Newslink: NASA Starts 45-Day Clock to Contact Mars Rover Opportunity as Dust Storm Wanes

The planet-enveloping dust storm on Mars has settled enough for NASA to start a 45-day active-listening period in which the agency hopes to make contact with the rover Opportunity after three months of silence.

https://www.space.com/41798-mars-rover-opportunity-dust-storm-clock-begins.html