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Explorer 30 IQSY Solar Explorer SOLRAD Solar-Radiation Spacecraft Family

Explorer 30, an International Quiet Sun Year solar explorer also known as SOLRAD-3, was a NASA Scout-launched satellite placed in orbit on November 18, 1965. Six photometers and four Geiger-Mueller counters monitored solar X-rays and ultraviolet radiation with real-time and stored telemetry for continuity of solar-radiation observations.

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Identity

Aliases
Explorer 30Explorer XXXSOLRAD-3IQSY Solar Explorer1965 95AExplorer 30 spacecraft
Family Name
Explorer 30
Full Name
Explorer 30 IQSY Solar Explorer SOLRAD Solar-Radiation Spacecraft Family
Roles
orbiterobservatoryresearch
Status
retired
Type
spacecraft

Details

Description
Explorer 30, an International Quiet Sun Year solar explorer also known as SOLRAD-3, was a NASA Scout-launched satellite placed in orbit on November 18, 1965. Six photometers and four Geiger-Mueller counters monitored solar X-rays and ultraviolet radiation with real-time and stored telemetry for continuity of solar-radiation observations.
First Flight Year
1,965
Last Flight Year
1,966

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Creation Time
August 14, 2026 at 07:41:40 UTC
Updated Time
August 14, 2026 at 07:41:40 UTC