NASA has released an image this week to commemorate the Hubble Space Telescope’s 100,000 orbit.
“The image reveals dramatic ridges and valleys of dust, serpent-head ‘pillars of creation,’ and gaseous filaments glowing fiercely under torrential ultraviolet radiation. The region is on the edge of a dark molecular cloud that is an incubator for the birth of new stars. The high-energy radiation blazing out from clusters of hot young stars is sculpting the wall of the nebula by slowly eroding it away. Another young cluster may be hidden beneath a circle of brilliant blue gas. In this approximately 100-light-year-wide fantasy-like landscape, dark towers of dust rise above a glowing wall of gases on the surface of the molecular cloud. The seahorse-shaped pillar at lower, right is approximately 20 light-years long, roughly four times the distance between our sun and the nearest star, Alpha Centauri. The region is in the Large Magellanic Cloud, a satellite of our Milky Way galaxy. It is a fascinating laboratory for observing star-formation regions and their evolution. Dwarf galaxies like the Large Magellanic Cloud are considered to be the primitive building blocks of larger galaxies.”
You might also want to check out the The First Universe of Galaxies Map.
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NASA’s Phoenix Mars Lander discovered that a sample of Martian dirt contained several soluble minerals, including potassium, magnesium and chloride. This means the soil in Mars may have enough nutrients to grow plants. Asparagus would grow happily in it, scientists say.
BBC reports: “We basically have found what appears to be the requirements for nutrients to support life,” said Phoenix’s wet chemistry lab lead, Sam Kounaves of Tufts University. “This is the type of soil you’d probably have in your backyard. You might be able to grow asparagus pretty well, but probably not strawberries.”
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Tagged asparagus, chloride, dirt, galaxy, lander, life, magnesium, mars, minerals, NASA, nutrients, phoenix, planet, plant, potassium, sam kounaves, scientist, soil, solar system, space, strawberry, support, tufts university, universe
There must be something about the stars lately, it seems like everything is revolving around the theme of outer space, galaxies and supernova. This is Linkin Park’s official music video of Leave Out All The Rest. The song is from their 2007 album, Minutes to Midnight. It features the band members as astronauts in a spaceship somewhere near the sun (the music video would have made a great sound track for Sunshine.) The song itself is a bit repetitive but nonetheless it’s not a bad song if you like Linkin Park’s style. They have obviously matured over the years and so did their music. Not sure if it is a good or bad thing.
Here’s also a clip on the making of the video:
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Tagged album, astronauts, band, galaxy, leave out all the rest, linkin park, mature, minutes to midnight, outer space, rock, single, spaceship, sun, sunshine, supernova, video
Another star died in an explosive death. According to CNN; “astronomers used a NASA X-ray satellite to spy on a star already well into its death throes, when another star in the same galaxy started to explode. The outburst was 100 billion times brighter than Earth’s sun.
The death of this star went through stages, with the core getting heavier in successive nuclear reactions and atomic particles being shed out toward the cosmos, Filippenko said. It started out in its normal life with hydrogen being converted to helium, which is what is happening in our sun.
The helium then converts to oxygen and carbon, and into heavier and heavier elements until it turns into iron.
That’s when the star core becomes so heavy it collapses in on itself, and the supernova starts with a shock wave of particles piercing through the shell of the star, which is what the Soderberg team captured on x-rays.”
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Tagged astronomy, cnn, collapse, cosmos, death, die, explode, galaxy, helium, hydorgen, NASA, nuclear, satellite, shell, Soderberg, spy, star, sun, supernova, x-ray
Remember the spacecraft GALEX (which means Galaxy Evolution Explorer) that was sent to space with the mission of observing galaxies in ultraviolet light across 10 billion years of cosmic history through an incorporated telescope on April 28th of 2003? It’s now officially been traveling the space and sending information back to Earth for five years.
“GALEX’s ultraviolet observations are telling the scientists how galaxies, the building block of our Universe, evolve and change. GALEX observations are providing data for NASA’s investigators to find out when and how the stars that we see today were formed and which chemical elements are the galaxies made off.”
Now GALEX has already observed more than 100 million galaxies. The first comprehensive map of the Universe of galaxies is now ready for construction, helping us understand how galaxies like our own Milky Way were formed.
“In effect, GALEX acts like a time machine through which humans see the universe as it was a few billion years after its birth because it observes places so far away that the light reaching GALEX, even traveling at 299.792.458 meters per second is still the same as billions of years before.”
Read the full article
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Tagged amazing, astroids, comprehensive, cosmic, earth, evolution, explorer, galaxy, GALEX, human, images, incorporated, limit, machine, map, milkyway, NASA, observation, pictures, planet, space, stars, telescope, time, ultraviolet, understand, universe
Xcor Aerospace announced plans for a two-seater commercial spacecraft called the Lynx on Wednesday. It was also announced that Lynx could probably take its first test flight by 2010. The spacecraft would allow passengers to take a 25-minute spaceflight. “Our company’s goal has always been to build rocket-powered vehicles that can be flown like regular aircraft,” said company president Jeffrey Greason, who claims that the Lynx is relatively environmentally friendly: “They are fully reusable, burn cleanly, and release fewer particulates than solid-fuel or hybrid rocket motors,” he says.
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Tagged astronauts, commercial, earth, flight, fly, future, galaxy, luxury, people, rich, rocket, space, spacecraft, spaceship, stars, travel, wealthy, Xcor Aerospace