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The solar wind reaches Earth with a velocity typically around 400 km/s, a density of around 5 ions/cm 3 and a magnetic field intensity of around 2–5 nT (for comparison, Earth's surface field is typically 30,000–50,000 nT).
Substorm. A series of images made by ultraviolet light imager on the Polar spacecraft showing the aurora and Earth's upper atmosphere. The glowing side is the atmosphere lit up by the Sun's light energy and the oval of light is the aurora.
A subauroral ion drift ( SAID ), also known as a polarisation jet, is an atmospheric phenomenon driven by substorms in the Earth's magnetosphere. [1] First discovered in 1971, [2] a SAID is a latitudinally narrow (1-2° MLAT) layer of rapid, westward flowing ions in the Earth’s ionosphere.
Quantum entanglement is the phenomenon of a group of particles being generated, interacting, or sharing spatial proximity in such a way that the quantum state of each particle of the group cannot be described independently of the state of the others, including when the particles are separated by a large distance.
942477364. Aurora is a 2015 novel by American science fiction author Kim Stanley Robinson. The novel concerns a generation ship built in the style of a Stanford torus traveling to Tau Ceti in order to begin a human colony. The novel's primary narrating voice is the starship's artificial intelligence. [ 1]
A black hole is a region of spacetime where gravity is so strong that nothing, not even light and other electromagnetic waves, is capable of possessing enough energy to escape it. [2]
In 1861, David Millspaw became the first permanent settler in the area of what was to become Aurora. Hamilton County was formed in 1870. [4]Aurora was laid out as a town in 1871 by David Stone who named it after his former hometown of Aurora, Illinois.[5] [6] The county seat was transferred from Orville City (an extinct town) to Aurora in 1876.
