Explore Rosetta Spacecraft, Space Exploration, and more!

A Stunning Look at the Cliffs of Comet 67P/Churyumov-Gerasimenko

APOD: 2014 December 23 - The Cliffs of Comet Churyumov Gerasimenko

Humility: Andromeda’s actual size, not accounting for the fact it is 2.5 BILLION LIGHT YEARS away, compared with the moon's 238,000 MILES away.  It contains a Trillion stars, while our galaxy contains at most a half a billion stars...absolutely amazing

Andromeda’s actual size…

Funny pictures about Andromeda's actual size. Oh, and cool pics about Andromeda's actual size. Also, Andromeda's actual size.

Beyond the Milky Way, there could be as many as 100 to 200 billion galaxies in the observable universe. Here are some of the most fascinating, categorized according to their general type.

How the large hadron collider works: science. How God works: in mysterious ways.

Mercury, Venus, and Saturn align with the Pyramids of Giza for the 1st time in 2,737 years on December 3, 2012.

“Pyramid of Giza (Egypt) - years old. Planetary alignment that will take place Dec 2012 is dead-on alignment with the Pyramids at Giza. Night Sky in Giza, Egypt on December local time … one hour before sunrise compared with the Pyramids at Giza.

How cold is the coldest place in the Universe, that we know of? What's the lowest man-made temperature ever achieved? And just how many zeroes are needed to express 'absolute hot', after which the fundamentals of conventional physics start to break...

How cold is the coldest place in the Universe, that we know of? What's the lowest man-made temperature ever achieved? And just how many zeroes are needed to express 'absolute hot', after which the fundamentals of conventional physics start to break.

HOME OF ALL PHYSICS CHEAT SHEETS: https://www.cfa.harvard.edu/~afriedman/CheatSheetsIndex.html

HOME OF ALL PHYSICS CHEAT SHEETS: https://www.cfa.harvard.edu/~afriedman/CheatSheetsIndex.html

If you want to understand the fabric of the cosmos, you need to understand the language in which it is written - equations.

10 Equations That Changed the World If you want to understand the fabric of the cosmos, you need to understand the language in which it is written - equations.

Infographic on neurotransmitters in the brain. Neuroscience. Brain. Infographics. Science. Neurons.

A great Infographic on neurotransmitters in the brain. Neurotransmitters are so important for brain function and happiness!

spaceship

26 Interesting Random Facts About Life And Universe

How big is the universe?   This infographic, designed by Number Sleuth, visualizes the size of the universe and its contents by allowing you to scroll down from the very largest known objects to the smallest and compare their relative sizes. Each row in the graphic represents a “level” and the blue funnel represents you zooming from one level to the next, going from larger to smaller.

How big is the universe? This infographic, designed by Number Sleuth, visualizes the size of the universe and its contents by allowing you to scroll down from the very largest known objects to the smallest and compare their relative sizes. Each row in t

10 Crazy Space Facts | Astronomy Is Awesome

Our infographic of 10 Crazy Space Facts will make your head spin when you find out what's really out there in space. From drinking pee to space sex, oh my!

The Perseid Meteor Shower is here! Until August 14, the most impressive annual…

The Perseid Meteor Shower is here! Until August the most impressive annual meteor shower is lighting up the sky! But what is a meteor exactly? How does it compare to a comet or an asteroid?

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