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Safe space: the cosmic importance of planetary quarantine 0
- From Around the Web, Space
- July 14, 2021
As the pace and ambition of space exploration accelerates, preventing Earth-born organisms from hitching a ride has become more urgent than ever

By David Aragorn
Astronomers Detect Unusual Amount of Methanol in Comet 46P/Wirtanen 0
- From Around the Web, Space
- July 13, 2021
Using the Near-Infrared Spectrograph (NIRSPEC) instrument at the Keck II telescope, astronomers conducted near-infrared spectroscopic observations of the hyperactive Jupiter-family comet 46P/Wirtanen during its long-anticipated close flyby to Earth in December 2018.

By David Aragorn
Number of City-Sized Asteroids That Smashed Into Ancient Earth Underestimated: Study 0
- Ancient Archeology, From Around the Web, Space
- July 12, 2021
Scientists may have significantly underestimated how often the early Earth was struck by asteroids, new research suggests.

By David Aragorn
Mars helicopter Ingenuity spotted a ‘heart’ in Perseverance rover’s tracks on 9th flight 0
- From Around the Web, Space
- July 9, 2021
Is there something going on between Perseverance and the Mars helicopter Ingenuity?

By David Aragorn
Mystery Behind Jupiter’s Spectacular X-ray Auroras Has Been Solved 0
- From Around the Web, Space
- July 9, 2021
Four decades since their discovery we finally understand what’s powering the spectacular X-ray auroras of Jupiter. These light shows are bright, brief, and happen regularly every few minutes. And yet, they release hundreds of gigawatts of power, enough to power our whole civilization for a few instants.

By David Aragorn
Scientists Accidentally Discover Huge Galactic Structure in Space 0
- From Around the Web, Space
- July 9, 2021
Astronomers have accidentally discovered a huge and previously undetected galactic structure that could change the way we think about how stars are made.

By David Aragorn
Humans will find intelligent life in the universe, NASA head says after UFO report 0
- From Around the Web, Space, UFO News
- July 9, 2021
Humans are likely to find intelligent life in the universe, the administrator of the National Aeronautics and Space Administration (NASA) said after the Pentagon declassified a UFO report.

By David Aragorn
Mars helicopter begins to scout for Perseverance rover with longest flight 0
- From Around the Web, Space
- July 9, 2021
NASA’s Mars helicopter Ingenuity has begun to scout missions for the Perseverance rover, completing its ninth and most challenging flight yet.

By David Aragorn
Souped-up supernovas may produce much of the universe’s heavy elements 0
- From Around the Web, Space
- July 8, 2021
Analysis of a rare, ancient star suggests a new birthplace for elements like uranium and silver

By David Aragorn
Chinese researchers propose deflecting ‘Armageddon’ asteroids with rockets 0
- From Around the Web, Space
- July 8, 2021
Chinese researchers want to send more than 20 of China’s largest rockets to practice turning away a sizable asteroid – a technique that may eventually be crucial if a killer rock is on a collision course with Earth.

By David Aragorn