Earth from Orbit: Summer Solstice | NOAA June 21 marked the official start of astronomical summer in the Northern Hemisphere. The summer solstice—the longest day and shortest night of the year—occurred at 5:14 a.m. EDT. The seasons change at various times of the year due to the planet’s axial tilt of 23.5 degrees as it orbits the sun. This tilt means the two hemispheres are exposed to different sun angles and variable lengths of daylight throughout the year. The solstices mark when the sun reach
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Today is the summer solstice in the Northern Hemisphere. It’s summertime! 😎 Earth orbits at an angle. Solstices happen twice a year, at the points in Earth’s orbit where this tilt is most pronounced. Half the year the Northern Hemisphere is tilted toward the Sun — making it summer. The other half of the year, the Northern Hemisphere is tilted away from the Sun making it winter. The summer solstice is the longest day of the year & the official start of summer. | NASA Space Alerts
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June 21, 2025 – First Day of Summer in the Northern Hemisphere Welcome the Summer Solstice! 🌞 On June 21, 2025, the Northern Hemisphere experiences its longest day of the year as the Earth tilts 23.5° toward the Sun. This marks the official start of summer, bringing more daylight, warmth, and energy to our skies. 🌍✨ Learn how Earth's axial tilt shapes our seasons and why this day is so special in astronomy. #SummerSolstice2025 #FirstDayOfSummer #June2025 #AstronomyFacts #EarthTilt | Cosmos Sta
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