Results 1 to 10 of about 7,064 (120)
RR Lyrae and Type II Cepheid Variables in Globular Clusters: Optical and Infrared Properties
Universe, 2022 Globular clusters are both primary fossils of galactic evolution and formation and are ideal laboratories for constraining the evolution of low-mass and metal-poor stars.
Anupam Bhardwaj
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Frontiers in Astronomy and Space Sciences, 2022 The giant planets of our Solar System are exotic laboratories, enshrouding keys which can be used to decipher planetary formation mysteries beneath their cloudy veils.
Cody L. Shaw +5 more
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Lasers for Satellite Uplinks and Downlinks
Sci, 2021 The use of Light Amplification by Stimulated Emission of Radiation (i.e., LASERs or lasers) by the U.S. Department of Defense is not new and includes laser weapons guidance, laser-aided measurements, and even lasers as weapons (e.g., Airborne Laser ...
Mark Dmytryszyn +2 more
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Remote Sensing, 2021 We present the observations of two type III solar radio events performed with LOFAR (LOw-Frequency ARray) station in Bałdy (PL612), Poland in single mode. The first event occurred on 20th August 2017 and the second one on 9th September 2017.
Bartosz Dabrowski +9 more
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Bacterial accumulation of different telescopic crowns: (PEEK) versus Cobalt-Chromium telescopes in implant-supported mandibular overdenture. [PDF]
Minia Journal of Medical Research, 2021 Purpose: The purpose of this study is to compare bacterial accumulation between telescopic over dentures fabricated by two different materials: PEEK ( Polyetheretherketone) and Cobalt-Chromium copings.
Ahmad Abd El Azeem +2 more
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Revealing observatory networks through object stories: Observatory audiences
Science Museum Group Journal, 2023 Like the contributions to the other papers in this collection (‘Object itineraries’ and ‘Instrumental networks’), those in this final section explore instrumental networks and object itineraries in order to tell new histories of observatory sites and ...
Rebekah Higgitt +2 more
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Prospects of SETI by small size optical telescopes [PDF]
Serbian Astronomical Journal, 2022 In the present manuscript we consider the possibility of conducting SETI with small-size (with diameters less than 1 m) optical telescopes. Calculations are performed for typical parameters of the mentioned type of telescopes. In particular, we show that
Osmanov Z.N., Berezhiani V.I.
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Prospects of Searching for Type Ia Supernovae with 2.5-m Wide Field Survey Telescope
Universe, 2022 Type Ia supernovae (SNe Ia) are thermonuclear explosions of carbon-oxygen white dwarfs (WDs) and are well-known as a distance indicator. However, it is still unclear how WDs increase their mass near the Chandrasekhar limit and how the thermonuclear ...
Maokai Hu +6 more
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A study of optical observing techniques for extra-galactic supernova remnants: Case of NGC300 [PDF]
Serbian Astronomical Journal, 2012 We present the results of a study of observational and identification techniques used for surveys and spectroscopy of candidate supernova remnants (SNRs) in the Sculptor Group galaxy NGC300.
Millar W.C., White G.L., Filipović M.D.
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An updated approach to low-vision assessment
Journal of Clinical Ophthalmology and Research, 2022 The 2017 Global Burden of Disease study ranked vision impairment, including blindness, as the third cause among all impairments for years lived with disability visual impairment has enormous social and economic consequences in terms of productivity ...
Alka Tripathi, Richa Agarwal
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