the distance from one celestial body to another, measured in astronomical units, light-years, or parsecs.
Why is exciting planet discovery called “Goldilocks,” and what is its actual name?This week, excitement was stoked by the discovery of a “Goldilocks planet” within our astronomical neighborhood. Located about 20 light years away in the constellation of Libra, the exoplanet in question has temperatures ranging from –25 to 160 degrees Fahrenheit , orbits its star from a distance of .146 Astronomical Units (about 14 million miles), and has a mass 3 to 4 times that of …
Five English Words That Are Utterly UniqueRead more in this article about some frequently asked questions and fun facts related to our definitions.
- astronomer royal,
- astronomical clock,
- astronomical frame of reference,
- astronomical refraction,
- astronomical telescope,
- astronomical triangle,
- astronomical twilight
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019