The Sun - Science@NASA
The Sun's gravity holds the solar system together, keeping everything – from the biggest planets to the smallest particles of debris – in its orbit. The connection and interactions between the Sun and Earth drive the seasons, ocean currents, weather, climate, radiation belts and auroras.
NASA’s Parker Solar Probe Makes History With Closest Pass to Sun
Dec 27, 2024 · Breaking its previous record by flying just 3.8 million miles above the surface of the Sun, NASA’s Parker Solar Probe hurtled through the solar atmosphere at a blazing 430,000 miles per hour — faster than any human-made object has ever moved.
Sun: Exploration - NASA Science
NASA’s Parker Solar Probe is studying our star from closer than any previous spacecraft. On Dec. 14, 2021, NASA announced that Parker had flown through the Sun’s upper atmosphere – the corona – the first time in history that a spacecraft had touched the Sun.
NASA, NOAA to Provide Update on Progress of Solar Cycle
Oct 8, 2024 · When the Sun is most active, space weather events become more frequent. Solar activity, such as the storm in May 2024, has sparked displays of aurora and led to impacts on satellites and infrastructure in recent months. NASA works as a research arm of the nation’s space weather effort.
NASA Enters the Solar Atmosphere for the First Time, Bringing …
Dec 14, 2021 · For the first time in history, a spacecraft has touched the Sun. NASA’s Parker Solar Probe has now flown through the Sun’s upper atmosphere – the corona – and sampled particles and magnetic fields there.
All NASA News - NASA
Oct 13, 2023 · From new perspectives on the early universe to illuminating the extreme environment near a black hole, discoveries from NASA missions will be highlighted at the 245th meeting of the American Astronomical Society (AAS).
New Sun Missions to Help NASA Better Understand Earth-Sun …
Jul 26, 2023 · NASA has selected two science missions – the Multi-slit Solar Explorer (MUSE) and HelioSwarm – to help improve our understanding of the dynamics of the Sun, the Sun-Earth connection, and the constantly changing space environment.
NASA’s New Eye on the Sun Delivers Stunning First Images
Jun 6, 2013 · The experiment will decipher the physics of the sun’s activity, taking pictures in several very narrow bands of visible light. Scientists will be able to make ultrasound images of the sun and study active regions in a way similar to watching sand shift in a desert dune.
NASA’s NuSTAR Telescope Reveals Hidden Light Shows on the Sun
Feb 9, 2023 · The high-energy X-rays observed by NuSTAR appear at only a few locations in the Sun’s atmosphere. By contrast, Hinode’s XRT detects low-energy X-rays, and SDO’s AIA detects ultraviolet light – wavelengths that are emitted across the entire face of the Sun.
Our Sun: Facts - Science@NASA
The core is the hottest part of the Sun. Nuclear reactions here – where hydrogen is fused to form helium – power the Sun’s heat and light. Temperatures top 27 million °F (15 million °C) and it’s about 86,000 miles (138,000 kilometers) thick.