Mercury changes its orbital speed more than any other planet and this can make Mercury's sunrise screech to a halt. Then the sun sinks back down again, and rises a second time. Tune in this Sunday to hear how to spot this phenomenon for yourself.
Mercury changes its orbital speed more than any other planet and this can make Mercury's sunrise screech to a halt. Then the sun sinks back down again, and rises a second time. Tune in this Sunday to hear how to spot this phenomenon for yourself.