galaxies and stars in the Universe.…
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Halo star haze helps hidden galaxies look huge
(Not fully alliterative, but it’s the best I can do after driving 6 hours today.) The halos of galaxies are best known for harboring dark matter, but they also contain stars. Only a tiny fraction of the total stars in a galaxy are in the halo, so usually they’re hard to spot, but astronomers are…
