extrasolar

[ek-struh-soh-ler]

adjective

1. outside, or originating outside, the sun or the solar system.

extrasolar

/ ˌɛkstrəˈsəʊlə /

adjective

1. occurring or existing beyond the earth's solar system

Word History and Origins

Origin of extrasolar¹

First recorded in 1885–90; extra- + solar ¹

Example Sentences

"The variability of extrasolar planets is just enormous," Muñoz said.

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"Extrasolar systems can look like our solar system, but in some cases, they look entirely different and exotic. We're very interested in seeing how the solar system forms in context by understanding systems that look like ours and ones that look completely different. We can get a sense of what the extremes are, how average our planet formation history is and how average our solar system is."

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According to the Extrasolar Planets Encyclopaedia, 5172 exoplanets have been discovered so far, occupying 3816 planetary systems.

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Webb will study a number of astronomical objects, including the most distant galaxies in the Universe, the atmospheres of extrasolar planets and stellar nurseries shrouded in dust.

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Confirming or refuting the result may not be immediately possible, but given the expected abundance of moons in our galaxy and beyond, it could further herald the tentative beginnings of an exciting new era of extrasolar astronomy—one focused not on alien planets but on the natural satellites that orbit them and the possibilities of life therein.

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