Auroral tails for Jupiterâs moons
The Juno spacecraft observed footprint tails of aurora on Jupiterâs atmosphere. Three of Jupiterâs closest large moons create these auroral tails.
The post Auroral tails for Jupiterâs moons first appeared on EarthSky.
Deserted Factories Show How China’s Electric Car Boom Went Overboard
Visitors to Byton Ltd.’s website are greeted with color-saturated images of shiny electric cars gliding along manicured streets. Those paying a visit to the automaker’s factory in Nanjing, eastern China may be less impressed. (Pictured: deserted EV factories in Nanjing)…
What are red giants?
What are red giants? Most main-sequence stars, like our sun, will become one. Red giants swell to such a large size they can swallow their inner planets.
The post What are red giants? first appeared on EarthSky.
Dog-bone asteroid Kleopatra makes a fetching portrait
ESO released new images of Kleopatra, the dog-bone asteroid. The images helped astronomers uncover its size and composition, revealing that it’s a rubble pile.
The post Dog-bone asteroid Kleopatra makes a fetching portrait first appeared on EarthSky.
What is gravitational lensing?
What is gravitational lensing? When a massive object bends space, light traveling through the warped space results in rings, arcs or many points of light.
The post What is gravitational lensing? first appeared on EarthSky.
Earthâs northernmost island, found by accident
An Arctic expedition has discovered Earth’s northernmost island in July. It lies north of the former title-holder, Oodaaq, off northern Greenland.
The post Earthâs northernmost island, found by accident first appeared on EarthSky.
The Greatest Scientific Fraud Of All Time — Part 28
What I refer to as the “Greatest Scientific Fraud Of All Time” is the systematic alteration of historical world temperatures to make it appear, falsely, that the most recent months and years are the “warmest ever.” The basic technique of…
A Dyson sphere harvests the energy of stars
Dyson spheres are named after inventor Freeman J. Dyson. A Dyson sphere is a megastructures that civilizations could use to harness the power of stars.
The post A Dyson sphere harvests the energy of stars first appeared on EarthSky.
The Only Way to Stop Global Warming – Modern Diplomacy
One way exists to stop global warming, but the mutual feedback cycles that are now accelerating global warming might already have achieved enough speed of increasing temperature so as to prevent even that one way from working, and therefore the…
1st moon-forming disk around an exoplanet
Astronomers have found solid evidence for a moon-forming disk around a distant exoplanet. It provides new clues as to how moons and planets form.
The post 1st moon-forming disk around an exoplanet first appeared on EarthSky.
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