Mercury Transit 2019: How a Spacecraft Fleet Will Watch the Rare Event from Space

On Monday (Nov. 11), Mercury will move across the sun’s face and several spacecraft will have their sights set on the rare event. 

Spacecraft have captured incredible images of past Mercury transits, and this year promises some exciting observations from space. NASA’s Solar Dynamics Observatory (SDO) and Solar & Heliospheric Observatory (SOHO) will be watching the sun during Mercury’s roughly 5.5-hour trip, and a Japanese mission may also provide a close-up glimpse.

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