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It is the lunar equivalent of the division between night and day on the Earth spheroid, although the Moon's much lower rate of rotation [7] means it takes longer for it to pass across the surface. At the equator, it moves at 15.4 kilometres per hour (9.6 mph), as fast as an athletic human can run on earth.
Here R is the mean Earth radius, H is the mean height of the ionosphere shell. The IPP or Ionospheric Pierce Point is the altitude in the ionosphere where electron density is greatest. [1] These points can change based on factors like time of day, solar activity, and geographical location, which all influence ionospheric conditions. [2]
HAARP gave rise to a live album by the rock band Muse and became the theme of novels like La Route de Gakona by Jean-Paul Jody [Wikidata]. [62] HAARP is the key plot point in Breaking Point of Tom Clancy's Net Force (2000), where it is used to induce group madness. [63] The HAARP facility appears in the 2004 video game X-Men Legends.
Broadcast from ESPN's Bristol studios and remote locations [174] September 12, 2020 1 Clemson Tigers: 37: Wake Forest Demon Deacons 13 Winston-Salem, North Carolina: 50-yard line of Truist Field at Wake Forest [175] Chris Paul: Clemson Tigers September 19, 2020 17 Miami Hurricanes: 47: 18 Louisville Cardinals 34 Louisville, Kentucky: Concourse ...
Scientists studying the zone between Earth’s atmosphere and space have spotted unusual X- and C-shaped features that could thwart signals that keep our planet running smoothly.
Radio waves (black) reflecting off the ionosphere (red) during skywave propagation. Line altitude in this image is significantly exaggerated and not to scale. In radio communication, skywave or skip refers to the propagation of radio waves reflected or refracted back toward Earth from the ionosphere, an electrically charged layer of the upper atmosphere.
SpaceX’s rocket explosion in November 2023 created a massive hole in the Earth's ionosphere, providing scientists with a rare opportunity to study its effects.
Location: Mercedes-Benz Stadium (Atlanta) The CFP national championship game between Notre Dame and Ohio State will kick off at 7:30 p.m. ET Monday at Mercedes-Benz Stadium in Atlanta. Notre Dame ...