Astrophotographer captures rare footage of the Hubble Telescope crossing the sun (video) | First …

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Astrophotographer captures rare footage of the Hubble Telescope crossing the sun (video)

The Hubble Telescope appears as a tiny silhouette during a perfectly timed solar transit captured from Puerto Rico.

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Is it a bird? Is it a plane? No, it's the Hubble Space Telescope transiting the sun at around 17,000 mph (27,000 kph).

Astrophotographer Efrain Morales captured the dramatic footage on Dec. 15, 2025, from the city of Aguadilla in Puerto Rico. In the video, the Hubble Space Telescope appears as a tiny, defined silhouette gliding past the sunspot known as AR4308.

The entire event lasted just 1.01 seconds, leaving Morales no margin for error.

First maps of the sun’s outer boundary may help predict solar storms

Data from inside the sun’s corona helped create a sharper picture than before

The outer edge of the sun’s corona (illustrated) has a rough, spiky shape that expands and contracts like a pufferfish.

That’s what scientists have gleaned from the first verified maps of the shifting boundary between the sun and the rest of the solar system. “The structure is basically this kind of corrugated, spiky shape,” says heliophysicist Sam Badman. As the sun gets more active, the boundary gets larger and spikier, Badman and colleagues report in the Dec. 20 Astrophysical Journal Letters.

Maps of this boundary, known as the Alfvén critical surface, could help scientists better predict how solar activity affects satellites, human and animal health and atmospheric phenomena such as auroras.

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