3 Juno
Videos
Juno is a large asteroid in the asteroid belt. Juno was the third asteroid discovered, in 1804, by German astronomer Karl Harding. It is tied with three other asteroids as the thirteenth largest aster
Juno seen at four wavelengths with a large crater in the dark (Hooker telescope, 2003)
Juno during opposition in 2009
Planetary symbols
Videos
Planetary symbols are used in astrology and traditionally in astronomy to represent a classical planet or one of the modern planets. The classical symbols were also used in alchemy for the seven metal
3 Juno
…1 September 1804 Designations Pronunciation JOO-noh Named after Juno (Latin: Iūno) Minor planet category Main belt (Juno clump) Adjectives Junonian Symbol (historically astronomical, now astrological) Orbital characteristics Epoch 13 September 2023 (JD 2453300.5) Aphelion 3.35 AU (501 million km) Perihelion…
Early modern depiction of the planet symbols in an alchemical context (Musaeum Hermeticum, 1678)
Page spread (with the signs for Mars and Venus) from a 1515 illustrated edition of Abu Ma'shar al-Balkhi's De Magnis Coniunctionibus (in the by translation by Herman of Carinthia, c. 1140, editio princeps by Erhard Ratdolt of Augsburg, 1489).
16th-century mechanical clock + calendar, using the symbols of the eponymous planets for the days of the week.
Planetary-metal symbols at the center of the coat of arms of the Royal Society of Chemistry