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Sep 6, 2024 · Tracing the rise of supermassive black holes - A panchromatic search for faint, unobscured quasars at z ≳ 6 with COSMOS-Web and other surveys. Introducing the Condor Array Telescope – III. The expansion and age of the shell of the dwarf nova Z Camelopardalis, and detection of a second, larger shell.
Sep 11, 2024 · We present results of our dynamical stream modelling for the North West Stream in the outer halo of the Andromeda galaxy (M31). Comprising two main segments, the North West Stream was thought to be a single structured arching around M31.
Sep 11, 2024 · 11 Sep 2024 · Janet Preston, Denis Erkal, Michelle L. M. Collins, Rodrigo Ibata, R. Michael Rich · Edit social preview We present a kinematic and spectroscopic analysis of 40 red giant branch stars, in 9 fields, exquisitely delineating the lower segment of the North West Stream (NW-K2), which extends for $\sim$80 kpc from the ...
1 day ago · Tyson was a lecturer in astronomy at the University of Maryland from 1986 to 1987 [24] and in 1988, he was accepted into the astronomy graduate program at Columbia University, where he earned a Master of Philosophy degree in astrophysics in 1989, and a PhD degree in astrophysics in 1991 [25] under the supervision of Professor R. Michael Rich.
1 day ago · Ramaswamy said that he voted for Michael Badnarik, the Libertarian Party presidential nominee in 2004, but did not vote in the presidential elections in 2008, 2012, or 2016. [74] He described himself as apolitical during this period. [75] He supported Donald Trump in the 2020 election.
3 days ago · The resource curse, also known as the paradox of plenty or the poverty paradox, is the hypothesis that countries with an abundance of natural resources (such as fossil fuels and certain minerals) have lower economic growth, lower rates of democracy, or poorer development outcomes than countries with fewer natural resources. [ 1 ] .
Sep 2, 2024 · CONSTRAINTS ON THE FORMATION OF THE GALACTIC BULGE FROM Na, Al, AND HEAVY-ELEMENT ABUNDANCES IN PLAUT's FIELD Christian I. Johnson, R. Michael Rich, Chiaki Kobayashi et al. - Effect of carriers on physico-chemical properties and activity of Pd nano-catalyst in n -hexane isomerization Cam Loc Luu, Thi Kim Thoa Dao, Tri Nguyen et al. - Magnetic en...
