HomeBirdBy Jove It’s Thors Day

By Jove It’s Thors Day

Jupiter & moon Europa from Hubble Area Telescope, 25 Aug 2020 (picture from Wikimedia Commons)

13 October 2022

At the moment is Thursday, Thor’s Day, or Jove’s Day. We’ll have a good time with some fast information about Jupiter.

The Romans named the fifth day of the week dies Jovis (“Jove‘s Day”) after the planet Jupiter. In Germanic mythology, Jupiter is equated to Thor, whence the English identify Thursday for the Roman dies Jovis.

— From Wikipedia: Jupiter

Jupiter was large within the information final month when on 27 September 2022 the planet was at its closest, brightest and greatest in 70 years. On that date the Earth flew between Jupiter and the Solar, placing Jupiter in opposition and in shiny daylight because it rose at sundown.

Three days later it rose after sundown so the sky was darkish exhibiting off Jupiter’s 4 largest moons, those first seen by Galileo in 1610.

Jupiter & Galilean moons, 30 September 2022 (picture by George E. Koronaios through Wikimedia Commons)

Timelapse images permits us to see the Galilean moons orbiting Jupiter as NASA’s Juno spacecraft approaches. These are solely 4 of the 80 identified satellites of Jupiter, most of that are lower than 10km (6.2 miles) in diameter. 80 moons!

Jupiter and the movement of the 4 Galilean moons taken by JunoCam aboard the Juno spacecraft, June 2016 (animation from Wikimedia Commons)

Moons Io and Europa have sparked a variety of curiosity.

Jupiter doesn’t have rings like Saturn, nevertheless it should. Why not?

As a result of it’s greater, Jupiter should have bigger, extra spectacular rings than Saturn has. However new UC Riverside analysis (21 July 2022) exhibits Jupiter’s large moons stop that imaginative and prescient from lighting up the evening sky.

— Science Each day: Why Jupiter doesn’t have rings like Saturn

And eventually, Thursday is an efficient day to really feel jovial. In keeping with Wikipedia, the older adjectival kind jovial, employed by astrologers within the Center Ages, has come to imply “joyful” or “merry”, moods ascribed to Jupiter’s astrological affect.

Joyful Thursday!

(photographs from Wikimedia Commons; click on on the captions to see the originals)

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