Протон
Data from the U.S. Earth observation satellite 'GOES' showed that the proton flux of protons with energy above 10 MeV began to rise at around 6:55 PM on November 10 due to the X1.2 class solar flare, exceeding 10 Proton Flux Units (PFU) at 8:25 PM and later dropping below 10 PFU around noon on the 11th.
Following the arrival of a shock wave toward Earth, the proton flux again increased after 8:30 AM on November 12, exceeding 1000 PFU by 10:40 AM, marking the third proton event.
The 'proton event' can cause 'polar absorption', which results in the absorption of shortwave radio waves in the polar regions, disrupting communications.
The proton flux above 10 MeV increased around 6:40 PM on November 11 due to the X5.1 class solar flare, surpassing 10 PFU at 6:55 PM, marking the second proton event.
The research team used CERN's HiRadMat facility to generate electron-positron pairs with the Super Proton Synchrotron.
Chandrayaan 2 orbiter detected two highly energetic proton emission events in January 2022 that NASA’s GOES-16 satellite could not observe.
LIGO detects changes in space-time smaller than 1/10,000 the width of a proton.
The Orion spacecraft's analysis uses data from major solar proton events to determine crew safety actions.
Chandrayaan 2’s CLASS instrument detected two highly energetic proton emission events in the solar wind in January 2022.
NASA’s GOES-16 satellite could not detect one of the January 2022 proton events that Chandrayaan 2’s CLASS detected because Earth’s magnetic field shielded GOES-16 from those particles.
NASA’s contributions replace elements of the Rosalind Franklin mission originally provided by Roscosmos, which had developed the landing platform and planned to launch the spacecraft on a Proton in September 2022.
The Almaz-T was lost in a Proton launch failure on November 29, 1986.
On March 12, 2023, a Proton-M rocket launched from the Baikonur Cosmodrome in Kazakhstan.
MEV-1 launched on 2019-10-09 on a Proton-M Briz-M and has a mass of 2,326 kg.
Intelsat launched 10 satellites throughout 1997 using a diversity of rockets including Arianespace’s Ariane 4, Lockheed Martin’s Atlas 2, and Russia’s Proton.
The OLC049, OLC249, and OLC449 optocouplers are designed for large satellite constellation applications that require optical isolation in radiation environments such as gamma, neutron, and proton radiation and provide a high current transfer ratio (CTR) and low saturation VCE.
International Launch Services became a Khrunichev-owned company focused on selling Proton and Angara launches to Western customers.
GITAI's radiation test involved proton energy levels of 70MeV or 200MeV with a fluence of 1 × 10^11 p/cm^2 and a flux between 1×10^6 to 1×10^8 p/cm^2/s.
The ExoMars mission was planned to launch in late September 2022 on a Proton launch vehicle from the Baikonur Cosmodrome.
ExoMars 2022 is scheduled to launch on a Proton-M rocket from Baikonur in September 2022.