Earth Again — Look At Me Shine

Wow, what a cool view. That’s Earth with the Pleiades and Hyades star clusters, the very same clusters we see on fall nights from our backyards. On occasion, you’ll catch Jupiter, Mars or another planet pass by these groups but Earth? Only from the perspective of a spacecraft. This time, it’s the recently launched Parker…
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Summer Solstice Facts Of Life

I hate to see spring go. So much comes with the season: the flowers, fireflies, warm weather, the Summer Triangle and Milky Way. New flowers continue to bloom through the season just as new constellations rise in the east, but summer feels like a plateau. We’ve spent months climbing to get here. Now it’s time…
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Jupiter And Sirius Seesaw In Spring

Last night, students in my astronomy class and I watched Sirius, the sky’s brightest star, twinkle low in the southwestern sky at dusk. As the April sun spreads its warmth, winter stars flee to the west. Spring stars and planets pushing up from the east seem eager to replace them. Right now, you can watch…
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OSIRIS-REx Captures Unique View Of Earth, Moon And Pleiades

I do enjoy a big picture perspective. You too? As part of an engineering test, NASA’s OSIRIS-REx spacecraft captured this image of the Earth and Moon using its navigation camera on January 17 from a distance of 39.5 million miles (63.6 million km). When the camera snapped the image, the spacecraft was moving away from…
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Does The Moon Orbit The Earth Or The Sun?

For your viewing pleasure, here’s another look at our planet and satellite from a distant vantage point. The composite image was made by NASA’s OSIRIS-REx’s spacecraft on Oct. 2, 2017 and released this week. The spacecraft was about 3 million miles (5 million km) from Earth at the time and en route to its target, the…
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