Word: frebel
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Dates: during 2010-2010
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...roughly 13.7 billion year old universe, Frebel said she estimated that the star in Sculptor was 12 to 13 billion years...
...then offered the coordinates of this star to Frebel, who departed for Chile to take a closer look with the Magellen-Clay Telescope using high-resolution spectroscopy. Though this kind of spectroscopy takes much longer, it provides more details about the “personality” of the star, Frebel said...
Besides time constraints, Frebel also had to keep an eye on the weather. Even mild cloud cover or slight winds can greatly interfere with nightly measurements, she said...
Astronomy professor Abraham “Avi” Loeb, who is writing a book about how the first galaxies were created, called Frebel a pioneer, and said he believes this research puts the theory that the galaxy was formed out of small building blocks “on more robust ground...
...Frebel is back in Chile this week continuing the same line of research, hoping to find even more metal-poor stars in dwarf galaxies...