Today’s photo is of Argentina. A tongue of mud lashing in the river’s mouth.
El Río de la Plata saliendo marrón hacia el mar Argentino
An interesting model of our solar system’s path as it travels through space in the Milky Way.
Certainly a departure from usual models that show the Sun as a static object, which it certainly isn’t
I had no idea this was happening. Where are we going?
To fuck some shit up
Around the center of the Milky Way, which is heading towards the Andromeda Galaxy. And our whole Local Group is moving towards the Virgo Cluster.
But we’ll never actually reach the Virgo Cluster because space is expanding between us and them faster than we’re moving towards it.
Motherfucking science.
SCIENCE BONER. RIGHT NOW.
CASUAL REMINDER THAT YOU AND EVERYTHING ELSE IN THE UNIVERSE IS ACTUALLY FLYING AROUND SPACE AT BATSHIT-CRAZY SPEEDS IT’S ONLY BY A FUCKING MIRACLE CALLED GRAVITY WE HAVEN’T RAMMED SQUARE INTO SOMETHING ELSE YET
(Fuente: buhrodrigues)
(Fuente: bongbingbeng)
(Fuente: blackliizard)
Earth’s Rotating Inner Core Shifts Its Speed
Earth’s solid-metal inner core is a key component of the planet, helping to give rise to the magnetic field that protects us from harmful space radiation, but its remoteness from the planet’s surface means that there is much we don’t know about what goes on down there. But some secrets of the inner core are being revealed by acoustic waves passing through the planet’s heart and iron squeezed to enormous pressures in the lab.
Two new studies, both detailed online May 12 in the journal Nature Geoscience, reveal that Earth’s inner core may actually be softer than previously thought, and that the speed at which it spins can fluctuate over time.
Under the liquid-metal outer layer of the Earth’s core is a solid ball of superhot iron and nickel alloy about 760 miles (1,220 kilometers) in diameter. Scientists recently discovered the inner core is, at 10,800 degrees Fahrenheit (6,000 degrees Celsius), as hot as the surface of the sun.
Churning in the liquid outer core results in the dynamo that generates Earth’s magnetic field. Geoscientists think interactions between the inner and outer cores may help explain the nature of the planet’s dynamo, the details of which remain largely unknown.
“The Earth’s inner core is the most remote part of our planet, and so there is a lot we don’t know about it because we can’t go down and collect samples,” said Arianna Gleason, a geoscientist at Stanford University in California.
