August 12, 2026
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Breaking News
  • [ August 11, 2026 ] Firefly Aerospace pushes debut of Alpha Block 2 rocket to the fourth quarter of 2026 Alpha
  • [ August 11, 2026 ] Live coverage: SpaceX to launch 24 Starlink satellites on Falcon 9 rocket from Vandenberg SFB Falcon 9
  • [ August 10, 2026 ] Window for 2026 launch debut of Rocket Lab’s Neutron rocket ‘is narrowing’ as development continues Neutron
  • [ August 10, 2026 ] SpaceX launches Tuesday noontime Starlink mission following Monday scrub Falcon 9
  • [ August 8, 2026 ] SpaceX West Coast launch surge continues with Starlink mission Falcon 9

Van Allen radiation belts

Mission Reports

NASA’s resilient Van Allen Probes shut down

October 20, 2019 Stephen Clark

Ground controllers transmitted commands to shut down the second of NASA’s Van Allen Probes on Friday, three months after turning off an identical satellite to conclude a seven-year mission that explored the donut-shaped radiation belts surrounding Earth.

Mission Reports

Research platform launched to brave Van Allen radiation belts

December 20, 2016 Stephen Clark

Japan launched a research satellite Tuesday to repeatedly fly through the Van Allen belts high above Earth, helping scientists sort out how chaotic geomagnetic storms form and evolve and potentially endanger astronauts, spacecraft and infrastructure vital to life on the ground.

Mission Reports

Live coverage: Japan’s enhanced Epsilon booster blasts off

December 20, 2016 Stephen Clark

A Japanese Epsilon rocket launched Tuesday from the Uchinoura Space Center, a shoreline spaceport on the southern Japanese island of Kyushu, with a space weather research probe to study phenomena inside the turbulent Van Allen radiation belts. Liftoff of the 85-foot-tall rocket occurred at 1100 GMT (6 a.m. EST).

Mission Reports

Timeline of events during Epsilon rocket’s launch with the ERG mission

December 19, 2016 Stephen Clark

An Epsilon rocket is set to send a Japanese space weather research probe into an orbit stretching more than 20,000 miles above Earth to investigate how the Van Allen radiation belts shrink and swell with variable solar activity.

Mission Reports

Japan prepares launch of satellite to probe Earth’s radiation belts

December 19, 2016 Stephen Clark

Japanese engineers aim to launch an upgraded Epsilon booster Tuesday with a satellite to study the origins of powerful geomagnetic storms, phenomena that trigger picturesque polar auroras but could disrupt communications and and damage electric grids.

News Headlines

  • Firefly Aerospace pushes debut of Alpha Block 2 rocket to the fourth quarter of 2026
    August 11, 2026
  • Live coverage: SpaceX to launch 24 Starlink satellites on Falcon 9 rocket from Vandenberg SFB
    August 11, 2026
  • Window for 2026 launch debut of Rocket Lab’s Neutron rocket ‘is narrowing’ as development continues
    August 10, 2026
  • SpaceX launches Tuesday noontime Starlink mission following Monday scrub
    August 10, 2026
  • SpaceX West Coast launch surge continues with Starlink mission
    August 8, 2026
  • Blue Origin identifies engine issue behind New Glenn explosion
    August 6, 2026
  • NASA, Northrop Grumman repurpose Gateway elements for Moon Base demo missions
    August 6, 2026
  • SpaceX launches 3 AST SpaceMobile BlueBird satellites on Falcon 9 rocket from Cape Canaveral
    August 5, 2026
  • SpaceX launches 24 Starlink satellites on Falcon 9 rocket from Vandenberg SFB
    August 4, 2026
  • SpaceX launches classified payload for National Reconnaissance Office
    July 29, 2026
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