Two avalanche warnings have been issued for parts of Washington and Oregon as heavier-than-usual rainfall and snowfall is expected to hit part of the West Coast through Monday. From a report: One of the warnings, a Level 4 on a scale of 5, said there was a high avalanche danger for parts of North Cascades National Park by the Canadian border,…
Tag: National Park
What is the Milky Way?
When someone says “Milky Way,” do you think of the starry pathway across our sky, or of the great pinwheel-shaped galaxy in space? Both are correct! Source: https://earthsky.org/astronomy-essentials/what-is-the-milky-way-galaxy…
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…
NASA missions help investigate an ‘Old Faithful’ active galaxy
During a typical year, over a million people visit Yellowstone National Park, where the Old Faithful geyser regularly blasts a jet of boiling water high in the air. Now, an international team of astronomers has discovered a cosmic equivalent, a distant galaxy that erupts roughly every 114 days. Source: https://phys.org/news/2021-01-nasa-missions-faithful-galaxy.html…
Dramatic images of erupting Kilauea volcano in Hawaii
Overnight on Sunday, USGS reported lava fountains that shot nearly 165 feet into the sky from a fissure on the eastern side of Kilauea volcano in Hawaii. Lava has replaced the water that was in the basin of the crater, and a new lava lake was formed. Source: https://earthsky.org/earth/dramatic-images-kilauea-volcano-hawaii-eruption-dec-2020…
Personal solstices
Photos from EarthSky community members around the world, showing what the December solstice – bringing winter to half of Earth, and summer to the other half – means to them. Thanks to all of you for sharing these evocative images with us! Source: https://earthsky.org/todays-image/personal-solstices-photos-dec-earthsky-community…
Ancient life signs under dinosaur-killing Chicxulub crater
Researchers have found evidence for an ancient microbial ecosystem in a hydrothermal system beneath Mexico’s Chicxulub Crater, thought to be the site of the impact that killed the dinosaurs 66 million years ago. Source: https://earthsky.org/space/dinosaur-killing-chicxulub-impact-crater-hydrothermal-microbial…
800 years ago, Old Faithful went quiet. Soon, it might happen again.
Old Faithful, the famed geyser in Yellowstone National Park that erupts with captivating regularity, could soon go quiet. Source: https://www.livescience.com/old-faithful-took-a-long-break-800-years-ago-and-drought-might-force-it-to-happen-again.html
Autumn’s false dawn, the zodiacal light
The coming weeks are great for catching the zodiacal light or false dawn from northerly latitudes? Southern Hemisphere? Look for the false dusk. Source: https://earthsky.org/tonight/zodiacal-light-false-dawn-of-autmn…
Inside the secret lives of synchronous fireflies
In the Smoky Mountains, thousands of fireflies flash in unison. Researchers want to know how. Source: https://earthsky.org/earth/inside-secret-lives-synchronous-fireflies-video…