Results 21 to 30 of about 16,930,626 (383)

Clusters of Solar Radio Spikes Modulated by Quasi-Periodic Pulsations in a Confined Flare

open access: yesUniverse, 2022
Spikes are typical radio bursts in solar flares, which are proposed to be the signal of energy release in the solar corona. The whole group of spikes always shows different spectral patterns in the dynamic spectrum. Here, we present a special new feature
Jing Huang   +10 more
doaj   +1 more source

The Draft Law of Ukraine “On the Extraction and Utilization of Natural Resources of the Moon and Other Celestial Bodies” [PDF]

open access: yesAdvanced Space Law, 2020
The development of space resource activities is happening now. In the absence of a clear framework to govern these activities, there is a need to examine the concepts that are being discussed to ensure that they meet existing treaty obligations regarding
Inessa Kostenko
doaj   +1 more source

SAC-D AQUARIUS A SATELLITE FOR OCEAN, CLIMATE AND ENVIRONMENT. ONE YEAR OF DATA [PDF]

open access: yesThe International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences, 2012
The SAC-D/Aquarius satellite was launched in June 10, 2011. It's a joint mission between Argentina (through CONAE) and US (NASA). This satellite is a true Observatory with a suite of sensors for Earth Observation, its weight is 1400 kg, sun-synchronous ...
S. Torrusio   +3 more
doaj   +1 more source

High-Precision Magnetic Testbed Design and Simulation for LEO Small-Satellite Control Test

open access: yesAerospace, 2023
Small satellites with academic missions in low Earth orbit (LEO) employ magnetic attitude control systems primarily due to their ease of development and low cost. These systems utilize magnetorquers to generate a magnetic moment that interacts with Earth’
Jhonny Uscategui   +3 more
doaj   +1 more source

Space as an Invention of Active Agents [PDF]

open access: yesFrontiers in Robotics and AI, 2016
The question of the nature of space around us has occupied thinkers since the dawn of humanity, with scientists and philosophers today implicitly assuming that space is something that exists objectively. Here, we show that this does not have to be the case: the notion of space could emerge when biological organisms seek an economic representation of ...
Alexander V. Terekhov   +1 more
openaire   +3 more sources

Verification of Angular Response of Sky Quality Meter with Quasi-Punctual Light Sources

open access: yesSensors, 2021
Sky Quality Meter (SQM) is a commercial instrument based on photometers widely used by amateur astronomers for skyglow measurement from the ground. In the framework of the MINLU project, two SQM-LE units were integrated in an autonomous sensor suite ...
Mirco Bartolomei   +4 more
doaj   +1 more source

Public Administration Required in Ukraine for Private Space Rocket Engineering [PDF]

open access: yesAdvanced Space Law, 2021
The author considers the historical and legal aspects of the development of the rocket and space industry of Ukraine as a heritage of the production of intercontinental missiles within the framework of the military-industrial complex (MIC) of the USSR ...
Alexander Levenko
doaj   +1 more source

comparative analysis, competition, legal tool, plan, program, public administering, space industry, state, tender, USA, Ukraine [PDF]

open access: yesAdvanced Space Law, 2022
The article examines the issue of the space race in terms of the views of Soviet scientists and American scientists. The article cites normative legal acts, internal orders, and decrees of the Soviet era in the aspect of space activity for the period ...
Inesa Kostenko
doaj   +1 more source

The November 2019 Seismic Sequence in Albania: Geodetic Constraints and Fault Interaction

open access: yesRemote Sensing, 2020
The seismic sequence of November 2019 in Albania culminating with the Mw = 6.4 event of 26 November 2019 was examined from the geodetic (InSAR and GNSS), structural, and historical viewpoints, with some ideas on possible areas of greater hazard.
Alessandro Caporali   +5 more
doaj   +1 more source

Interplay of the Public and Private Sectors in the Development of Outer Space [PDF]

open access: yesФилософия и космология, 2023
The article presents the results of a study of the interaction between the public and private sectors in the field of outer space exploration. The purpose of the study was to identify the peculiarities of interaction between public authorities and ...
Iaroslav Teleshun, Oleg Batrymenko
doaj   +1 more source

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