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

The primary observational focus is Jupiter, featuring a transit of its moon Ganymede and its associated shadow. Prior to the transit, Ganymede and Europa will execute a close alignment and pass east ...

Mercury's visibility is noted to be improving, appearing 7° high an hour before sunrise with a magnitude of –0.3 and a 54% illuminated disk. The planet is approaching its greatest western elongation, ...

On December 3, the Moon reaches perigee, its closest orbital point to Earth, followed by a Full Moon (the December Cold Moon) at 6:14 P.M. EST. This event is identified as a Super Moon, concluding a ...

Celestron introduces the Moon Mission 100mm Tabletop Dobsonian, a 4-inch f/4 reflector telescope that includes two eyepieces, a finder scope, and a Moon filter, weighing 5.3 pounds with an optical ...

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) ...

Saturn's moon Iapetus reaches western elongation, attaining approximately 10th magnitude and appearing 10 arcminutes west of the primary. Saturn, with an apparent magnitude of 0.8, is observable ...

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 ...

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 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 ...

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 ...

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 ...