Results 121 to 130 of about 6,767,247 (161)

Impact of Observatory Visitor Centres on the Public's Understanding of Astronomy

open access: yes, 2000
In recent years, formal astronomy education has become an issue of great interest. Indeed, some boards of education now officially include astronomy in their curricula.
Burtnyk, Kimberly
core  

ISRN Astronomy and Astrophysics

open access: yes, 2011
SRN Astronomy and Astrophysics is a peer-reviewed, open access journal that publishes original research articles as well as review articles in all areas of astronomy and ...
CAPUZZO DOLCETTA, Roberto Angelo
core  

The Astronomy Center

open access: yes
The wonder and mystery associated with distant objects in space has fascinated humans for millennia, and young people today remain eager to learn about the world of astronomy.

core  

An air shower array designed for cosmic ray variation measurements and high energy gamma ray astronomy

Nuclear Instruments and Methods in Physics Research, 1981
Abstract We describe an array for performing measurements of counting rates and arrival directions of extensive air showers at primary energy E 0 ⋍ 3 × 10 13 eV and recording the fluctuations in counting rates at E 0 ⋍ 3 × 10 9 eV .
C. Morello, G. Navarra
openaire   +2 more sources

Photon ring test of the Kerr hypothesis: Variation in the ring shape [PDF]

open access: yesAstronomy and Astrophysics, 2022
The Event Horizon Telescope (EHT) collaboration recently released horizon-scale images of the supermassive black hole M87*. These images are consistently described by an optically thin, lensed accretion flow in the Kerr spacetime. General relativity (GR)
Alexandru Lupsasca   +2 more
exaly   +2 more sources

Evidence for limited compositional and particle size variation on asteroid (101955) Bennu from thermal infrared spectroscopy

Astronomy & Astrophysics, 2021
Context. Asteroid (101955) Bennu is the target of NASA’s Origins, Spectral Interpretation, Resource Identification, and Security–Regolith Explorer (OSIRIS-REx) mission.
V. Hamilton   +15 more
semanticscholar   +1 more source

The influence of Tidology and Astronomy in Alfred Marshall’s economics: a reassessment of his economic method for the analysis of periodic and secular variations

Evolutionary and Institutional Economics Review, 2021
Alfred Marshall explored a scientific method for theorising complex economic phenomena using mechanical and biological analogies. Moreover from his very first book The Economics of Industry Marshall paid attention to the efficacy of a science of tendencies to understand real economic movements.
openaire   +1 more source

Generation of Coherent Signals for the Verification of Signal Processing Algorithms in Radio Astronomy

Pacific Rim Conference on Communications, Computers and Signal Processing, 2019
Next generation radio telescopes (e.g. SKA, ngVLA) are required to meet stringent requirements in signal quality. Simulation methods have been extensively used for both design and verification of the signal chains of these telescopes. A key aspect of the
T. Gunaratne
semanticscholar   +1 more source

Total variation and point spread function priors for MLEM reconstruction in Compton camera imaging

Nuclear Science Symposium and Medical Imaging Conference, 2018
The Compton camera is a gamma ray imaging device already employed in astronomy and still in investigation for clinical domain. A key point in the imaging process is the tomographic reconstruction step.
Yue-Meng Feng   +4 more
semanticscholar   +1 more source

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