Supernova 1987 3d model lets astronomers explore supernova 1987a like 1987 Supernova
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It is important to know at any age!
Our third theory to discuss is the "Co-Formation Theory" which alleges that the Moon and Earth were formed within the nebular disk around the Earth (similar to how our solar system formed around the Sun). This theory falls short when one revisits the composition of the Earth and Moon. If the Moon did indeed share some of the same building material as the Earth did and form in the same area, it should be very similar in composition to the Earth. We've seen, however, that the Moon doesn't share a significant iron core like our home planet does. There is one theory which remains to be discussed, and it is the one that is widely accepted today. The Giant Impactor Theory: The Giant Impactor Theory claims that the Moon was formed when an object the size of Mars slammed into the Earth shortly after the solar system's formation. After this object hit the Earth, tons of material from both the object and the Earth were sent into space and began to orbit around the Earth. This material slowly began to come together and collide until what we see as our Moon was created. This theory most easily explains the criteria we previously mentioned. The heat that would have been generated after the collision explains the evidence of "baking" on the Moon's surface. It also supports the fact that the Moon doesn't have a large iron core like the Earth. Finally, we have seen evidence of other such collisions in other parts of the solar system.
and here is another
Because of the many similarities between Triton and Pluto, it has long been thought that there is some sort of historical connection between them. Indeed, it was once proposed that Pluto is really an escaped moon of Neptune, but this is now thought to be improbable. It is now considered to be much more likely that Triton, like Pluto, orbited our Sun freely, but was unlucky enough to be snared by Neptune--whereas Pluto was left independent and free to wander at will within its distant birthplace.
Van Allen Radiation Belts. According to this widely known argument for the fake moon landing theory, the astronauts would not be able even to survive their trip after receiving a lethal dose of radiation, both from the Van Allen radiation belts surrounding the Earth and solar radiation beyond Earth's magnetic field.
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"The distribution of these water-rich deposits is the key thing. They're spread across the surface, which tells us that the water found in the Apollo samples isn't a one-off. Lunar pyroclastics seem to be universally water-rich, which suggests the same may be true of the mantle," Dr. Milliken continued to explain in the Brown University Press Release.
Dozens of crewless spacecraft, including landers, rovers, and orbiters, have been dispatched to Mars by the Soviet Union, the United States, Europe, and India to observe the planet's climate, surface, and geology. Since the year 2000, cameras circling in orbit around Mars have sent back to Earth a treasure chest overflowing with revealing pictures of the "fire star." These wonderful images have displayed a Martian surface etched with small valleys and carved into slopes. These features are eerily similar in their shape to gullies carved by gushing water flowing on Earth. The Martian gullies are believed to be less than a few million years old--a tiny wink of the eye on geological time scales. In fact, some of the gullies even appear to be younger than that! These detections are enticing. This is because the observations hint to planetary scientists that great quantities of liquid water may still be lingering on Mars at present--and that this gushing water might be what carved out the gullies.
Songs, poems, odes, reveries. The Moon has been the subject of endless adoration since the beginning of time. Mysterious and changeable, sometimes occulted by clouds or (gasp!) the Earth itself, our satellite, our iridescent child, the Moon floats suspended in the sky, enticing us to dream, to wonder, to reflect. To garden in the moonlight, to walk in the woods with the moon shining through foliage or bare branches, whenever we have the chance to have her silvery light embrace us we know we are being touched by the hand of the divine feminine and we are blessed.