Young Astronaut Program john young astronaut wikipedia Astronaut Young Program

Young Astronaut Program john young astronaut wikipedia Astronaut Young Program

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Curious facts about cosmic life and their inhabitants.

One way to align yourself with the universal forces is to work with the metaphysical qualities of gemstones and crystals for health, energy, and balance. I invite you to enter into the sparkling, mystical world of gemstones, connecting us with the whole of creation, from microcosm to macrocosm.

and here is another

Jupiter, along with its beautiful ringed sister planet, Saturn, are the gas-giant duo of our Sun's family of eight major planets. The other two giant planets--that dwell in our Solar System's outer limits--are Uranus and Neptune. Uranus and Neptune are classified as ice giants, because they carry within them larger cores than Jupiter and Saturn, as well as thinner gaseous envelopes. Jupiter and Saturn may (or may not) contain small, hidden cores, that are heavily veiled by extremely massive, dense gaseous envelopes.

and finally

In addition, the newly collected data derived from the GRAIL mission helps astronomers redefine the late heavy bombardment--a proposed episode that occurred about 4 billion years ago, during which a heavy shower of projectiles pelted the bodies of the inner Solar System, including Earth and its beloved Moon, creating heavy lunar cratering in the process. The concept of the late heavy bombardment is primarily based on the ages of massive near-side craters that are either within, or adjacent to, dark, lava-flooded basins (lunar maria), that are named Oceanus Procellarum and Mare Imbrium. However, the composition of the material existing on and below the surface of the lunar near-side indicates that the temperatures beneath this area are not representative of Earth's Moon as a whole at the time of the late heavy bombardment. The difference in the temperature profiles may have caused scientists to overestimate the amount of crater-excavating projectiles that characterized the late heavy bombardment. New studies by GRAIL scientists indicate that the size distribution of impact craters on the lunar far-side is a more accurate reflection of the crater-forming history of the inner Solar System than those pock-marking the near-side.

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The astronomers found that larger craters, which excavated pits much deeper into the Moon's surface, only increased porosity in the underlying crust. This indicates that these deeper layers have not reached a steady state in porosity, and are not as fractured as the megaregolith.

There is yet another theory that planetary scientists have suggested to explain the mysterious Procellarum region. This analysis is based on recently acquired data, and it indicates that this region formed as a consequence of churning deep within the interior of our Moon. According to this model, this resulted in a high concentration of heat-producing radioactive elements in the lunar crust and mantle of this unique region. Planetary scientists studied the gradients in gravity data derived from GRAIL, which showed a rectangular shape in resulting gravitational anomalies.

The HST findings, published in The Astrophysical Journal Letters, report on recent observations of Europa, dating from 2016, in which a probable plume of material was observed shooting out from the moon's cracked icy surface. This rising plume occurred at the same location that HST had previously observed signs of a plume in 2014. The HST images provide strong evidence that the plumes observed shooting out from the surface of Europa, could be real eruptions. The observed plumes could be seen flaring up intermittently in the same region on the moon's surface.