Earth at Aphelion
Earth will be at the farthest point in its orbit around the Sun on this date
Calendar
13 events found.
Astronomical Events
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Mercury at Aphelion
Mercury's 88-day orbit around the Sun will carry it to its furthest point to the Sun – its aphelion – at a distance of 0.47 AU.
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Perseids Meteor Shower
The Perseids are the most popular meteor shower as they peak on warm August nights as seen from the northern hemisphere. The Perseids are active from July 17 to August 24, peaking on August 12 - 13.
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Perseids Meteor Shower 2025
The Perseids are the most popular meteor shower - they peak on the evening of Aug. 12-13, 2025
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Autumnal Equinox
Fall begins with the autumnal equinox - in the Northern Hemisphere, it's the September equinox; in the Southern Hemisphere, it is the equinox in March.
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Venus at Perihelion
The planet Venus is a Perihelion (its closest approach to the Sun) on this date.
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Last Quarter Moon 2025
The Moon is at Last Quarter (or Third Quarter) – rising around midnight, and visible to the south after sunrise.
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Last Quarter Moon
The Moon is at Last Quarter (or Third Quarter) – rising around midnight, and visible to the south after sunrise.
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New Moon 2025
New Moon. By the modern definition, New Moon occurs when the Moon and Sun are at the same geocentric ecliptic longitude. The part of the Moon facing us is completely in shadow then. Pictured here is the traditional New Moon, the earliest visible waxing crescent, which signals the start of a new month in many […]
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First Quarter Moon 2025
The Moon is at First quarter on this date -it will be visible high in the southern sky in early evening.
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Full Moon
The Full Moon rises at sunset, and is visible all night. The Vatican Observatory's monthly Full Moon Meetup for Sacred Space Astronomy subscribers is held at 10:00 AM Tucson time.
