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> South Atlantic Anomaly. This sounds like scifi stuff to me lol: > The South Atlantic Anomaly (SAA) is an area where Earth's inner Van Allen radiation belt c
by komali2 4y ago
> South Atlantic Anomaly.
This sounds like scifi stuff to me lol:
> The South Atlantic Anomaly (SAA) is an area where Earth's inner Van Allen radiation belt comes closest to Earth's surface, dipping down to an altitude of 200 kilometres (120 mi). This leads to an increased flux of energetic particles in this region and exposes orbiting satellites (including the ISS) to higher-than-usual levels of ionizing radiation.
https://en.m.wikipedia.org/wiki/South_Atlantic_Anomaly https://en.m.wikipedia.org/wiki/South_Atlantic_Anomaly
I'm a HUGE space nerd and never heard of this. What else do I have no idea about??
- defrost 4y agoThe teapot? Or, more seriously, Magnetorquers for sat attitude control and stabilization are somewhat obscure given they rely on good knowledge of the earth's geomagnetic field which fluctuates daily. https://en.wikipedia.org/wiki/Magnetorquer https://en.wikipedia.org/wiki/Magnetorquer Maybe Cryogenic Sapphire Oscillators (high precision clocks for gravity and other apps)? https://www.uwa.edu.au/study/-/media/Faculties/Science/Docs/The-physics-behind-Measuring-time.pdf https://www.uwa.edu.au/study/-/media/Faculties/Science/Docs/... https://www.adelaide.edu.au/ipas/our-research/defence-security/cryogenic-sapphire-oscillator-the-sapphire-clock https://www.adelaide.edu.au/ipas/our-research/defence-securi...
- samplatt 4y ago>I'm a HUGE space nerd and never heard of this. What else do I have no idea about?? Check out the Great Annihilator. Two black holes near our galactic core feeding off each other.