The Sun

NASA, NOAA to Provide Update on Progress of Solar Cycle – NASA

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NASA, NOAA to Provide Update on Progress of Solar Cycle – NASA

NASA and the National Oceanic and Atmospheric Administration (NOAA) will discuss the Sun’s activity and the progression of Solar Cycle 25 during a media teleconference at 2 p.m. EDT, Tuesday, Oct. 15. Tracking the solar cycle is a key part of better understanding the Sun and mitigating its impacts on technology and infrastructure as humanity … Read more

NASA Scientists Gear Up for Solar Storms at Mars – NASA

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NASA Scientists Gear Up for Solar Storms at Mars – NASA

The Sun will be at peak activity this year, providing a rare opportunity to study how solar storms and radiation could affect future astronauts on the Red Planet. In the months ahead, two of NASA’s Mars spacecraft will have an unprecedented opportunity to study how solar flares — giant explosions on the Sun’s surface — … Read more

How NASA’s Roman Telescope Will Measure Ages of Stars – NASA

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How NASA’s Roman Telescope Will Measure Ages of Stars – NASA

Guessing your age might be a popular carnival game, but for astronomers it’s a real challenge to determine the ages of stars. Once a star like our Sun has settled into steady nuclear fusion, or the mature phase of its life, it changes little for billions of years. One exception to that rule is the … Read more