The health impact of wildfire exposure depends in part on the fire itself and how much smoke a person breathes in, how often and for how long. Source: https://earthsky.org/human-world/what-is-in-wildfire-smoke…
Tag: glow
‘Apocalyptic’ skies across U.S. West this week
Video of the weirdly orange skies across the U.S. West this week, created by massive wildfires that incinerated several communities in Oregon in the past 2 days and blotted out the sun in San Francisco yesterday. Source: https://earthsky.org/todays-image/apocalyptic-red-skies-u-s-west-early-sept-2020…
What is a waxing crescent moon?
Many people report seeing earthshine on a waxing crescent moon. That’s when the darkened portion of the crescent glows dimly with light reflected from Earth. Source: https://earthsky.org/moon-phases/waxing-crescent…
Young moon and Spica, west after sunset
We expect many people around the world to catch the whisker-thin waxing crescent after sunset August 20. If you miss the slender young moon at dusk on August 20, give it another try on August 21, 22 and 23. Source: https://earthsky.org/tonight/young-moon-spica-west-after-sunset…
Images show Martian night sky pulsing with ultraviolet light
Vast areas of Mars’ nightside atmosphere glow and pulsate with ultraviolet light, according to images from NASA’s MAVEN spacecraft. Source: https://earthsky.org/space/mars-night-sky-ultraviolet-light-images…
Super-bright fluorescent solids can be 3D printed in any shape
There’s a cheap new way to make fluorescent dyes into solid materials that glow, and it could be used to 3D print objects that guide light into solar cells Source: https://www.newscientist.com/article/2251234-super-bright-fluorescent-solids-can-be-3d-printed-in-any-shape/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=home…
Black holes are hiding movies of the universe in their glowing rings
A faint fuzzy glow around the first black hole image last year baffled astronomers. Now we know what it contains – and it’s more bizarre than we ever imagined Source: https://www.newscientist.com/article/mg24732930-700-black-holes-are-hiding-movies-of-the-universe-in-their-glowing-rings/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=home…
Meet the Scorpion’s Stinger stars, Shaula and Lesath
The constellation Scorpius resembles a scorpion, complete with a curved tail. Two stars close together near the end of the Tail – Shaula and Lesath – represent the Scorpion’s Stinger. They’re easy to spot and fun to get to know! Source: https://earthsky.org/brightest-stars/scorpion-stinger-stars-also-called-cats-eyes…
1st direct image of 2 giant exoplanets orbiting a sunlike star
For the 1st time ever, astronomers have photographed more than one giant exoplanet orbiting a sunlike star. The planetary system is similar to our solar system, but younger. Source: https://earthsky.org/space/1st-photos-gas-giant-exoplanets-tyc-8998-760-1…
Northern Cross: Backbone of Milky Way
On summer evenings, look for this star pattern in the east, sideways to the horizon. Source: https://earthsky.org/favorite-star-patterns/the-northern-cross-backbone-of-the-milky-way…