Back to Missions

OSO-8

OSO-8 was NASA’s eighth and final Orbiting Solar Observatory. Launched on 1975-06-21, it studied the Sun’s chromosphere and transition region in high-resolution solar wavelengths while also observing solar, Earth-airglow, and cosmic X-ray sources from low Earth orbit.

Follow this mission

Alerts are unavailable because this mission is no longer active.

Identity

Aliases
OSO 8OSO-IOrbiting Solar Observatory 8
Name
OSO-8
Status
completed

Details

Astronauts
-
Description
OSO-8 was NASA’s eighth and final Orbiting Solar Observatory. Launched on 1975-06-21, it studied the Sun’s chromosphere and transition region in high-resolution solar wavelengths while also observing solar, Earth-airglow, and cosmic X-ray sources from low Earth orbit.
Destination
Earth orbit
Launch Site
Outcome
OSO-8 operated until October 1978, returning solar and high-energy astronomical observations that completed NASA’s Orbiting Solar Observatory series.
Programs
Start Date
1975-06-21
Vehicle Families

Links

Assets & Meta

Creation Time
August 15, 2026 at 06:57:48 UTC
Updated Time
August 15, 2026 at 06:57:48 UTC

Other

Affiliations
Space Stations
-
Vehicles