501.

The Moon at aphelion The Moon recedes to its orbit's furthest point from the Sun, which happens each month around the time of full moon. Sat, 10 Mar 2012 at 01:35 PDT (4,510 days ago) in Virgo

502.

Full Moon The Moon reaches full phase and is visible for much of the night. Thu, 08 Mar 2012 at 01:39 PDT (4,512 days ago) in Leo

503.

Moon at First Quarter The Moon reaches first quarter phase – appearing high in the sky at sunset and setting in the west at around midnight. Wed, 29 Feb 2012 at 17:22 PDT (4,520 days ago) in Taurus

504.

The Moon at apogee The Moon recedes to its orbit's furthest point from the Earth, making it appear fractionally smaller than at other times of the month. Mon, 27 Feb 2012 at 06:00 PDT (4,522 days ago) in Aries

505.

New Moon The Moon disappears into the Sun's glare for a few days. Tue, 21 Feb 2012 at 14:35 PDT (4,528 days ago) in Aquarius

506.

The Moon at perihelion The Moon passes its orbit's closest point to the Sun, which happens each month around the time of new moon. Sun, 19 Feb 2012 at 20:23 PDT (4,530 days ago) in Aquarius

507.

Moon at Last Quarter The Moon reaches last quarter phase – rising in the east at around midnight and appearing high in the sky by sunrise. Tue, 14 Feb 2012 at 09:04 PDT (4,535 days ago) in Libra

508.

The Moon at perigee The Moon makes its monthly closest approach to the Earth, making it appear fractionally larger than at other times of the month. Sat, 11 Feb 2012 at 10:35 PDT (4,538 days ago) in Virgo

509.

The Moon at aphelion The Moon recedes to its orbit's furthest point from the Sun, which happens each month around the time of full moon. Wed, 08 Feb 2012 at 19:09 PDT (4,541 days ago) in Sextans

510.

Full Moon The Moon reaches full phase and is visible for much of the night. Tue, 07 Feb 2012 at 13:53 PDT (4,542 days ago) in Cancer

511.

Moon at First Quarter The Moon reaches first quarter phase – appearing high in the sky at sunset and setting in the west at around midnight. Mon, 30 Jan 2012 at 20:10 PDT (4,550 days ago) in Aries

512.

The Moon at apogee The Moon recedes to its orbit's furthest point from the Earth, making it appear fractionally smaller than at other times of the month. Mon, 30 Jan 2012 at 09:41 PDT (4,550 days ago) in Aries

513.

New Moon The Moon disappears into the Sun's glare for a few days. Sun, 22 Jan 2012 at 23:40 PDT (4,557 days ago) in Capricornus

514.

The Moon at perihelion The Moon passes its orbit's closest point to the Sun, which happens each month around the time of new moon. Sun, 22 Jan 2012 at 09:15 PDT (4,558 days ago) in Sagittarius

515.

The Moon at perigee The Moon makes its monthly closest approach to the Earth, making it appear fractionally larger than at other times of the month. Tue, 17 Jan 2012 at 13:23 PDT (4,563 days ago) in Libra

516.

Moon at Last Quarter The Moon reaches last quarter phase – rising in the east at around midnight and appearing high in the sky by sunrise. Mon, 16 Jan 2012 at 01:08 PDT (4,564 days ago) in Virgo

517.

Full Moon The Moon reaches full phase and is visible for much of the night. Sun, 08 Jan 2012 at 23:30 PDT (4,571 days ago) in Gemini

518.

The Moon at aphelion The Moon recedes to its orbit's furthest point from the Sun, which happens each month around the time of full moon. Sun, 08 Jan 2012 at 23:21 PDT (4,571 days ago) in Gemini

519.

The Moon at apogee The Moon recedes to its orbit's furthest point from the Earth, making it appear fractionally smaller than at other times of the month. Mon, 02 Jan 2012 at 12:19 PDT (4,578 days ago) in Pisces

520.

Moon at First Quarter The Moon reaches first quarter phase – appearing high in the sky at sunset and setting in the west at around midnight. Sat, 31 Dec 2011 at 22:15 PDT (4,580 days ago) in Pisces