Artist illustration of Antares’ Atmosphere

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Artist illustration of Antares’ Atmosphere

Artist impression of the atmosphere of Antares. As seen with the naked eye (up until the photosphere), Antares is around 700 times larger than our sun, big enough to fill the solar system beyond the orbit of Mars (Solar System scale shown for comparison). But ALMA and VLA showed that its atmosphere, including the lower and upper chromosphere and wind zones, reaches out 12 times farther than that.

Credit: NRAO/AUI/NSF, S. Dagnello

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Artist illustration of Antares’ Atmosphere

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