Sun
Summer Begins in Northern Hemisphere
Summer Begins in Northern Hemisphere The first day of summer in the Northern Hemisphere is June 20, 2025, which is also the longest day of the year. The Southern Hemisphere experiences its shortest day and beginning of winter on June 20, 2025. Earth orbits at an angle, causing the Northern Hemisphere to tilt towards the […]
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2 solar probes are helping researchers understand what phenomenon powers the solar wind
2 solar probes are helping researchers understand what phenomenon powers the solar wind This artist's rendition shows NASA's Parker Solar Probe approaching the Sun. Steve Gribben/Johns Hopkins APL/NASA via AP Our Sun drives a constant outward flow of plasma, or ionized gas, called the solar wind, which envelops our solar system. Outside of Earth’s protective […]
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