Payload / Mission
Explorer 21
Type
Astrophysics
Orbit
Elliptical Orbit (Elliptical)
Explorer 21 (IMP 2) was a solar-cell and chemical-battery powered spacecraft instrumented for interplanetary and distant magnetospheric studies of energetic particles, cosmic rays, magnetic fields, and plasmas.
🚀 About the rocket: —
Is This The End Of The Delta Rockets?
enWhat about it!?· Apr 2, 2024
Delta 178 Rocket Launch Failure - GOES-G Weather Satellite, 1986, NASA, NOAA
enRetro Space HD· Mar 29, 2022
Why Delta IV Rocket Sets Itself on Fire? #shorts
enNot What You Think· Feb 1, 2021
Delta IV - a very expensive pleasure
enSkyships Eng· Jan 6, 2021
Project ABLE - Film Report 2 (segment) - Restored Color, Jan 1959, USAF, Thor-Able, solid rocket
enRetro Space HD· Sep 8, 2020
Delta rocket | Wikipedia audio article
enWikipedia Fan· May 17, 2019
Delta C | Wikipedia audio article
enwikipedia tts· May 6, 2019
Delta (rocket family) | Wikipedia audio article
enwikipedia tts· May 6, 2019
List of Thor and Delta launches | Wikipedia audio article
enWikipedia Fan· May 5, 2019
Thor-Able-Star rocket launch in Cape Canaveral, Florida. HD Stock Footage
enCriticalPast· Jun 5, 2014