At least two ingredients are needed to make jets — rotation and magnetic fields — and these produce the ubiquitous laserlike jets we see.

Christian Doppler (1803-1853) studied mathematics, physics, and astronomy, eventually holding academic positions including a professorship and the inaugural directorship of the Institute of Physics in ...

On November 27, Saturn will reach a stationary point in the constellation Aquarius, visible at magnitude 0.9 and positioned 40° high in the southern sky at 8 P.M. EST, with a waxing Moon in close ...

Dave Eicher, Editor Emeritus of *Astronomy* magazine, encourages observers to locate Saturn, the solar system's sixth planet, in the evening sky. During this observational period, Saturn's typically ...

Lunar astrophotography is highly accessible, accommodating a range of telescope types and cameras, and leverages the Moon's brightness to enable short exposure times. Optimal image acquisition often ...

On November 22, Titan will transit Saturn. The Silver Sliver Galaxy (NGC 891), an edge-on spiral measuring 13’ by 3’ and glowing at magnitude 9.9, is observable 3.5° east of Almach (Gamma Andromedae) ...

King Alfonso X "the Wise" (b. 1221) was a noted scholar who pioneered the translation of Arabic and Andalusian astronomical works into vernacular Castilian. His multicultural court was active in ...

The Celestron Moon Mission Travel Scope 70 is presented as a 2.8-inch f/5.7 refractor telescope, retailing for $109.95, complete with 10mm and 20mm eyepieces, a 45° erect image diagonal, a 3x Barlow ...

On November 20, Callisto will begin a transit across the disk of Jupiter at 5:53 A.M. EST. Uranus will reach opposition on November 20 at 7 A.M. EST, presenting the optimal viewing period for the ice ...

NASA hosted a livestream to present newly released images of Comet 3I/ATLAS, identified as the third known interstellar object to enter our solar system, while directly clarifying its cometary nature ...

On November 18, observers are advised to look for Leonid meteors in the morning. Also on November 18, bright Venus (magnitude –3.9) will appear approximately 0.8° to the left of the 2.8 magnitude star ...

The cosmic microwave background (CMB) radiation is described as an imperceptible universal glow, representing the 13.8-billion-year-old remnant signature of the cosmos's primordial hot, dense origin.