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The History of Radio Astronomy - National Radio Astronomy Observatory
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The shortest day of the year is approaching: Winter Solstice 2025 ☀️🌑 On 21 December 2025, the Northern Hemisphere reaches the winter solstice – the moment when the Sun is at its lowest position in the sky and daylight is at its shortest. From this point onward, days will gradually begin to lengthen again. The winter solstice occurs because Earth’s axis is tilted, causing the Northern Hemisphere to lean furthest away from the Sun. While it marks the astronomical start of winter, it has long bee
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The shortest day of the year is approaching: Winter Solstice 2025 ☀️🌑 On 21 December 2025, the Northern Hemisphere reaches the winter solstice – the moment when the Sun is at its lowest position in the sky and daylight is at its shortest. From this point onward, days will gradually begin to lengthen again. The winter solstice occurs because Earth’s axis is tilted, causing the Northern Hemisphere to lean furthest away from the Sun. While it marks the astronomical start of winter, it has long bee
659 views3 months ago
FacebookMeteoblue
The Summer Triangle Credit: RA/DEC Astronomy team The Summer Triangle is an asterism. It consists of three bright stars: Deneb in the constellation Cygnus, Vega in Lyra and Altair in Aquila. It transits the meridian in mid-summer, but this triangle in the sky is visible for about 6 months, from late night in spring to early evening in autumn. This image is made combining several pictures taken from a very dark night site. (10567 × 8252 px) https://flic.kr/p/2rnpZD3 #fblifestyle | Greatest Minds
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The Summer Triangle Credit: RA/DEC Astronomy team The Summer Triangle is an asterism. It consists of three bright stars: Deneb in the constellation Cygnus, Vega in Lyra and Altair in Aquila. It transits the meridian in mid-summer, but this triangle in the sky is visible for about 6 months, from late night in spring to early evening in autumn. This image is made combining several pictures taken from a very dark night site. (10567 × 8252 px) https://flic.kr/p/2rnpZD3 #fblifestyle | Greatest Minds
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FacebookGreatest Minds and the Legends
🎄DÉC NGƯỜI YÊU RA CẦU RỒNG XEM CÂY THÔNG NOEL PHÁT SÁNG ĐẸP CHƯA KÌA 😍 | Đà Nẵng Channel
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