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 E-Mail IMAGE: Remnants of planetary crust disintegrating under the tidal forces around a cool white dwarf. Material in the disc becomes vapourised close to the central star and flows onto the white... view more  Credit: University of Warwick/Mark Garlick Observations of lithium and potassium around white dwarf stars point to remains of rocky planet crusts Analysis by astronomers led by University of Warwick shows chemical composition of crusts is very similar to Earth's continental crust The outer layers of the white dwarfs contain up to 300,000 gigatonnes of rocky debris, which in...

 E-Mail IMAGE: This illustration imagines what the distant object nicknamed "Farfarout " might look like in the outer reaches of our Solar System. The most distant object yet discovered in our Solar System,... view more  Credit: NOIRLab/NSF/AURA/J. da Silva With the help of the international Gemini Observatory, a Program of NSF's NOIRLab, and other ground-based telescopes, astronomers have confirmed that a faint object discovered in 2018 and nicknamed "Farfarout" is indeed the most distant object yet found in our Solar System. The object has just received its designation from the I...

 E-Mail IMAGE: This artist's impression shows the planet orbiting the Sun-like star HD 85512 in the southern constellation of Vela (The Sail). This planet is one of 16 super-Earths discovered by the... view more  Credit: ESO/M. Kornmesser Mini-Neptunes and super-Earths up to four times the size of our own are the most common exoplanets orbiting stars beyond our solar system. Until now, super-Earths were thought to be the rocky cores of mini-Neptunes whose gassy atmospheres were blown away. In a new study published in The Astrophysical Journal, astronomers from McGill University show ...

 E-Mail IMAGE: Flensburg meteorite with black fusion crust: Parts of the fusion crust were lost during the flight through the atmosphere. The small fragment, weighing 24,5 grams, is about 4.5 billion years... view more  Credit: A. Bischoff / M. Patzek, University of Münster A meteorite that fell in northern Germany in 2019 contains carbonates which are among the oldest in the solar system; it also evidences the earliest presence of liquid water on a minor planet. The high-resolution Ion Probe - a research instrument at the Institute of Earth Sciences at Heidelberg University - prov...

 E-Mail IMAGE: A river-fed sedimentary plain in Iceland bears resemblance to what might have fed Mars' Gale Crater more than 3 billion years ago. Researchers at Rice University studied rover data on... view more  Credit: Photo by Michael Thorpe HOUSTON - (Jan. 20, 2021) - Once upon a time, seasons in Gale Crater probably felt something like those in Iceland. But nobody was there to bundle up more than 3 billion years ago. The ancient Martian crater is the focus of a study by Rice University scientists comparing data from the Curiosity rover to places on Earth where similar geologic...