Astronomers use many methods to determine this number, including gravitational lensing, the universe’s expansion rate, and ...
Amateur astronomers hold differing views on the significance of observing awards, with some actively pursuing them while others show little interest. The Herschel 400 observing program is frequently ...
Venus, currently traversing Leo, rises around 4:00 A.M. local daylight time (LDT) at 40° N 90° W, preceding sunrise at 6:36 A.M. LDT. By 5:30 A.M. LDT, Venus reaches 15° altitude in the east, with ...
A 250-day experiment using a ring laser achieved unprecedented accuracy in measuring Earth's axial wobble (nutation and precession), surpassing previous gyroscope and ring laser technologies by a ...
Fomalhaut (Alpha Piscis Austrini), a magnitude 1.2 star, is visible in the southern sky after 8:30 PM local daylight time, reaching its highest point around midnight. Located 25 light-years from Earth ...
Astronomy magazine's Editor Emeritus, Dave Eicher, encourages early morning sky observation during the second week of September. The observation focuses on the Moon's passage near the Pleiades star ...
Three comets (C/1618 Q1, C/1618 V1, and C/1618 W1) were observed in 1618, all visible to the naked eye. C/1618 Q1, first observed in August over Hungary, marks the first known telescopic observation ...
The planetary nebula NGC 6781, located in the constellation Aquila, is observable near Delta Aquilae and possesses a magnitude of 11.4 and an apparent diameter of 109 arcseconds. NGC 6781 is ...
NASA's Chandra X-ray Observatory detected a powerful X-ray flare emanating from Sagittarius A* (Sgr A*), the supermassive black hole at the center of the Milky Way galaxy, in October 2000. This ...
Titan's shadow transit across Saturn begins at 1 A.M. EDT, with the moon itself beginning a partial transit across Saturn's northern polar region around 5 A.M. EDT. Titan's shadow transit lasts ...
President Trump announced the relocation of U.S. Space Command headquarters from Peterson Space Force Base, Colorado, to Redstone Arsenal in Huntsville, Alabama. The Department of Defense anticipates ...
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