Posted inSci/Tech

'Cotton Candy' planet mysteries unravel in new Hubble observations

December 27, 2019 – When astronomers look around the solar system, they find that planets can be made out of almost anything. Terrestrial planets like Earth, Mars, and Venus have dense iron cores and rocky mantles. The massive outer planets like Jupiter and Saturn are mostly gaseous and liquid. Astronomers can’t peel back their cloud […]

Posted inSci/Tech

What Makes a Good Planet Turn Bad?

July 9, 2019 – What can turn a seemingly perfect ocean-rich planet into an uninhabitable desert wasteland? Two future space explorers (played by Cas Anvar and Cara Gee of “The Expanse”) aim to find out in “The Habitable Zone: Scorched Earth Enigma,” a science-grounded sci-fi video from the NASA’s Universe of Learning project. While the story […]

Posted inSci/Tech

Saturn and Mars Team Up to Make Their Closest Approaches to Earth in 2018

July 26, 2018 – NASA’s Hubble Space Telescope has photographed Saturn and Mars near their closest approaches to Earth in June and July 2018. It’s now summertime in Saturn’s northern hemisphere and springtime in Mars’ southern hemisphere. The Hubble images show that Earth isn’t the only planet where intense spring and summer storms wreak havoc. […]

Posted inSci/Tech

Hubble astronomers develop a new use for a century-old relativity experiment to measure a white dwarf’s mass

This Hubble Space Telescope image shows the binary star system Stein 2051 on October 1, 2013, consisting of the brighter, redder “A” component at lower right and the fainter, bluer “B” component near the center, a white dwarf star. Because these stars are relatively close to Earth, only 18 light-years away, they appear to move […]

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