Before we dive in, let’s do a quick review to appreciate what it actually means for an object to be in orbit. As Isaac Newton’s famous first law of motion states, an object in motion will stay in ...

The strange outer-space object 'Oumuamua flew through our solar system in 2017 and captured our imaginations. Meaning "scout" or "messenger" in Hawaiian, 'Oumuamua was the first known visitor from ...

Earth's orbit is an ellipse, not a perfect circle. Earth's distance from the Sun varies by about 3 million miles throughout the year. Earth's orbit's semimajor axis is approximately 93 million miles.

The post New Paper Identifies Something “Consuming” Certain Types Of Stars Near The Center Of The Milky Way first on TwistedSifter.

The US Cybersecurity and Infrastructure Security Agency warns that Earth-based frameworks don’t translate neatly into orbit.

Orbital emphysema is where air collects within the eyelid or orbit, the space within the skull that contains the eyeball. This may increase pressure within the eye and result in vision loss. The ...

The low-profile Sidewinder antenna installation, pictured on a regional jet, was designed for compatibility with any K u constellation in any orbit. Credit: Stellar Blu Rising expectations for ...

Artistic impression of European Data Relay Satellite (EDRS) system (not to scale). These satellites work in GEO and relay data to and from non-GEO satellites, spacecraft, and stations that aren’t ...