Browsing Tag
Earth
23 posts
Earth Extinction Sized Comets
NASA has a catalog of many large comets and some of them are nearly as large or larger than the Chicxulub impactor (Dinosaur killer). Comet 109P/Swift-Tuttle takes 133 years to orbit the Sun once. Swift-Tuttle last reached perihelion (closest approach to the Sun) in 1992 and will return again in 2125. Swift-Tuttle is a large
Earth is a geological weirdo in our solar system. This is why.
Published October 12, 202310 min readScientists recently discovered something surprising on the far side of the moon: a hot spot in a collapsed, long-extinct volcanic caldera. It was being warmed by radioactive elements in the granite that formed in the solidified magma chamber below.The surprise wasn’t the granite’s radioactivity—ordinary countertop granite on Earth is a
How life on Earth adapts to you and me | Shane Campbell-Staton
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Hot Earth or Young Venus: Nearby Super-Earth May Reveal Secrets about Edge of Habitability
Venus and Earth provide astonishingly different views of the evolution of a rocky planet, raising the question of why these two rocky worlds evolved so differently. The recently discovered transiting super-Earth LP 890-9c is a key to the question. This exoplanet circles the nearby red dwarf star LP 890-9 in 8.46 days and receives a
10 Things You Can Do to Help Save Earth
We have no planet B. This composite image of Earth was captured by six orbits of the NASA/NOAA Suomi National Polar-orbiting Partnership spacecraft on April 9, 2015, by the Visible Infrared Imaging Radiometer Suite (VIIRS) instrument. NASA The United Nations suggests that climate change is not just the defining issue of our time, but we
NASA Earth science hosted payload set for launch on Intelsat satellite
WASHINGTON — The upcoming launch of a NASA Earth science instrument on a commercial communications satellite illustrates the promise of, but also the problems with, hosted payloads. A SpaceX Falcon 9 is scheduled to lift off at 12:30 a.m. Eastern April 7 from Cape Canaveral, Florida, placing the Intelsat 40e satellite into a geostationary transfer
On this World Health Day, WHO/Europe calls on everyone to come together and recognize the importance of our planet, for the sake of our health and that of the generations to come.More than 13 million deaths around the world, including 1.4 million in Europe each year, are caused by avoidable environmental factors, WHO estimates. This…
Earth Is On Fire
Welcome to the DeeperBlue.com Photo Of The Week. This week’s photo is: Every week we bring you some of the best underwater photography we’ve seen from both amateurs and professionals alike. You can get your photos featured by tagging us on social media (Instagram, Facebook, or Twitter) as well as using the hashtag #DeeperBluePhoto. Finally,…
Meteorites that form the earth may have formed in the outer solar system
Our solar system is believed to formed about 4.5 billion years ago from a dense cloud of interstellar gas and dust. The cloud, which orbited the center of our galaxy, mainly was hydrogen with some helium and traces of heavier elements forged by prior stars. Our solar system inherited its chemical composition from an ancient…
Exploring Earth From Space: Washington State – Through the Lens of Brand New Landsat 9
This false-color image, captured on February 12, 2022, by Landsat 9, has been processed using the satellite’s near-infrared channel. This channel is frequently used to highlight vegetation, which is particularly evident in the lower half of the image. Fields that are currently cultivated can be seen in bright red, while unvegetated areas appear in green…