During the comet’s closest approach, Johnston — who sourced a model suggesting 7:12 a.m. to 8:06 a.m will be its brightest times — estimates it “will be bright enough to see during the daylight for ...
As the moon orbits Earth, it cycles through eight distinct phases. The four primary phases of the moon (new moon, first quarter, full moon, last quarter) occur about a week apart, with the full ...