Watch the moon phases and libration for 2026, as seen from Earth's Northern Hemisphere, in this time-lapsed animation that is ...

Early risers have a great view of a lunar feature normally located near the limb this morning. An hour before sunrise, the Moon is roughly 20° above the eastern horizon. About 25 percent of its ...

Tonight, let’s compare the appearance of the Moon to that of a week ago to see the effects of lunar libration, the “nodding” motion caused by the tilt of the Moon’s orbit around Earth. High in the ...

The combination of the slow rocking back and forth of the moon called libration brings into view three lunar maria or "seas" that are normally hidden around the backside - Mare Humboldtianum, M.