heliocentric

adjective
he·​lio·​cen·​tric | \ ˌhē-lē-ō-ˈsen-trik How to pronounce heliocentric (audio) \

Definition of heliocentric

1 : referred to or measured from the sun's center or appearing as if seen from it
2 : having or relating to the sun as center — compare geocentric

Examples of heliocentric in a Sentence

Galileo proposed the heliocentric theory that the Earth goes around the sun.
Recent Examples on the Web This heliocentric theory violated the prevailing belief dating back to Aristotle and engrained in Christian theology that the sun and planets rotate around a stationary earth. Joel Zinberg, National Review, 9 June 2021 Unfortunately, the geocentric predictions were more accurate — with fewer and smaller observational discrepancies — than the heliocentric model. Ethan Siegel, Forbes, 10 Mar. 2021 When the inquisition required him to drop his study of what the Roman Catholic Church insisted was not a heliocentric solar system, Galileo Galilei turned his energy to the less controversial question of how to stick a telescope onto a helmet. Alex Davies, Wired, 6 Jan. 2021 And once any lingering stages used to propel a spacecraft have been spent, they're discarded in Earth's orbit or drift off and eventually join a heliocentric orbit. Jennifer Leman, Popular Mechanics, 23 Sep. 2020 Luna 1 became the first spacecraft to enter a heliocentric orbit, Luna 2 struck the Moon, and Luna 3—quite incredibly, for the time—captured photos of the far side of the Moon and returned them to Earth. Eric Berger, Ars Technica, 4 Oct. 2019 He's lionized for advocating a heliocentric view of our solar system, spurning Church doctrine and becoming a heretic. Sam Blum, Popular Mechanics, 25 Sep. 2018 The Helios 2 set the heliocentric speed record at 153,454 miles per hour. David Grossman, Popular Mechanics, 30 Oct. 2018 Mission managers will now send a command to the spacecraft, which is presently trailing Earth in a heliocentric orbit about 150 million kilometers away, to turn off the spacecraft's transmitters. Eric Berger, Ars Technica, 30 Oct. 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'heliocentric.' 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 heliocentric

1685, in the meaning defined at sense 1

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The first known use of heliocentric was in 1685

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Dictionary Entries Near heliocentric

heling

heliocentric

heliocentric latitude

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Cite this Entry

“Heliocentric.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/heliocentric. Accessed 25 Sep. 2021.

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More Definitions for heliocentric

heliocentric

adjective

English Language Learners Definition of heliocentric

: having or relating to the sun as the center

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