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Sagittarian Milky Way 21:44, 24 June 2023 (UTC) The Moon's average angular diameter is 0.52° close to 31 arcminutes and it wavers because the Earth-Moon distance varies from 356,400 to 406,700 km. Philvoids 02:44, 25 June 2023 (UTC) The angular diameter varies between 29.3 and 34.1 arcminutes.
Welcome to the Wikipedia Science Reference Desk Archives The page you are currently viewing is a monthly archive index. While you can leave answers for any questions shown below, please ask new questions on one of the current reference desk pages.
In May 2022, the Regents announced a special appeal for the following examination periods: June 2022, August 2022, January 2023, June 2023, or August 2023. This special appeal is available to all students and allows a student to appeal an earned score of 50-64 on any Regents examination taken during one of the approved examination periods.
Welcome to the Wikipedia Science Reference Desk Archives The page you are currently viewing is a monthly archive index. While you can leave answers for any questions shown below, please ask new questions on one of the current reference desk pages.
Byron Forbes 06:43, 10 June 2023 (UTC) The curl of a magnetic field at any given point is equal to the current density vector at that point. No current, no curl. --Lambiam 06:58, 10 June 2023 (UTC) I'm a bit puzzled why you would say that.
Byron Forbes 10:04, 9 June 2023 (UTC) Reply When the curl operator is applied to a field, the change in the operand in any plane produces a vector component that is orthogonal (perpendicular) to that plane. --Lambiam 13:29, 9 June 2023 (UTC) Yes. Here is a link to Curl_(mathematics). Philvoids 16:00, 9 June 2023 (UTC) Reply
NASA Earth science satellite fleet as of September 2020, planned through 2023. Earth observation satellite missions developed by the ESA as of 2019. Earth observation satellites are Earth-orbiting spacecraft with sensors used to collect imagery and measurements of the surface of the earth. These satellites are used to monitor short-term weather ...
Earth science. Earth science or geoscience includes all fields of natural science related to the planet Earth. [1] This is a branch of science dealing with the physical, chemical, and biological complex constitutions and synergistic linkages of Earth's four spheres: the biosphere, hydrosphere / cryosphere, atmosphere, and geosphere (or ...