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SpaceX showed that it can safely ferry astronauts to and from space. In September, it launches four more – here’s who’s next.

© Jim Bridenstine / NASA Top left: Shannon Walker, Soichi Noguchi, Victor Glover. And Michael Hopkins poses with SpaceX founder Elon Musk and NASA administrator Jim Bridenstine. The crew’s fingers are number one for Crew-1. Jim Bridenstine / NASA The success of SpaceX’s Demo-2 mission prepares the company and NASA for their next crew. That mission, called Crew-1, will ferry …

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Small trees give hope for rainforests

Droughts in the Amazon affect larger trees more severely because they are more likely to die from hydraulic failure. Credit: David Bartholomew Small trees that grow up in drought conditions can form the basis for more drought-resistant rainforests, new research suggests. Severe and prolonged droughts are becoming more common in the Amazon and often kill large trees that form the …

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Quilts with rock waste offer glaciers more protection against climate change than previously known

Rock waste bill on glaciers in the Alaska Range. Credit: Northumbria University, Newcastle A new study that provides a global estimate of rock protection on Earth’s glaciers has revealed that the expansion of rock debris on glaciers, a factor that has been ignored in models of glacier melting and sea level rise, may be significant. The Northumbria University study, published …

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‘Shallow Lightning’ and ‘Mushballs’ Reveal Ammonia for NASA’s Juno Scientists

The spaceship may have found where the colorless gas hid in the solar system’s largest planetary inhabitants. New results from NASA’s Juno mission to Jupiter suggest that our solar system is the largest planet home to what is known as the “shallow lightning.” An unexpected form of electrical discharge, shallow lightning originates from clouds containing an ammonia-water solution, while lightning …

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Differences detected between disks with active and inactive galaxies

A study led by researchers at the Instituto de Astrofísica de Canarias (IAC), which compares the disks of several pairs of spiral galaxies, active and inactive, concludes that in the disks the movements of the previous rotors are of greater importance. This study, just approved for publication in Astronomy & Astrophysics Letters, is the first evidence of large dynamic differences …

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How to see Perseid meteor shower 2020, one of the best of the year

Some Persiders 2019, seen from Macedonia. Spaceweather.com/Stojan Stojanovski It is the beginning of August, and that means that the Perseid meteor shower is active and almost ready to peak. The Perseid dishes are one of the best and brightest lots of shooting stars, and it feels like we could use them now more than ever to add a little wonder …

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