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January 3 is the third day of the year in the Gregorian calendar; ... Perihelion, the point during the year when the Earth is closest to the Sun, ...
The apsides refer to the farthest (2) and nearest (3) points reached by an orbiting planetary body (2 and 3) with respect to a primary, or host, body (1). An apsis (from Ancient Greek ἁψίς (hapsís) 'arch, vault'; pl. apsides / ˈ æ p s ɪ ˌ d iː z / AP-sih-deez) [1] [2] is the farthest or nearest point in the orbit of a planetary body about its primary body.
In modern times, Earth's perihelion occurs around January 3, and the aphelion around July 4. In other words, the Earth is closer to the Sun in January, and further away in July, which might seem counter-intuitive to those residing in the northern hemisphere, where it is colder when the Earth is closest to the sun and warmer when it is furthest ...
Perihelion typically occurs in early January and aphelion usually occurs in early July, but because Earth's orbit is slightly eccentric, those timings can shift from year to year.
Scientists from Ukraine and Belarus were assisted by meteor observation groups around the world. The results confirmed that particles of Comet ISON, which likely sublimated at perihelion, entered Earth's atmosphere as meteor particles. 43 meteor events were recorded after analyzing 54,000 images from 10–17 January 2014. [65]
As it reached perihelion on 12 January, it became the brightest comet since Comet Ikeya–Seki in 1965. [6] The comet was dubbed the Great Comet of 2007 by Space.com. [ 10 ] On 13 and 14 January 2007, the comet attained an estimated maximum apparent magnitude of −5.5. [ 11 ]
January 3. Drinking Straw Day. Festival of Sleep Day. Fruitcake Toss Day. Humiliation Day. International Mind-Body Wellness Day. JRR Tolkien Day. National Chocolate-Covered Cherry Day. January 4.
1 January, 22:16: Moon occults Uranus: 3 January, 19:37: Moon occults Mars: 4 January, 03:06: Quadrantids peak : 4 January, 19:59: Earth at perihelion: 6 January, 23: ...