Detailed image of face on Mars

astronomy, comics, science No Comments »

I was curious…

…and I stumbled upon this image of the face on Mars :

Face on Mars

There’s an even more detailed 2400×2400 pixel image here. There are other pictures of the ‘pyramids’ nearby if you follow the links on the Cydonia wikipedia page.

What’s even cooler is I found the smiley face on Mars, otherwise known as the Galle crater. I just read Chapter IX of Watchmen and thought Alan Moore was having some fun. But the thing actually exists! Here it is on Google Mars.

The size of the Universe – 93 billion light years across

astronomy, science No Comments »

I was curious…

…and I found out the distance to the edge of the observable universe is about 46.5 billion light years!

“What?” you say – “I thought it was 13.7 billion give or take a bit.”

Well actually, that’s the age of the universe, not the size. The light from the furthest things we can see has taken about 13 billion years to reach us – but that light left those objects 13 billion years ago – and in the meantime we’ve moved and those objects have moved.

So, the best estimate at the moment is that the edge of the observable universe is 46.5 billion light years away. Doubling that gives you a diameter of 93 billion light years.

More info available on wikipedia along with other cool info about super-clusters, filaments, voids, the Great Wall and the Great Attractor!


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