Results 191 to 200 of about 260,301 (310)

Horizontal and vertical exoplanet thermal structure from a JWST spectroscopic eclipse map. [PDF]

open access: yesNat Astron
Challener RC   +35 more
europepmc   +1 more source

Children's ideas in astronomy : a quasi-experimental study of knowledge acquisition and concept learning in the upper primary years of schooling

open access: yes, 2002
The research presented here, a quasi-experimental study of knowledge acquisition and concept learning in the upper primary years of schooling, systematically identifies, categorises and describes children's ideas and mental models in the 'traditional' content areas of astronomy (the Earth, the Sun, the Moon, Earth-Sun-Moon System phenomena and the ...
openaire   +1 more source

Adaptive blind image deblurring and denoising

open access: yesScandinavian Journal of Statistics, EarlyView.
Abstract Blind image deblurring aims to reconstruct the original image from its blurred version without knowing the blurring mechanism. This is a challenging ill‐posed problem because there are infinitely many possible solutions. The ill‐posedness is further exacerbated if the blurring mechanism depends on the pixel location.
Yicheng Kang   +2 more
wiley   +1 more source

Spectroscopic Supermassive Dark Star candidates. [PDF]

open access: yesProc Natl Acad Sci U S A
Ilie C, Mahmud SS, Paulin J, Freese K.
europepmc   +1 more source

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

Pristine ices in a planet-forming disk revealed by heavy water. [PDF]

open access: yesNat Astron
Leemker M   +6 more
europepmc   +1 more source

Spectroscopic insights into the near-earth didymos-dimorphos binary system following the double asteroid redirection test (DART) mission impact. [PDF]

open access: yesNat Commun
Lazzarin M   +21 more
europepmc   +1 more source

Abundant supernova dust and heterogeneous aqueous alteration revealed by stardust in two lithologies of asteroid Bennu. [PDF]

open access: yesNat Astron
Nguyen AN   +10 more
europepmc   +1 more source

Trends in K‐12 science education research on students' interest, motivation and attitude towards science and technology: A systematic, reproductive and comparative review of 12 more years (2013–2024)

open access: yesReview of Education, Volume 14, Issue 1, April 2026.
Abstract This study presents a systematic, reproductive and comparative review of research on students' interest, motivation and attitude (I/M/A) towards science and technology (S&T) at K‐12 levels, covering the period 2013–2024. As a follow‐up to a previous systematic review (2000–2012), it describes and synthesizes findings from 170 peer‐reviewed ...
Patrice Potvin   +4 more
wiley   +1 more source

Extreme properties of a compact and massive accreting black hole host in the first 500 Myr. [PDF]

open access: yesNat Commun
Tripodi R   +31 more
europepmc   +1 more source

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