office of the director of national intelligence washington dc, 2008
Chairman Rockefeller, Vice-Chairman Bond, Members of the Committee, thank you for the invitation to offer my assessment of threats to US national security. ......
office of the national counterintelligence executive washington dc, 2007
The United States faces substantial challenges to its security, freedom, and prosperity. Transnational terrorism, continued proliferation of weapons of mass...
The Astrophysical Journal, American Astronomical Society, 1 mars 2017, Volume : 837, Numéro : 1
We present the first systematic investigation of the existence, spatial distribution, and kinematics of warm ionized gas as traced by the [O ii] 3727 Å...
Monthly Notices of the Royal Astronomical Society, Oxford, 16 septembre 2016, Volume : 464, Numéro : 1
We present spatially resolved two-dimensional stellar kinematics for the 41 most massive early-type galaxies (ETGs; MK ≲ −25.7 mag, stellar mass M* ≳ 1011.8...
The Astrophysical Journal, American Astronomical Society, 24 juin 2015, Volume : 807, Numéro : 1
We examine stellar population gradients in ~100 massive early-type galaxies spanning 180 < σ < 370 km s−₁ and MK of −22.5 to −26.5 mag, observed as part of the...
The Northern Hemisphere experienced dramatic changes during the last glacial, featuring vast ice sheets and abrupt climate events, while high northern...
Efforts to extract a Greenland ice core with a complete record of the Eemian interglacial (130,000 to 115,000 years ago) have until now been unsuccessful. The...