Tag Archives: APOD

New Horizons

“In three weeks, the robotic New Horizons spacecraft will reach Pluto. As the featured video makes clear, though, humanity has been on an unprecedented epoch of robotic exploration of our Solar System‘s planets for the past half century. The video … Continue reading

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20 Years Of APOD

Astronomy Picture of the Day is 20 years old today! To celebrate, they’ve digitally re-pixelated and altered the famous painting by Vermeer, using many of the over 5000 APOD images they’ve collected over the years. It’s a brilliant piece, and … Continue reading

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Sun And Moon Halo

“Two pictures captured on April 1 are combined in this creative day and night composite. Separated in time by about 10 hours the images otherwise match, looking along the coast at Östersund Sweden. The relative times were chosen to show … Continue reading

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Two Worlds, One Sun

“How different does sunset appear from Mars than from Earth? For comparison, two images of our common star were taken at sunset, one from Earth and one from Mars. These images were scaled to have same angular width and featured here … Continue reading

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Vesta Trek: A Digital Model Of Asteroid Vesta

“You can explore asteroid Vesta. Recently, NASA’s robotic spaceship Dawn visited Vesta, the second largest object in our Solar System’s main asteroid belt, which lies between Mars and Jupiter. During a year-long stopover, Dawn‘s cameras photographed Vesta’s entire surface, documenting … Continue reading

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A Double Eclipse Of The Sun

“Can the Sun be eclipsed twice at the same time? Last Friday was noteworthy because part of the Earth was treated to a rare total eclipse of the Sun. But also on Friday, from a part of the Earth that … Continue reading

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Earth During A Total Eclipse Of The Sun

“What does the Earth look like during a total solar eclipse? It appears dark in the region where people see the eclipse, because that’s where the shadow of the Moon falls. The shadow spot actually shoots across the Earth at … Continue reading

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