radio astronomy

noun

: astronomy dealing with radio waves received from outside the earth's atmosphere

radio astronomer noun

radio astronomical adjective

Examples of radio astronomy in a Sentence

Recent Examples on the Web

By 2030, some 100,000 satellites could circle the planet, disrupting radio astronomy observations not hundreds of times per day but thousands. —Tereza Pultarova, Space.com, 20 Aug. 2025

Scientists commonly strayed from the radio astronomy lanes to receive the black hole signals. —Lucia McCallum, Space.com, 26 July 2025

Using the James Webb Space Telescope and a radio astronomy observatory in Chile, the first specks of planet-forming material were detected around a star called HOPS-315, about 1,300 light-years from the solar system. —Jamie Carter, Forbes.com, 16 July 2025

Now cutting-edge radio astronomy is helping cosmologists peer back in time to the very start of the universe, when only Hula-Hooping particles existed. —Jeanna Bryner, Scientific American, 20 May 2025

Word History

First Known Use

1948, in the meaning defined above

Rhymes for radio astronomy

• aeronomy
• agronomy
• autonomy
• economy
• gastronomy
• metonymy
• taxonomy
• deuteronomy

Kids Definition

radio astronomy

noun

: astronomy dealing with electromagnetic waves of radio frequency received from outside the earth's atmosphere

radio astronomer noun