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URL: https://science.nasa.gov/mercury/exploration/

⇱ Mercury: Exploration

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Mercury Exploration

Because Mercury is so close to the Sun, it is hard to directly observe from Earth except during dawn or twilight when the Sun's brightness doesn't outshine little Mercury. The first spacecraft to visit Mercury was NASA's Mariner 10, which launched in 1973. NASA's MESSENGER launched in 2004. The European Space Agency and JAXA launched a joint mission to Mercury in 2018.

All NASA Science Missions about Mercury Exploration

Missions to Mercury

Eyes of the Solar System uses data and images from NASA missions to give you a simulated view of Mercury.

Three Spacecraft Explored Mercury

Mariner 10

The first spacecraft sent to study Mercury. 

MESSENGER

The first spacecraft to orbit Mercury.