Results 171 to 180 of about 329,644 (212)

Galactic archaeology in and around the Milky Way

open access: yes, 2011
There is much to be learnt from our own "cosmological backyard" Only in our own Milky Way and some surrounding galaxies we can resolve and observe individual stars and learn from them about galaxies in general. Because stars keep a chemical fingerprint during their lives and also preserve kinematical information for long times, studying the present-day
openaire   +1 more source

Micromegas with GEM preamplification for enhanced energy threshold in low-background gaseous time projection chambers. [PDF]

open access: yesOpen Res Eur
Castel Pablo JF   +15 more
europepmc   +1 more source

Evidence for an extraterrestrial impact 12,900 years ago that contributed to the megafaunal extinctions and the Younger Dryas cooling. [PDF]

open access: yesProc Natl Acad Sci U S A, 2007
Firestone RB   +25 more
europepmc   +1 more source

A dormant overmassive black hole in the early Universe. [PDF]

open access: yesNature
Juodžbalis I   +27 more
europepmc   +1 more source

Intervention and experiment. [PDF]

open access: yesEur J Philos Sci
Mikhalevich I.
europepmc   +1 more source

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