Posts tagged with ‘earth

Scientists think they’ve found evidence of Theia, the planet that collided with Earth to create our moon

Among the most likely theories about the formation of the Earth’s moon is that a small-ish Mars sized planet, one of many in the early solar system, crashed into Earth at an angle, and the resulting catastrophic destruction created a disk of dust, rock and other debris around the Earth, which then quickly coalesced into the gray ball we now see in the night sky. This theory had been supported by lunar rock chemistry, but now scientists have gone even further, using lunar samples taken from the Apollo missions and examined them under electron microscopes, and the theory still holds up.

Read the story here

Earth’s upper atmosphere—below freezing, nearly without oxygen, flooded by UV radiation—is no place to live. But last winter, scientists from the Georgia Institute of Technology discovered that billions of bacteria actually thrive up there.
Expecting only a smattering of microorganisms, the researchers flew six miles above Earth’s surface in a NASA jet plane. There, they pumped outside air through a filter to collect particles.
Back on the ground, they tallied the organisms, and the count was staggering: 20 percent of what they had assumed to be just dust or other particles was alive. Earth, it seems, is surrounded by a bubble of bacteria.
Now what? Read the whole story over at PopSci…

Earth’s upper atmosphere—below freezing, nearly without oxygen, flooded by UV radiation—is no place to live. But last winter, scientists from the Georgia Institute of Technology discovered that billions of bacteria actually thrive up there.

Expecting only a smattering of microorganisms, the researchers flew six miles above Earth’s surface in a NASA jet plane. There, they pumped outside air through a filter to collect particles.

Back on the ground, they tallied the organisms, and the count was staggering: 20 percent of what they had assumed to be just dust or other particles was alive. Earth, it seems, is surrounded by a bubble of bacteria.

Now what? Read the whole story over at PopSci

In case you missed it… last Friday, the Grand Canyon filled up with clouds and it was amazing
A rare temperature inversion caused most of the Grand Canyon to fill to the brim with fog last Friday. Slight temperature inversions happen once or twice a year, but one that produces something this spectacular only happens once every few decades.
See more photos here

In case you missed it… last Friday, the Grand Canyon filled up with clouds and it was amazing

A rare temperature inversion caused most of the Grand Canyon to fill to the brim with fog last Friday. Slight temperature inversions happen once or twice a year, but one that produces something this spectacular only happens once every few decades.

See more photos here









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