Results 31 to 40 of about 750,909 (382)
Nature, 1872 A LETTER, signed by one of the Professors of the University of Chicago, commenting on the impoverished state of the Chicago Observatory since the great fire in that city, having had an extensive circulation through the Press, I have to request the favour of the insertion in your columns of the following statement on the subject, just received by the ...
Dunkin, Edwin, Safford, T. H.
openaire +2 more sources
High Quantities of Microplastic in Arctic Deep-Sea Sediments from the HAUSGARTEN Observatory.
Environmental Science and Technology, 2017 Although mounting evidence suggests the ubiquity of microplastic in aquatic ecosystems worldwide, our knowledge of its distribution in remote environments such as Polar Regions and the deep sea is scarce.
M. Bergmann +6 more
semanticscholar +1 more source
The POEMMA (Probe of Extreme Multi-Messenger Astrophysics) observatory [PDF]
Journal of Cosmology and Astroparticle Physics, 2020 The Probe Of Extreme Multi-Messenger Astrophysics (POEMMA) is designed to accurately observe ultra-high-energy cosmic rays (UHECRs) and cosmic neutrinos from space with sensitivity over the full celestial sky.
A. Olinto +75 more
semanticscholar +1 more source
AIP Conference Proceedings, 2011 Ground-based gamma-ray astronomy has experienced a major breakthrough in the last decade thanks to the advent of new generation instruments such as H.E.S.S., MAGIC, Milagro and VERITAS. A large variety of cosmic particle accelerators has been unveiled, comprising supermassive black holes in the centres of active galaxies, nearby star forming galaxies ...
Jürgen Knödlseder +3 more
openaire +4 more sources
The Australian Acoustic Observatory
Methods in Ecology and Evolution, 2021 Fauna surveys are traditionally manual, and hence limited in scale, expensive and labour‐intensive. Low‐cost hardware and storage mean that acoustic recording now has the potential to efficiently build scale in terrestrial fauna surveys, both spatially ...
P. Roe +8 more
semanticscholar +1 more source
Frontiers in Astronomy and Space Sciences, 2022 The observation of small bodies in the Space Environment is an ongoing important task in astronomy. While nowadays new objects are mostly detected in larger sky surveys, several follow-up observations are usually needed for each object to improve the ...
Tobias Hoffmann +12 more
doaj +1 more source
The Apache Point Observatory Galactic Evolution Experiment (APOGEE) Spectrographs [PDF]
Publications of the Astronomical Society of the Pacific, 2019 We describe the design and performance of the near-infrared (1.51–1.70 μm), fiber-fed, multi-object (300 fibers), high resolution (R = λ/Δλ ∼ 22,500) spectrograph built for the Apache Point Observatory Galactic Evolution Experiment (APOGEE).
John C. Wilson +90 more
semanticscholar +1 more source
Revue d'anthropologie des connaissances, 2010 The development of the course-of-action research program has included both the creation of methods of data construction and the transformation of methods belonging to other research programs.
Jacques Theureau
doaj +1 more source
Design and sensitivity of the Radio Neutrino Observatory in Greenland (RNO-G) [PDF]
Journal of Instrumentation, 2020 This article presents the design of the Radio Neutrino Observatory Greenland (RNO-G) and discusses its scientific prospects. Using an array of radio sensors, RNO-G seeks to measure neutrinos above 10 PeV by exploiting the Askaryan effect in neutrino ...
J. Aguilar +54 more
semanticscholar +1 more source