Tag: telescopes
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Universe Expansion Rate: Sharpening H0 Measurements
New precision in measuring the cosmos’ expansion In a landmark effort to pin down the rate at which the universe is expanding, a diverse team of astronomers has achieved one of the most precise independent measurements to date. By combining observations from a suite of ground- and space-based telescopes, including the W. M. Keck Observatory…
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Spot Uranus Brightest at Opposition on Nov. 21, 2025: What to Expect
Uranus at Opposition: A rare November treat for stargazers November 2025 offers a prime opportunity to glimpse the distant ice giant Uranus as it reaches opposition. Opposition is when the planet lies opposite the Sun in the sky, placing it closest to Earth and brightest for observers. For Uranus, this is one of the best…
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Spot Uranus Shining at Its Brightest This Year: What to Expect on Nov. 21
Why November 2025 Is Your Best Time to See Uranus The ice giant Uranus reaches opposition this November, placing the planet opposite the Sun in our sky. When a planet is at opposition, it rises as the Sun sets, shines all night, and sits closest to Earth in its orbit. For observers in the Northern…
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Spot Uranus Brightest this Year: What to Expect on Nov. 21
Uranus at Opposition: A Rare November Brightening If you’re an astronomy enthusiast, November 2025 offers a prime window to observe Uranus as it reaches opposition. This is when the ice giant rises opposite the Sun in our sky, presenting its best contrast and highest visibility for the year. While Uranus won’t resemble the moon in…
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Comet C/2025 K1 (ATLAS) Breaks Apart, Stunning Telescope Photos Capture Its Dramatic Breakup
Introduction: A Dramatic Solar Encounter Comet C/2025 K1, popularly known as ATLAS, has stunned observers with dramatic breakup activity following its close approach to the Sun earlier this month. Discovered this year, the comet drew significant attention as it journeyed toward the inner solar system, only to unleash a spectacular display of fragmentation as it…
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Two Galilean Shadows: Io and Europa Darken Jupiter’s Clouds on Nov. 5
Introduction: A rare celestial alignment In the early hours after midnight on November 5, observers with even modest telescopes will be treated to a striking astronomical moment: the silhouettes of two of Jupiter’s Galilean moons, Io and Europa, crossing the giant planet’s disk and casting dark shadows onto its cloud tops. This event, driven by…
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China Begins Construction of Advanced Telescope on Qinghai-Tibet Plateau
Introduction to China’s New Telescope Project On a significant note for global astronomy, China has officially commenced the construction of the Xue-shan-mu-chang 15-meter SubMillimeter Telescope (XSMT) in Delingha, located in the heart of the Qinghai-Tibet Plateau. Often referred to as the ‘roof of the world,’ this region is renowned for its unique environmental conditions, which…
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Grote Reber: The Legacy of a Radio Astronomy Pioneer
Introduction to Grote Reber Grote Reber was an influential figure in the field of radio astronomy, known primarily for his pioneering work in the mid-20th century. Born in 1911 in Wheaton, Illinois, Reber made significant strides in the exploration of celestial radio waves, laying the groundwork for modern radio astronomy. Reber’s Journey in Radio Astronomy…