Results 131 to 140 of about 10,320 (291)

Finding Stars: Mapping the Geography of the World's Scientific Elites

open access: yesTransactions of the Institute of British Geographers, EarlyView.
Short Abstract Scientific excellence is clustering ever more tightly in a few ‘superstar’ cities. Four—New York, Boston, London and the San Francisco Bay Area—now host 12% of the world's top scientists. In contrast, the Global South remains largely absent, with the notable exception of Beijing's dramatic rise.
Andrés Rodríguez‐Pose   +2 more
wiley   +1 more source

Airborne Fireball

open access: yesEos, 2018
A surprise sighting of a meteor in the sky above southeast Michigan.
openaire   +1 more source

Spectral Shapes of Pair Annihilation Line Emission in Magnetar Giant Flares

open access: yesThe Astrophysical Journal Letters
We investigate the gamma-ray spectrum in the MeV range arising from electron–positron pair annihilation in fireballs associated with magnetar giant flares (MGFs), motivated by the recent observation of a MeV gamma-ray line feature in a bright gamma-ray ...
Tomoki Wada, Shigeo S Kimura
doaj   +1 more source

The optical, seismic, and infrasound signature of the March 5 2022, bolide over Central Italy. [PDF]

open access: yesSci Rep, 2023
Olivieri M   +9 more
europepmc   +1 more source

Instrumental recording of electrophonic sounds from Leonid fireballs [PDF]

open access: bronze, 2002
Goran Zgrablić   +7 more
openalex   +1 more source

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