description Yohkoh Overview
Yohkoh, originally designated as the Solar-A mission, was a Japanese solar observation satellite launched in 1991. The spacecraft was specifically engineered to observe high-energy phenomena on the Sun, capturing X-ray images of solar flares and the corona. The mission represented a collaborative effort between the Japanese Institute of Space and Astronautical Science, NASA, and the United Kingdom. Over its decade-long operational lifespan, it provided the scientific community with unprecedented continuous data on solar cycles.
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What was the primary purpose of the Yohkoh satellite?
Yohkoh was a Japanese solar observation satellite specifically engineered to observe high-energy phenomena on the Sun. It captured crucial X-ray images of solar flares and the corona.
When was the Yohkoh satellite launched?
The spacecraft was launched in 1991 under its original designation, the Solar-A mission. It successfully operated for a full solar cycle, observing maximum solar activity.
Which space agency was responsible for the Yohkoh mission?
The mission was developed and operated by Japan's Institute of Space and Astronautical Science (ISAS). It also featured significant international collaboration with NASA and the UK.
What ultimately happened to the Yohkoh satellite?
The satellite suffered an unrecoverable anomaly in 2001 during a solar eclipse, which caused it to lose its pointing lock on the Sun. It was eventually decommissioned and burned up upon re-entering the Earth's atmosphere in 2005.
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