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Learn how the Moon changes its shape and position in the sky over a lunar month. Find out when the next First Quarter Moon is and what it looks like from different hemispheres.
- 1st Quarter
The First Quarter Moon is a primary Moon phase when half of...
- 1st Quarter
Learn about the Moon's phases and how they change over time. However, this web page does not show the quarter moon, but only the full moon and the new moon.
9 de jul. de 2024 · Learn about the eight phases of the Moon, or shapes, that we see each month as the Moon orbits Earth. The first quarter phase is when we see a half moon on the left side.
There are four principal (primary, or major) lunar phases: the new moon, first quarter, full moon, and last quarter (also known as third or final quarter), when the Moon's ecliptic longitude is at an angle to the Sun (as viewed from the center of the Earth) of 0°, 90°, 180°, and 270° respectively.
30 de ago. de 2023 · Learn how the Sun, Earth, and Moon create the eight distinct phases of the Moon, and how they affect lunar and solar eclipses. Find out when and where to see the next total solar eclipse in 2024.
25 de ago. de 2020 · Learn why astronomers never use the term half moon, but only quarter moon, to describe the phase when half of the moon's day side is visible. See photos and explanations of the different moon phases and their names.
Learn what the First Quarter Moon is, when it occurs, and how it looks in the sky. Find out how to observe the Golden Handle, a visual effect on the Moon's terminator, and how the Moon phases affect the tides.
