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Loading contentA NOAA/NASA mission at the Sun–Earth L1 point that provides real-time solar-wind measurements for operational space-weather forecasting, along with full-disc images of Earth.
space_mission:dscovrDataset membership
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Scientific entity. See the evidence framework and authority dashboard.
How DSCOVR (Deep Space Climate Observatory) connects across Asteria Star — scientific, cultural, and astrological links are kept separate.
The continuous stream of charged particles — mostly protons and electrons — that flows outward from the Sun's corona at hundreds of kilometres per second, filling the Solar System and shaping planetary magnetospheres.
A temporary disturbance of Earth's magnetosphere, driven by the arrival of a fast solar wind or a coronal mass ejection. Strong storms can disrupt satellites, power grids, and navigation, and drive bright auroras.
Spacecraft are exposed to the full force of space weather: energetic particles charge their surfaces and interiors and flip bits in their electronics, while geomagnetic storms heat and expand the upper atmosphere, increasing drag and pulling low-orbit satellites down faster.
A NASA mission at the Sun–Earth L1 point that measures the solar wind and energetic particles upstream of Earth, giving roughly an hour of warning before disturbances reach the planet.
ESA's Asteroid Impact Mission — the original European orbiter half of the AIDA collaboration, meant to observe the DART impact in real time. It was not funded in 2016, but its science was largely revived and reshaped as the Hera mission.
Apollo 11 was the NASA mission that in July 1969 first landed humans on the Moon, with Neil Armstrong and Buzz Aldrin walking on the lunar surface.
Apollo 13's planned lunar landing was aborted after an oxygen-tank explosion; the crew returned safely in a celebrated rescue.
Apollo 17 was the final crewed Apollo lunar landing, carrying the first scientist-astronaut to the Moon.
Apollo 8 was the first crewed mission to leave Earth orbit and orbit the Moon, returning the famous 'Earthrise' photograph.
Facts on this topic will be cited from these primary and reference sources.
Public-domain solar-position geometry: sunrise, sunset, solar noon, twilight, declination, and the equation of time.
Public domain (US Government work).
Mission data, planetary science, space telescopes, and public-domain imagery.
Most NASA-produced imagery is in the public domain; individual items are checked for usage terms before publication.