Showing posts with label astronomy. Show all posts
Showing posts with label astronomy. Show all posts

Saturday, January 25, 2014

Are We Living in a Hologram?

If the Tupac hologram at Coachella blew your mind, chew on this: Recent research supports the theory that we may be living inside a hologram. In simplest terms, our reality — the region of the universe we can observe — might just be a 3-D depiction of reality.  (..)
So what does it mean to be in a hologram? Simply put, it means that our known universe — the part we inhabit and can scientifically observe — and a simpler, 2-D region far beyond it depict the same reality. Neither is real; both are representations of reality.
Yes, you could say [we are] an illusion, or an emergent phenomenon.
— THEORETICAL ASTROPHYSICIST JUAN MALDACENA 
Sounds freaky, but that theory is gaining traction after the release of two studies led by Ibaraki University physicist Yoshifumi Hyakutake last November. In one study, he created a computer model of a 10-dimensional universe containing a black hole — a region where gravity prevents anything, even light, from escaping. He then computed the black hole’s internal energy and compared it to that of a one-dimensional, gravityless outer region, described in a separate paper. Sure enough, the calculations matched.


Read more: Are We Living in a Hologram? | Acumen | OZY 

Saturday, July 21, 2012

View from the International Space Station at Night

From Knate Myers: "Every frame in this video is a photograph taken from the International Space Station. All credit goes to the crews on board the ISS.
I removed noise and edited some shots in photoshop. Compiled and arranged in Sony Vegas.
Music by John Murphy - Sunshine (Adagio In D Minor)
itunes.apple.com/us/album/sunshine-music-from-motion/id297702863"



View from the ISS at Night from Knate Myers on Vimeo.

Thursday, January 26, 2012

NASA’s New Satellite Captures Amazing Hi-Res Image of Earth

You’ve seen Earth, but you’ve never seen it like this.
Suomi NPP, NASA’s newest Earth-watching satellite, has taken a high resolution image of Earth, one of the most beautiful such images ever created. It’s available in 8000×8000 pixel resolution, and it takes a while to download, but it’s definitely worth it.
Link

Thursday, March 24, 2011

Wednesday, April 14, 2010

Mindblowing asttronomical relativity

Most of us have an idea of the relative size of the planets and sun, 
but it's rather dazzling to see it presented this way.


(via Guy Kawasaki)

Wednesday, August 08, 2007

Galaxies Clash in Four Way Merger


Four gigantic galaxies have been seen crashing into one another in one of the biggest cosmic collisions ever seen.

The clashing galaxies are expected to eventually merge into a single, behemoth galaxy up to 10 times as massive as our own Milky Way.

Monday, March 12, 2007

Stereo Eclipse



A Lunar Eclipse of the sun...from space. Click on the link for a pic and a movie...

"The images have an alien quality," notes Guhathakurta. "It's not just the strange colors of the sun. Look at the size of the Moon; it's very odd." When we observe a lunar transit from Earth, the Moon appears to be the same size as the sun—a coincidence that produces intoxicatingly beautiful solar eclipses. The silhouette STEREO-B saw, on the other hand, was only a fraction of the sun's diameter. "It's like being in the wrong solar system."

The Moon seems small because of STEREO-B's location. The spacecraft circles the sun in an Earth-like orbit, but it lags behind Earth by one million miles. This means STEREO-B is 4.4 times further from the Moon than we are, and so the Moon looks 4.4 times smaller.
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