Graduate Student

Farthest Stars

Farthest stars in Milky Way might be ripped from another galaxy

January 11, 2017

Harvard Graduate student Marion Dierickx recent paper featured:

"The 11 farthest known stars in our galaxy are located about 300,000 light-years from Earth, well outside the Milky Way's spiral disk. New research by Harvard astronomers shows that half of those stars might have been ripped from another galaxy: the Sagittarius dwarf. Moreover, they are members of a lengthy stream of stars extending one million light-years across space, or 10 times the width of our galaxy."

Read more at: http://… Read more about Farthest stars in Milky Way might be ripped from another galaxy

ESO/M. Kornmesser

Detection of Methanol Shows Comets are Forming in Distant Solar System

June 15, 2016

Astronomers announced today that they have found the organic molecule methyl alcohol, or methanol, in the TW Hydrae protoplanetary disk. This is the first such detection of this chemical compound in a young planet-forming disk. Because methanol forms on the icy coatings of small dust grains, this discovery provides a window into the region where comets likely are forming. 

Read More: https://www.cfa.harvard.edu/news/2016-13

Image: Christine Pulliam (CfA). Sun image: NASA/SDO

Universe's First Life Might Have Been Born on Carbon Planets

June 8, 2016

"Our Earth consists of silicate rocks and an iron core with a thin veneer of water and life. But the first potentially habitable worlds to form might have been very different. New research suggests that planet formation in the early universe might have created carbon planets consisting of graphite, carbides, and diamond. Astronomers might find these diamond worlds by searching a rare class of stars.

"'This work shows that even stars with a tiny fraction of the carbon in our solar system can host planets,' says lead author and Harvard University graduate student Natalie Mashian.… Read more about Universe's First Life Might Have Been Born on Carbon Planets

Retreat

2016 Graduate Student Retreat

May 31, 2016

The graduate student retreat was a success again this year!  Roughly 20 students participated (including 5 first-years) in a day trip to Salem, MA.  Students explored Salem, visited the Friendship ship, went kayaking, paddle boarding, and fishing.  At the end of the day, they gathered for an outdoor barbecue with a beautiful view of the harbor. 

Read more about 2016 Graduate Student Retreat