PREVIEW: MERCURY: BEPICOLOMBO: Conversation with colleague Bob Zimmerman re the ESA/JAXA mission to Mercury, BepiColombo, that developed trouble in its thrusters and, thanks to genius engineers, will stay on target if arriving a year later, 2026. More ton

PREVIEW: MERCURY: BEPICOLOMBO: Conversation with colleague Bob Zimmerman re the ESA/JAXA mission to Mercury, BepiColombo, that developed trouble in its thrusters and, thanks to genius engineers, will stay on target if arriving a year later, 2026. More tonight.

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