So stoked to learn that the great #ClaudiaGray (who writes #StarWars novels) wrote an #XFiles book! #Perihelion
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#perihelion
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Earlier this week, Comet C/2024 G3 (ATLAS) made its closest approach to the Sun.
While doing so, it made a dramatic appearance sweeping through the wide-field LASCO C3 coronagraph of the ESA/NASA SOHO mission over a few days.
Here’s my take, a triplet of Deep Red, Orange, & Blue filter images taken over an hour around 09:00UTC on 14 January, as an RGB composite.
This morning we were at Perihelion, the point at which Earth is closest to the sun, about 91.4 million miles (147 million km). I wrote an article that describes this further.
https://weather.chadcalsyn.com/blog/what-are-perihelion-and-aphelion/
weather.chadcalsyn.comWhat are perihelion and aphelion?Learn more about how the earth orbits the sun and when we are the closest and farthest from the sun.
Today is Perihelion Day, when the earth is closest to the sun. Our orbit is barely elliptical, so we're only 3% closer to the sun than we are in July. But, that little bit of extra warmth is welcome in the Northern Hemisphere, where it is currently winter. #Perihelion #sun #earth
#perihelion in 15 mins!
I'm watching the distance between the Earth and the Sun go down, then up!
https://theskylive.com/sun-info#distance
theskylive.comThe Sun | TheSkyLiveComplete observing guide and realtime information about The Sun for astronomy and science enthusiasts at all levels.
Happy #Perihelion Day to all who oscillate!
Our good ship Earth will be closer to Mother Sun today (Sat 4 January 2025) than at any other point in the year, thanks to our frankly flaky elliptical orbit. (At 13:28 GMT, to be precise.)
Do not climb a ladder today, lest your hair be singed.
Kometen C/2023 A3 (Tsuchinshan-Atlas):
• Entdeckung: Januar 2023 vom Tsuchinshan-Observatorium (China) und ATLAS-Projekt (Hawaii).
• Sonnennähe: Erreicht am 12. Oktober 2024 das Perihelion (nächster Punkt zur Sonne).
• Sichtbarkeit: Möglich ab September 2024, könnte mit bloßem Auge sichtbar sein.
• Erdnähe: Am 13. Oktober 2024 etwa 72 Millionen km von der Erde entfernt.
#Komet2024 #C2023A3 #TsuchinshanAtlas #Weltraum #Astronomie #Himmelsereignis #Perihelion #SichtbarkeitKomet
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If we get some clear nights in soon, Comet 13P Olbers is a nice target for smaller telescopes as it could be near +7th magnitude when it reaches its closest point to the sun (perihelion) on June 30th. The comet has been making the 69-year circuit for millions of years with an orbit that takes it way past the orbit of Neptune. It should be easier to find on July 5th when it passes near the +4th magnitude star 10 Ursae Majoris.
https://www.universetoday.com/166998/catching-comet-13p-olbers-this-summer/
The Earth reached perihelion, its closest to the Sun in its annual orbit, at 00h 39m UTC this morning, a little under 8 hours ago.
The #Earth at #perihelion
The Earth's annual orbit around the solar system will carry it to its closest point to the #Sun, at a distance of 0.9833 AU today, January 2.
In-The-Sky.orgThe Earth at perihelion3 January 2024: The Earth reaches its closest point to the Sun. – In-The-Sky.org.
Happy Perihelion Day. Though it's hard to believe in the chilly days of January (Northern Hemisphere), the earth is about 3% closer to the sun right now than we will be in July at Aphelion. #Perihelion #sun
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Seasonal tunes: Leilani Kilgore says you can have a little perihelion, as a treat #Music #Rock #Perihelion https://www.youtube.com/watch?v=UfoEit0MipM
Today, the Sun will be 147,101,000 km from the Earth, closer than at any other time during 2024. #perihelion
Which makes it 7% brighter than aphelion, in July. And while the changing Earth-to-Sun distance does affect our climate somewhat, seasons are a result of the Earth's axial tilt.
Northern Hemisphere residents wondering why they're so chilly in January even though the Sun is closer can blame the fact that their half of the planet is pointing away from the Sun.
La sonde européenne #SolarOrbiter a effectué un rapprochement du #Soleil (#perihelion) ce samedi à 9h25 CEST. Les données arriveront dans quelques jours/semaines.
