outer planet


Definition of outer planet

: any of the planets Jupiter, Saturn, Uranus, and Neptune whose orbits lie beyond the asteroid belt

Examples of outer planet in a Sentence

Recent Examples on the Web

As the dreamy outer planet slows down to a halt on the day of the solstice, the vibe will be lucid and introspective. Randon Rosenbohm, Allure, "What Your Sign's June Horoscope Predictions Mean for You," 29 May 2019 The standard model is humanity's own system: The inner planets are rocky and solid, outer planets are gaseous. David Grossman, Popular Mechanics, "Mysterious Iron Exoplanet Could Reveal the Secrets of Our Own Solar System," 5 Feb. 2019 Although this planetary connection is somewhat rare, as these outer planets won’t meet again until 2022, this is actually the third — and final — alignment of 2018’s three-part series. Aliza Kelly Faragher, Allure, "What September's Aries Horoscope Means for You," 30 Aug. 2018 Additional missions were identified as well, such as a lunar spacecraft and probes to explore the outer planets. Jay Bennett, Popular Mechanics, "The Spacecraft Engineering Required to "Touch the Sun"," 6 Aug. 2018 The agency has an unparalleled track record in exploration, particularly with robotic probes stretching across the Solar System from the Sun to the outer planets and beyond. Eric Berger, Ars Technica, "On NASA’s birthday, a reminder that we can thank Nixon for the agency," 1 Oct. 2018 The outer planets — Jupiter, Saturn, Uranus, Neptune — were formed by vacuuming up smaller objects in their paths. Brian Resnick, Vox, "Astronomers discovered 10 new moons of Jupiter. Where have they been hiding?," 17 July 2018 And, as one of the outer planets in our solar system, Uranus moves pretty slowly, completing one orbit of the sun every 84 years and moving into a new Zodiac sign about every seven. refinery29.com, "Uranus Is Moving Into Taurus — & That’s Actually Kind Of A Big Deal," 14 May 2018 The planets on the other side of the asteroid belt are referred to as the outer planets. Aliza Kelly Faragher, Allure, "Birth Charts 101: An Astrology Beginner's Guide to Understanding the Planets," 12 Mar. 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'outer planet.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of outer planet

1850, in the meaning defined above

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Last Updated

11 Jul 2019

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Time Traveler for outer planet

The first known use of outer planet was in 1850

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Britannica.com: Encyclopedia article about outer planet

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