More about Tidal Pumping and the gravitational effects of Earth and Sun upon Venus. Consideration of a "Super” Gravity Wave impacting both the Earth and Venus.

Venus has a clockwise or retrograde rotation, like Uranus and Pluto. The Sun, the Earth and all other planets rotate counterclockwis e.

Venus has an almost circular orbit. A year on Venus is 225 Earth days.

The Obliquity (tilt) of Venus is very slight, at 2.64 degrees off the orbital plane. That tilt precesses over a cycle 29,000 Earth years long.

Venus has a heavy, dense atmosphere comprised of 96.5 % CO2 which is supercritical for some distance off the surface. The surface pressure is 93 bar (1350 psi). There are all-enshrouding clouds of sulfuric acid and it rains sulfuric acid during the night.

The CO2 and sulfuric acid were delivered to the atmosphere from extensive volcanism about 500 million years ago. The surface of Venus is entirely comprised of basaltic lava flood plains. In 2023 it was confirmed that Venus has active volcanism continuing today.

Although much closer to the Sun, Venus does not have the orbital eccentricity and greater Obliquity of Earth. This would seem to minimize Tidal Pumping. However, as Venus passes between an alignment with Earth and the Sun, it would be pulled apart by its major neighbors. When the Earth and Sun are in opposition to Venus (Earth on the far side of the Sun), Venus is pulled closer to the Sun. These planetary positions would logically seem to deliver Tidal Pumping stresses.

Moreover, it is known that Venus’ heavy atmosphere rotates faster than the surface of the planet and "sloshes around”. This would definitely impose stresses on the surface.

It would appear that Venus does undergo Tidal Pumping but with different conditions than the Earth.

It is known that Jupiter and Venus working together impose Tidal Pumping stresses upon the Earth and affects our climate on a 405,000 cycle (Kent, Olsen et al Rutgers 2018). It is likely that Venus is likewise affected by the gravity fields of Earth and Jupiter.

Curiously, the extensive volcanism on Venus 500 million years ago coincides with events on Earth.

Cyanobacteria and photosynthetic life began approx. 3.5 billion years ago and the photosynthetic process began to oxygenate Earth’s atmosphere. 500 million years ago was approx. the end of the Great Oxygenation Event when we arrived at our current atmosphere. This timing also coincided with the emergence of the first vertebrates, the Cambrian Explosion of Life. Finally, 500 million years ago was marked by much warmer ocean temperatures. Warmer ocean waters provide more evaporation, thus snow and glaciation in the Northern Hemisphere. Note also, that Dr. Gerta Keller has identified that the Great Extinctions were caused by extensive volcanic ash blocking the Sun plus acidification of forests and ocean waters due to acidic discharges from volcanic activity.

It seems counter-intuiti ve but periods of great volcanism, especially submarine volcanoes, warm the waters of the ocean floor in specific locations (i.e. trenches, where the crust is thin, cold, and brittle) and produce more surface evaporation, driving snowfall and glaciation on the continents of the Northern Hemisphere.

Million years ago
650–600 Later Neoproterozoic Snowball Earth or Marinoan glaciation, precursor to the Cambrian explosion

502 Dresbachian extinction event
Note: Vertebrates take over ?

485.4 Cambrian–Ordovi cian
extinction event

450–440 Ordovician–Silu rian extinction event, in two bursts, after cooling perhaps caused by tectonic plate movement.

Note - Observe the waves in temperature variations going back 800 thousand years ago. Note also that the uptick in CO2 concentrations lagged the uptick in temperatures.

Question - It seems that both Venus and Earth experienced extensive volcanism approx. 500 million years ago. Could this be due to a "Super” Gravity Wave ?