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Archive | Galaxies

Making a Milky Way

According to research presented by Eric Gawiser of Rutgers University, ancestors of Milky Way (MW) like galaxies appear to be Lyman Alpha emitting galaxies. These progenitors were about 1/10th the size of the MW, 1/20th the mass of the MW, and 1/40th the stellar mass of the MW (the rest of the mass is gas […]

Blue Blobs – Splat on the sky

Duilia deMello of the Catholic University of America and NASA Goddard is presenting in the afternoon galaxies press conference. I’m in here reporting while Rebecca edits, and Phil and Fraser are listening to the NASA town hall meeting. In peering around the universe we tend to stumble across a lot of weird small stuff. Blobs […]

Galaxies in the Mist

[warning Will Robinson: the voices in my head that used to help write Slacker Astronomy are forcing me to write in the genre of a sensationalized nature special] One of the most elusive creatures speculated to lurk within the sky are the mysterious very high-redshift Lyman alpha emission galaxies. These systems, without the metal found […]