AR 3664 at the Sun's Edge (13MAY2024) (Thomas LELU)

Contains: Solar system body or event

AR 3664 at the Sun's Edge (13MAY2024)

Acquisition type: Lucky imaging

AR 3664 at the Sun's Edge (13MAY2024)

Acquisition type: Lucky imaging

What did the monster active region that created the recent auroras look like when at the Sun's edge? There, AR 3664 better showed its 3D structure. Pictured, a large multi-pronged solar prominence was captured extending from chaotic sunspot region AR 3664 out into space, just one example of the particle clouds ejected from this violent solar region. The Earth could easily fit under this long-extended prominence. The featured image was captured two days ago from this constantly changing region. Yesterday, the strongest solar flare in years was expelled (not shown), a blast classified in the upper X-class. Ultraviolet light from that flare quickly hit the Earth's atmosphere and caused shortwave radio blackouts across both North and South America. Although now rotated to be facing slightly away from the Earth, particles from AR 3664 and subsequent coronal mass ejections (CMEs) might still follow curved magnetic field lines across the inner Solar System and create more Earthly auroras.

Credit text : APOD Nasa of 2024 May 15

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Title: Another view of the protuberance

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Title: Another view of the very choppy surface

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Solar imaging

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AR 3664 at the Sun's Edge (13MAY2024)

AR 3664 at the Sun's Edge (13MAY2024)

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AR 3664 at the Sun's Edge (13MAY2024)

AR 3664 at the Sun's Edge (13MAY2024)

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