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[1] [2] Collision simulations support the idea that the large low-shear-velocity provinces in the lower mantle may be remnants of Theia. [3] [4] Theia is hypothesized to have been about the size of Mars, and may have formed in the outer Solar System and provided much of Earth's water, though this is debated. [5]
If a separate proto-planet Theia had existed, it probably would have had a different oxygen isotopic signature than Earth, as would the ejected mixed material. [51] The Moon's titanium isotope ratio (50 Ti/ 47 Ti) appears so close to Earth's (within 4 ppm), that little if any of the colliding body's mass could likely have been part of the Moon ...
The researchers ran computer simulations examining the impact event, geophysical properties of the material that likely made up Theia and the evolution of Earth's mantle - the broadest of the ...
Molten slabs of Theia could have embedded themselves within Earth’s mantle after impact before solidifying, leaving portions of the ancient planet’s material resting above Earth’s core some ...
4.5 billion years ago, Earth experienced a cataclysmic rendezvous with a planet named Theia. Evidence of the impact is still buried deep within the Earth. 2% of Earth's Mass May Be Debris From the ...
These include 54509 YORP, (85770) 1998 UP 1, 2002 AA 29, (419624) 2010 SO 16, 2009 BD, and 2015 SO 2 which exist in resonant orbits similar to Cruithne's. 2010 TK 7 and (614689) 2020 XL 5 are the only two identified Earth trojans. Hungaria asteroids were found to be one of the possible sources for co-orbital objects of the Earth with a lifetime ...
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First proposed in 2010 [1] as an eon, it is named after Chaos, the primeval void in Greek mythology. This proposal defines the Chaotian eon as a Solar System-wide time between the initiation of planetary formation and the hypothesised collision of the trojan dwarf planet Theia with the proto-Earth.