Results 81 to 90 of about 8,325 (213)
Discovery of the optical counterpart to the X-ray pulsar SAX J2103.5+4545
, 2004 We report optical and infrared photometric and spectroscopic observations that identify the counterpart to the 358.6-s X-ray transient pulsar SAX J2103.5+4545 with a moderately reddened V=14.2 B0Ve star.
Alcock +52 more
core +1 more source
The StarLink Case: Issues for the Future [PDF]
The disclosure in September 2000 that StarLink corn had been found in the human food supply putfood biotechnology in the public spotlight and caused concern among consumers and food systemstakeholders alike that a product approved only for animal use ...
Taylor, Michael, Tick, Jody
core
Starlink Satellite Brightness Before VisorSat
, 2020 The mean of 830 visual magnitudes adjusted to a distance of 550 km (the operational altitude) is 4.63 +/-0.02. The data on DarkSat, the low-albedo satellite, indicate that it is fainter than the others by 1.6 magnitudes or 78%. However, there is considerable uncertainty in this value due to the small number of observations.
openaire +2 more sources
Joint pseudo-range and Doppler positioning method with LEO Satellites‘ signals of opportunity
Satellite NavigationLow Earth Orbit (LEO) satellites, with their wide coverage and large number, have gradually become a crucial platform and means for navigation and positioning services. Compared to other LEO constellations, Starlink has over 6000 satellites in orbit, and
Ying Xu +5 more
doaj +1 more source
Observatory/data centre partnerships and the VO-centric archive: The JCMT Science Archive experience
, 2014 We present, as a case study, a description of the partnership between an observatory (JCMT) and a data centre (CADC) that led to the development of the JCMT Science Archive (JSA).
Bell, Graham S. +12 more
core +1 more source
Dianxin kexue, 2022 The power flux-density (PFD) is an interference criterion for protecting terrestrial service systems from space service systems.A calculation method on the PFD produced by the emissions from the steerable beam of low earth orbit (LEO) constellation ...
Ying HUANG, Wei LI, Chen JIAN, Kang YAN
doaj +2 more sources
The Market Effect of a Food Scare: The Case of Genetically Modified StarLink Corn [PDF]
Genetic modification of crops has revolutionized food production, but it remains controversial due to food safety concerns. A recent food safety scare provides a natural experiment on the market's willingness to accept an increase in perceived risk from ...
Carter, Colin A., Smith, Aaron D.
core +1 more source
Starlink Business Model and Network Mode Under the Direct-to-Satellite Service of Mobile Phone
天地一体化信息网络The paper initially provided a brief comparison of the direct-to-satellite solution of three LEO satellite communication companies: Starlink, AST SpaceMobile and Lynk Global.While Starlink has successfully conducted with SMS, Voice and Data service test,
Yuanxing XUE, Zhi ZHAO, Qiaoman DUAN
doaj +2 more sources
Analysis of Starlink System Service Capabilities
天地一体化信息网络This paper first provided an overview of the current status of the Starlink constellation development, then studied the Starlink system from aspects such as system composition, satellite iteration versions, constellation configuration, and system ...
WANG Jingxian +4 more
doaj
SHRINKING INTERNATIONAL MARKETS FOR GM CROPS? [PDF]
Crop Production/Industries, International Relations/Trade, Research and Development/Tech Change/Emerging Technologies,
Paarlberg, Robert L.
core +1 more source