[ awrt, ohrt ]
/ ɔrt, oʊrt /
What Does 💭 Thought Balloon Emoji Mean?The thought balloon emoji means you are thinking through something, as in trying to make a decision or come up with what to say next.
What Is The Difference Between Snow Flurries And Snow Showers?Snow refers to the partially frozen water vapor which falls in flakes. The expression snow flurries refers to light, intermittent snowfall without significant accumulation. Snow flurries tend to come from stratiform clouds. Snow showers is the label used to refer to a short period of light-to-moderate snowfall, also characterized by a sudden beginning and ending. There is some accumulation with snow showers, and they fall from convective or cumuliform clouds. A snow …
Origin of Oort cloud
1975–80; after Dutch astronomer Jan Hendrik Oort (1900–1992), who proposed its existence
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Science definitions for oort cloud
[ ôrt ]
A sphere-shaped mass of more than 100 billion comets that makes up the outer edge of the solar system, surrounding the Kuiper belt and the planets. Some comets from this area are drawn into the inner solar system by passing stars and other forces and take more than 200 years to make one complete orbit of the Sun. Compare Kuiper belt.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.