Scientists examined rock cores taken from the Chicxulub crater in Mexico, site of the asteroid impact that triggered dinosaur extinction, and found iridium, a telltale sign of asteroids. Source: https://earthsky.org/earth/asteroid-dust-iridium-chicxulub-crater-dinosaur-extinction…
Tag: life on earth
NASA selects 16 futuristic space technology concepts
NASA has selected 16 cool new futuristic space technology concepts for further study. Four of them are from NASA’s own Jet Propulsion Laboratory (JPL), including a railway system on the moon to move cargo. Source: https://earthsky.org/space/futuristic-space-technology-concepts-nasa-jpl-niac…
Most life on Earth will be killed by lack of oxygen in a billion years
One billion years from now, Earth’s atmosphere is projected to contain a million times less oxygen than today, making it uninhabitable to complex aerobic life Source: https://www.newscientist.com/article/2269567-most-life-on-earth-will-be-killed-by-lack-of-oxygen-in-a-billion-years/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=home…
When will Betelgeuse explode?
The red supergiant star will explode in a supernova, close enough to shine brightly during the day but far enough away that Earth won’t be in danger. Source: https://earthsky.org/brightest-stars/betelgeuse-will-explode-someday…
How many people are in the world?
The global population is an estimate of the number of people on the planet, and currently sits at about 7.8 billion people. Here’s how that number is calculated and what it tells us about life on Earth. Source: https://www.livescience.com/global-population.html
Update on the 7 Earth-sized planets orbiting nearby TRAPPIST-1
A new study of the seven Earth-sized exoplanets around TRAPPIST-1 indicate that all 7 planets are extremely similar to each other in makeup, but potentially quite different from Earth. Source: https://earthsky.org/space/7-trappist-1-planets-similar-composition-unlike-earth…
Capella Space Defends High-Resolution Satellite Photos Described as ‘Eerily Observant’
“A new satellite from Capella Space was described as “pretty creepy” by Bustle’s technology site Input: Like other hunks of metal currently orbiting Earth, the Capella-2 satellite’s onboard radar system makes it capable of producing ludicrously high-resolution visuals from its data. More unconventional is the service Capella has launched to match: the government or private customers can, at any time, request…
Man-made materials outweigh all life on Earth
According to new research, man-made materials now weigh more than the entirety of our planet’s biomass. Over the last few centuries our species has pr… Source: https://www.unexplained-mysteries.com/news/341677/man-made-materials-outweigh-all-life-on-earth…
Using Earth’s history to inform the search for life on exoplanets
UC Riverside is leading one of the NASA Astrobiology Program’s eight new research teams tackling questions about the evolution and origins of life on Earth and the possibility of life beyond our solar system. Source: https://phys.org/news/2020-12-earth-history-life-exoplanets.html…
Japan’s capsule with asteroid samples retrieved in Australia
A Japanese capsule carrying the world’s first asteroid subsurface samples shot across the night atmosphere early Sunday before landing in the remote Australian Outback, completing a mission to provide clues to the origin of the solar system and life on Earth. Source: https://phys.org/news/2020-12-japan-capsule-asteroid-samples-australia.html…