Moon: first quarter
Ecosystems - Meteorology, Climate
Moon: first quarter
Illustration of the moon undergoing phases; first quarter is heading towards a full moon
Moon: first quarter
Related Symbols
Moon: last quarter
Illustration of the moon undergoing phases: last quarter is heading towards a new moon
Moon: last quarter
Middle clouds: Altocumulus 1
Illustration of a cloud belonging to a class characterized by globular masses or rolls in layers or patches. Alto, "high", cumulus, "heaped". Usually white or gray, and often occurs in sheets or patches with wavy, rounded masses or rolls. Often are seen preceding a cold front, and their presence on a warm, humid, summer morning frequently signals the development of thunderstorms later in the day
