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Mercury is one of four terrestrial planets in the Solar System, which means it is a rocky body like Earth. It is the smallest planet in the Solar System, with an equatorial radius of 2,439.7 kilometres (1,516.0 mi). [4] Mercury is also smaller—albeit more massive—than the largest natural satellites in the Solar System, Ganymede and Titan.
The astrological symbol for the planet became one of the alchemical symbols for the metal, and Mercury became an alternative name for the metal. Mercury is the only metal for which the alchemical planetary name survives, as it was decided it was preferable to quicksilver as a chemical name. [30] [31]
The current Venusian atmosphere has only ~200 mg/kg H 2 O(g) in its atmosphere and the pressure and temperature regime makes water unstable on its surface. Nevertheless, assuming that early Venus's H 2 O had a ratio between deuterium (heavy hydrogen, 2H) and hydrogen (1H) similar to Earth's Vienna Standard Mean Ocean Water of 1.6×10 −4, [7] the current D/H ratio in the Venusian atmosphere ...
During Mercury retrograde especially, it’s important to protect your time and energy from emotional vampires or those who skyrocket around without self-awareness, bouncing off everyone else’s ...
Strategic risks could benefit you greatly during this time, Libra. As Mercury wanders through your sign, it joins lucky Jupiter in a thought-provoking trine, lighting up your ninth house of ...
What are the dates of Mercury retrograde? The first Mercury retrograde of 2024 spans from April 1 to 25. The effects of the retrograde period have already started.
Mercury, being the closest to the Sun, with a weak magnetic field and the smallest mass of the recognized terrestrial planets, has a very tenuous and highly variable atmosphere (surface-bound exosphere) containing hydrogen, helium, oxygen, sodium, calcium, potassium and water vapor, with a combined pressure level of about 10 −14 bar (1 nPa). [2]
Mercury in Capricorn is giving you the mental focus and resilience to build something long-lasting and fruitful, Pisces. For instance, with the messenger planet transiting your future-oriented ...