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Articles tagged: radio waves

  • solar storms, space insurance, space risk management June 2021 The next ‘unthinkable’ – global disruption from a solar storm

    ... x-rays can affect both high and low frequency radio signals by disturbing Earth’s ionosphere through which radio waves travel. The strongest radio blackouts can totally shut down radio communication and GPS for hours at a time. The degradation...

    • solar storms
    • space insurance
    • space risk management
    Authors: Calogero Nicosia    
  • Australian Square Kilometre Array Pathfinder (ASKAP), CSIRO, Pawsey Supercomputing Centre, Rapid ASKAP Continuum Survey (RACS), Square Kilometre Array 02 December 2020 Astronomers map a million previously undiscovered galaxies in record time

    ...most detailed survey of the southern sky ever carried out using radio waves. All in all, 13.5 exabytes of raw data was ... (SKA); an international effort to build the world’s largest radio telescope. The SKA will eventually use thousands of dishes and...

    • Australian Square Kilometre Array Pathfinder (ASKAP)
    • CSIRO
    • Pawsey Supercomputing Centre
    • Rapid ASKAP Continuum Survey (RACS)
    • Square Kilometre Array
  • Andromeda, dwarf galaxies, Milky Way October 2016 The dwarf galaxy problem

    ... of dwarf galaxies can be seen surrounding it. In this image every object is a galaxy. This neutral hydrogen gas emits radio waves with a wavelength of 21cm and is a ‘forbidden line’, meaning the transition which causes it is very rare and wouldn...

    • Andromeda
    • dwarf galaxies
    • Milky Way
    Authors: Olivia Keenan    
  • Igor Zharenov, RDC ScanEx, Sputnix Ltd, STRaND-1, Vladimir Gershenzon March 2015 Sky links: from multi-satellite systems to nano-launchers

    ...open hardware and open software is best suited. Software-defined radio technologies (SDR) can be used for high-frequency sections ... properties. Spatial and polarisation division of same-frequency radio-waves is a principle that is still widely used. ...

    • Igor Zharenov
    • RDC ScanEx
    • Sputnix Ltd
    • STRaND-1
    • Vladimir Gershenzon
    Authors: Alexander Popov     Andrey Potapov     Igor Zharenov     Vladimir Gershenzon    
  • Fast Radio Burst, FRB 121102, FRB 180916.J10158+56, Jodrell Bank Observatory, Lovell Telescope 08 June 2020 New discovery provides important clues on mysterious cosmic bursts

    ..., while looking through archival pulsar survey data, two astronomers spotted something very unusual; fleeting bursts of radio wave emission caused by some unexplained high-energy astrophysical process. Since then, the race has been on to discover...

    • Fast Radio Burst
    • FRB 121102
    • FRB 180916.J10158+56
    • Jodrell Bank Observatory
    • Lovell Telescope
  • commercial space, Human spaceflight, lunar mission, NewSpace, Space economy April 2020 Is space poised to take another giant leap?

    ...mission to go looking for lunar water ice when it bounced radio waves off the south pole’s Shackleton Crater, hinting at the presence...Today, it is China that is currently leading this new wave of lunar exploration, racing from a first lunar orbiter to...

    • commercial space
    • Human spaceflight
    • lunar mission
    • NewSpace
    • Space economy
    Authors: Christopher Riley    
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