radar astronomy

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noun

the branch of astronomy that uses radar to map the surfaces of planetary bodies, as the moon and Venus, and to determine periods of rotation.

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Origin of radar astronomy

First recorded in 1955–60

Words nearby radar astronomy

racquetball, racy, rad, RADA, radar, radar astronomy, radar beacon, radar gun, radarkymography, radarman, radar picket

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2022

How to use radar astronomy in a sentence

There should be a retrievable record of exactly when the Airbus disappeared from radar.
Did Bad Weather Bring Down AirAsia 8501?|Clive Irving|December 29, 2014|DAILY BEAST
The flight path remained close to the Indonesian archipelago, well within what is the normal reach of air traffic control radar.
Did Bad Weather Bring Down AirAsia 8501?|Clive Irving|December 29, 2014|DAILY BEAST
The authors took care to eliminate the possibility of other sources of polarization, which is always a concern in astronomy.
The Black Hole Tango|Matthew R. Francis|November 24, 2014|DAILY BEAST
“He went to the top of my radar screen,” Tancredo told The Daily Beast.
The ‘Stop Chris Christie’ Movement Begins. Good Luck With That.|Olivia Nuzzi|November 8, 2014|DAILY BEAST

The radar stations would be used to guide interceptors to their targets while the training range would be used to train pilots.
Russia Preps Its North Pole Invasion|Dave Majumdar|November 8, 2014|DAILY BEAST
A learned Professor declared that no person unacquainted with astronomy could correlate “Moon” to “Omnibus.”
Assimilative Memory|Marcus Dwight Larrowe (AKA Prof. A. Loisette)
First of all comes astronomy, including the phenomena exhibited in the heavens, beyond the limits of the earth's atmosphere.
Outlines of the Earth's History|Nathaniel Southgate Shaler
Science began with astronomy, and the first instruments which men contrived for the purpose of investigation were astronomical.
Outlines of the Earth's History|Nathaniel Southgate Shaler
As stated in the chapter on astronomy, some trace of the triangular form appears in the land masses of the planet Mars.
Outlines of the Earth's History|Nathaniel Southgate Shaler
He talked until late into the night about astronomy and its latest discoveries.
The Life & Letters of Peter Ilich Tchaikovsky|Modeste Tchaikovsky

British Dictionary definitions for radar astronomy

radar astronomy

noun

the use of radar to map the surfaces of the planets, their satellites, and other bodies

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Scientific definitions for radar astronomy

radar astronomy

The scientific study of nearby astronomical objects by reflecting microwaves off the objects and analyzing the echoes. The techniques of radio astronomy can be tailored to answer specific questions, such as the rotation period of the inner planets and the Moon. They have has also been used to test General Relativity, measure distances and features of planets in the solar system, and determine the composition, position, and spin of asteroids.