One of the hardest things for people to understand about the universe is just
how big it is. There are three approaches typically used in describing its size. The first, the song, was pioneered by
Monty Python (NSFWish, wireframe of naked woman) and then done just as masterfully by
the Animaniacs. The second, the zoom method has been featured
twice before here on the blue. The third method is the
comparison method (skip to 1:30, unless you like looking at a image of the solar system with terrible distorted orbits), yielding some truly
beautiful videos (this one found via the fantastic
Bad Astronomy blog). These videos go, at most, as far as looking at the local cluster or the Virgo Supercluster. There are two videos that attempt to show the size of the entire universe,
one unsuccessfully (although with great music) and
one successfully. (Warning, all links except the first one, are to YT videos).
[more inside]
posted by Hactar
on Jul 1, 2009 -
74 comments
"
The arc of the Milky Way seen from a truly dark location is part of our planet's natural heritage," said Connie Walker, and astronomer from the U.S. National Optical Astronomy Observatory in Tucson, Arizona. Yet "more than one fifth of the world population, two thirds of the U.S. population and
one half of the European Union population have already lost naked eye visibility of the
Milky Way." In these areas, people are effectively living in
perennial moonlight. They rarely realize it because they still experience the sky to be brighter under a full moon than under new moon conditions. "
Reducing the number of lights on at night could help conserve energy, protect wildlife and benefit human health," astronomer Malcolm Smith of the Cerro Tololo Inter-American Observatory in Chile. One study found an increased risk of breast cancer for women living in areas with the most light pollution (
abstract). Some communities are
embracing their dark skies, such as
the New Zealand community of Tekapo, possibly home to first "
Starlight Reserve," waiting on UNESCO's official approval. Not sure where to look
in the vast night sky?
Follow some guidelines, or
check the view in Chile,
Queensland, Australia, or
Texas.
posted by filthy light thief
on Jun 13, 2009 -
74 comments
The Millennial Project is a comprehensive plan for space development, beginning with the terrestrial cultivation of an environmentally sustainable civilization and Post-Industrial culture and culminating, far in the future, in the colonization of our immediate stellar neighborhood. The TMP2 project is specifically a project of the Living Universe Foundation community to continually update and revise the content of the original plan as described by Marshal T. Savage in his book The Millennial Project. [more inside]
posted by Joe Beese
on Jun 12, 2009 -
8 comments
In
Starcom, a space-based action adventure game, you pilot a starship defending the galaxy from an encroaching enemy invasion with an increasingly powerful array of armaments and technologies. It's a hell of a lot of fun, so play and enjoy!
[via mefi projects]
posted by Effigy2000
on Jun 11, 2009 -
36 comments
Lost in Space: What really happened to Russia's missing cosmonauts? An incredible tale of space hacking, espionage and death in the lonely reaches of space. "There are those who believe that somewhere in the vast blackness of space, about nine billion miles from the Sun, the first human is about to cross the boundary of our Solar System into interstellar space. His body, perfectly preserved, is frozen at –270 degrees C (–454ºF); his tiny capsule has been silently sailing away from the Earth at 18,000 mph (29,000km/h) for the last 45 years. He is the original lost cosmonaut, whose rocket went up and, instead of coming back down, just kept on going."
[Via]
posted by homunculus
on Apr 30, 2009 -
83 comments
Space-based Solar Power beamed down to earth sounds pretty far out, but the technology is further along than many suppose, the sun never sets in space, and space is a Saudi Arabia of unlimited energy for the nation with the technology to harness it. PG&E (California) in conjunction with
SolarEn has
announced a 200MW space solar project to be up by 2016.
posted by stbalbach
on Apr 20, 2009 -
87 comments
"I said to myself, 'we are going to die.'" Space Shuttle commander Hoot Gibson on his reaction as he saw pictures from the Shuttle's robot arm of gouged and missing tiles along its underbelly. Shades of
Columbia - but this was mission
STS-27, over fourteen years earlier. Yet mission control discounted the reports from orbit, perhaps misled by the poor quality of the downlinked images that resulted from encryption demanded by the mission's secretive military profile. In the end,
Atlantis made it back, but with
visible damage along her right flank. But like most classified DoD missions of the time, little was reported, and NASA was arguably wary of drawing attention to the near-loss of only the second flight since the
Challenger disaster. But if this near-miss had been better known, might NASA have been more concerned about
indications of debris damage during the launch of STS-107?
posted by Major Clanger
on Mar 28, 2009 -
28 comments
Are plasma crystals alive? Cosmic dust can, in the presence of plasma, creates formations known as plasma crystals. An international team of researchers published a study in the Aug.14, 2007, issue of the New Journal of Physics (PDF here, abstract here) that indicates that these crystals may be more sophisticated than anyone realized. In simulations involving cosmic dust, the researchers witnessed the formation of plasma crystals displaying some of the elementary characteristics of life -- DNA-like structure, autonomous behavior, reproduction and evolution. [more inside]
posted by KokuRyu
on Mar 26, 2009 -
48 comments
Once dubbed the Picture of the Century, the first
Earthrise, photographed in 1966 by NASA's Lunar Orbiter 1, presented "a stunning juxtaposition of planet and moon that no earthling had ever seen before." After initially inspiring awe, the original image was almost destroyed. In the mad rush of the space race, the pictures and data from early missions were warehoused and forgotten. Many at NASA believed that the original high-resolution images, stored on fragile tapes that could only be read by obsolete equipment, would be nearly impossible to retrieve, but
one woman was determined to see them restored.
Via.
posted by amyms
on Mar 26, 2009 -
37 comments
Sick of worrying about the global financial crisis? Got global warming fatigue? Here's a whole new threat to worry about:
NASA is warning that the world is ill-prepared for a
Carrington event that wil melt electricity grids world-wide with 90 seconds notice.
If it's any consolation, it's going to
look real pretty
posted by girlgenius
on Mar 25, 2009 -
60 comments
Tonight NASA is scheduled to launch the
Kepler Mission (named after planetary legislator
Johannes Kepler) with the goal of finding Earth size planets in orbit around stars in the
Cygnus-Lyra region of the sky. Over the next 3 and a half years it will maintain a nearly unblinking gaze on the approximately 100 thousand stars in the region. NASA expects it to find about
50 Earth size planets, as well as hundreds that are larger. You can watch the launch live on
NASA TV.
[more inside]
posted by borkencode
on Mar 6, 2009 -
42 comments
Friday Flash Fun:
Evacuation is a puzzle game about explosive decompression. Save the crew! Eject the aliens into space by opening the spaceship's doors! The catch: doors of the same color all open together.
[more inside]
posted by Rinku
on Jan 9, 2009 -
17 comments
A perfect space storm, which happens about every century, like the one that occurred in
1859, could cause "catastrophic social and economic disruptions", according to
a new study by the National Academy of Sciences on behalf of NASA. "Potable water distribution affected within several hours; perishable foods and medications lost in 12-24 hours; immediate or eventual loss of heating/air conditioning, sewage disposal, phone service, transportation, fuel resupply and so on," the report states. Outages could take months to fix, the researchers say. Banks might close, and trade with other countries might halt. The next peak in solar activity is expected around 2012.
posted by stbalbach
on Jan 7, 2009 -
61 comments
