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A rendering of the magnetic field lines of the magnetosphere of the Earth. In astronomy and planetary science, a magnetosphere is a region of space surrounding an astronomical object in which charged particles are affected by that object's magnetic field. [1] [2] It is created by a celestial body with an active interior dynamo.
The magnetosphere is defined by the extent of Earth's magnetic field in space or geospace. It extends above the ionosphere , several tens of thousands of kilometres into space , protecting Earth from the charged particles of the solar wind and cosmic rays that would otherwise strip away the upper atmosphere, including the ozone layer that ...
La Jolla Cove, the staple of La Jolla, is the most popular tourist destination [57] in La Jolla, featuring many snorkelers, [58] swimmers, and wildlife (most notably the La Jolla seals). [ 59 ] [ 60 ] During some parts of the year, people will find the shallow ends of the beach filled with harmless leopard sharks , as they come closer to shore ...
Geophysics (/ ˌ dʒ iː oʊ ˈ f ɪ z ɪ k s /) is a subject of natural science concerned with the physical processes and physical properties of the Earth and its surrounding space environment, and the use of quantitative methods for their analysis.
The La Jolla Group is a group of geologic formations in coastal southwestern San Diego County, California. The group preserves fossils dating back to the Cretaceous period. [1] Most of the La Jolla Group stratigraphy was deposited during the Eocene when sea level was higher than its present-day
The following is a chronology of discoveries concerning the magnetosphere. 1600 - William Gilbert in London suggests the Earth is a giant magnet. 1741 - Hiorter and Anders Celsius note that the polar aurora is accompanied by a disturbance of the magnetic needle. 1820 - Hans Christian Ørsted discovers electric currents create magnetic effects.
There is an urban legend that in the 1930s, a group of little people who appeared in Hollywood films such as The Wizard of Oz, came to San Diego, where they built miniature houses on Mount Soledad. [4] [5] The legend gained traction due to the fact several houses were built on steep slopes overlooking the Pacific.
In 1905, they moved to a small laboratory in La Jolla Cove until they arranged for the purchase of a 170-acre (0.69 km 2) site in La Jolla, north of San Diego. The land was purchased for $1,000 at a public auction from the city of San Diego (the same site where the SIO main campus is today). [ 5 ]