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A Martian Eclipse: Phobos Crosses the Sun

By iftttauthorways4eu on Mon May 09 2022

What’s that passing in front of the Sun? It looks like a moon, but it can’t be Earth’s Moon, because it isn’t round. It’s the Martian moon Phobos. The featured video was taken from the surface of Mars a month ago by the Perseverance rover. Phobos, at 11.5 kilometers across, is 150 times smaller than […]

Spiral Galaxy NGC 1512: The Inner Rings

By iftttauthorways4eu on Sun May 08 2022

Most galaxies don’t have any rings — why does this galaxy have two? To begin, the bright band near NGC 1512’s center is a nuclear ring, a ring that surrounds the galaxy center and glows brightly with recently formed stars. Most stars and accompanying gas and dust, however, orbit the galactic center in a ring […]

Firefall by Moonlight

By iftttauthorways4eu on Sat May 07 2022

On certain dates in February, an elusive firefall can be spotted at sunset in Yosemite National Park, when water flows, the weather cooperates and the direction to the setting Sun is just right. Often photographed from vantage points below, at the right moment the park’s seasonal Horsetail Fall is isolated in the shadows of the […]

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