This article was updated Feb. 28, 2023. It was originally published March 1, 2000. Planetary gears can supply high levels of torque and high-speed reduction. They are also relatively compact ...

A new investigation into old Kepler data has revealed that a planetary system once thought to house zero planets actually has ...

A planetary alignment goes down, up high, when more than two planets align in the sky. If three planets align, it’s known as a mini-planetary alignment; ...

Planetary gears convert high-speed, low-torque inputs to low-speed, high-torque outputs. Some clearance is needed for a planetary gearhead to work effectively.

The planetary defense mecha were on high alert By Annalee Newitz Published April 8, 2013 | Comments (0) 𝕏 ...

Planetary Resources, the high-profile new company backed by Eric Schmidt, Larry Page, and James Cameron among others, announced earlier today that it would be prospecting for near-Earth asteroids ...

With no Moon in the sky, we're centering on M15, which stands 60° high in the southern sky around 3:30 A.M. local daylight ...

When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Kids can celebrate a planetary "high five" tonight by tuning in to the online Slooh ...

Packing a compact design, along with high torque and low-speed outputs, the new SEW PPK and SEW P2.e planetary gear units from SEW-EURODRIVE offer new capabilities in continuous heavy duty ...

From his backyard in Arizona, astrophotographer Andrew McCarthy has captured stunning photos of the celestial objects high above us. His recent photo of the planetary parade has hundreds of thousands ...

Limits on High-Frequency Gravitational Waves in Planetary Magnetospheres. Physical Review Letters , 2024; 132 (13) DOI: 10.1103/PhysRevLett.132.131402 Morgan Hollis.