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Now a F*ckin' Space Science Thread

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Re: Now a F*ckin' Space Science Thread

Postby Juan_Bottom on Mon Sep 10, 2012 12:35 am

Image



On Sunday September 9, 2012 (still today for some of you), India’s Polar Satellite Launch Vehicle PSLVC-21 lifted off, carrying two satellites from a launch pad in Sriharikota, southern India. It was the 100th mission for the Indian Space Research Organisation (ISRO). The satellites consist of one French observation satellite and a Japanese microsatellite.

India’s space programme has been active since the 1960’s, launching satellites for India and other nations. The ISRO successfully sent a probe to the moon in 2008; it was the first time a probe had detected evidence of water on the lunar surface. There are plans to send a spacecraft to Mars next year.

http://phys.org/news/2012-09-india-sate ... ssion.html
http://www.isro.org/

Happy 100th to all you Indians who are too poor to have tvs or pcs.
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Re: Now a F*ckin' Space Science Thread

Postby NoSurvivors on Mon Sep 10, 2012 1:04 am

maxfaraday wrote:Any physicist in here?
I have a question.

Why can't I see stars in the "sky" in the video of Armstrong and Buzzdrin on the moon?


M not a physicist but the reason in short is it takes time for a camera to adjust to the darkness. Of you took a photo of the sky all you'd see is black unles you held it at the sky for a certain period of time.
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Re: Now a F*ckin' Space Science Thread

Postby rdsrds2120 on Mon Sep 10, 2012 1:16 am

Peeling a roll of scotch tape in a vacuum produces x-rays: http://en.wikipedia.org/wiki/Scotch_tape#X-rays

BMO
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Re: Now a F*ckin' Space Science Thread

Postby Juan_Bottom on Thu Sep 13, 2012 4:16 pm

Image


The Pencil Nebula is also known as NGC 2736 or Herschel's Ray, after the British astronomer who discovered it in 1835, John Herschel. It is a cloud of glowing gas that is part of a huge ring of wreckage left over after a supernova explosion that took place about 11 000 years ago. The nebula is found in the southern constellation of Vela (The Sails), is about 0.75 light years across and is about 800 light years from Earth. It moves through the interstellar medium around 650,000 kilometres per hour. The brightest part of the nebula resembles a pencil, hence its name; the entire structure in this image more resembles a witch’s broom.

The remnant from the Vela supernova is an expanding shell which originated from the supernova explosion. Initially the shock wave would have been moving at millions of kilometres per hour, but its expansion through space meant it ploughed through the gas between the stars, which slowed it down considerably. The Pencil Nebula is the brightest part of this shell. The luminous appearance of the nebula comes from dense gas regions struck by the supernova shock wave.

The different colours of the nebula allow astronomers to determine the temperature of the gas. Regions which glow blue are so hot that the emission is dominated by ionised oxygen atoms. Cooler regions glow red, due to hydrogen emission.

The image was produced by the Wide Field Imager on the MPG/ESO 2.2-metre telescope at ESO’s La Silla Observatory in Chile.

http://www.sciencedaily.com/releases/20 ... 084801.htm
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Re: Now a F*ckin' Space Science Thread

Postby Juan_Bottom on Thu Sep 13, 2012 4:18 pm

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Re: Now a F*ckin' Space Science Thread

Postby Timminz on Thu Sep 13, 2012 4:26 pm

Juan_Bottom wrote:Image


Elect me president, and your kids will have a chance to live on Mars.



I doubt my kids will still be alive 480 years from now.
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Re: Now a F*ckin' Space Science Thread

Postby Juan_Bottom on Thu Sep 13, 2012 4:31 pm

Everyone says that, but geneticists and other various scientists believe/agree that they are 20 years away from being able to control the aging process. Even being able to reverse the aging process.... Anyone under the age of 60 has a shot at living for forever. True story, google it.
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Re: Now a F*ckin' Space Science Thread

Postby Timminz on Thu Sep 13, 2012 4:53 pm

I've read that the first person to live to 1000 is probably already in their 60's.


Of course, I've also read that each of the last three American presidential elections would bring about the end of days, if the wrong guy won.
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Re: Now a F*ckin' Space Science Thread

Postby Juan_Bottom on Sun Sep 16, 2012 9:51 pm

Image
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Re: Now a F*ckin' Space Science Thread

Postby Juan_Bottom on Tue Sep 18, 2012 12:11 am

Image
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Re: Now a F*ckin' Space Science Thread

Postby Juan_Bottom on Thu Sep 20, 2012 12:18 am

Image


Take a close look at the pixelated red spot on the lower right portion of the image above, as it might be the oldest thing humanity has ever seen. This is a galaxy from the very early days of the Universe, and the light from the primordial galaxy traveled approximately 13.2 billion light-years before reaching the Spitzer and Hubble space telescopes. The telescopes — and the astronomers using them — had a little help from a gravitational lens effect to be able to see such a faint and distant object, which was shining way back when our Universe was just 500 million years old.

“This galaxy is the most distant object we have ever observed with high confidence,” said Wei Zheng, a principal research scientist in the department of physics and astronomy at Johns Hopkins University in Baltimore who is lead author of a new paper appearing in Nature. “Future work involving this galaxy, as well as others like it that we hope to find, will allow us to study the universe’s earliest objects and how the dark ages ended.”

This ancient and distant galaxy comes from an important time in the Universe’s history — one which astronomers know little about – the early part of the epoch of reionization, when the Universe began to move from the so-called cosmic dark ages. During this period, the Universe went from a dark, starless expanse to a recognizable cosmos full of galaxies. The discovery of the faint, small galaxy opens a window onto the deepest, most remote epochs of cosmic history.


http://www.universetoday.com/97456/earl ... z25NY3vkuy

How cool is that?
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Re: Now a F*ckin' Space Science Thread

Postby Juan_Bottom on Thu Sep 20, 2012 12:20 am

This was once the second brightest star in the sky.

Image

In 1843, the southern star Eta Carinae became the second brightest star in the night sky, outshone only by Sirius (which is almost a thousand times closer to Earth). Within 20 years, Eta Carinae had ejected more mass than our Sun. By the 20th century it was invisible to the naked eye, thought it is visible on a dark night. It is a stellar system in the constellation Carina, about 7,500 to 8,000 light-years from the Sun.

Eta carinae is comprised of two stars, the larger of which is a huge and unstable star near the end of its life. What astronomers observed in 1843 seems to have been a stellar ‘near death’ experience, called supernova impostor events by scientists. The outburst from this star seems to have created the Homunculus Nebula, shown here in the composite image from the Hubble Space Telescope taken last decade. In the centre of the image is purple-tinted light which is reflected from the star Eta Carinae itself.

The star has lobes of expanding gas surrounding it; these lobes are laced with filaments of dark dust, jets bisect the lobes that emanate from the central star. Around the lobes is quickly expanding red tinted debris; captured only because it glows in a narrow band of red light. The debris includes streaming whiskers and bow shocks which were caused by collisions with existing material. The star’s high mass and volatility make it likely that it will explode in a spectacular supernova sometime in the next few million years.


http://www.spacetelescope.org/images/potw1208a/
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Re: Now a F*ckin' Space Science Thread

Postby Army of GOD on Thu Sep 20, 2012 12:24 am

Juan_Bottom wrote:Image


Take a close look at the pixelated red spot on the lower right portion of the image above, as it might be the oldest thing humanity has ever seen. This is a galaxy from the very early days of the Universe, and the light from the primordial galaxy traveled approximately 13.2 billion light-years before reaching the Spitzer and Hubble space telescopes. The telescopes — and the astronomers using them — had a little help from a gravitational lens effect to be able to see such a faint and distant object, which was shining way back when our Universe was just 500 million years old.

“This galaxy is the most distant object we have ever observed with high confidence,” said Wei Zheng, a principal research scientist in the department of physics and astronomy at Johns Hopkins University in Baltimore who is lead author of a new paper appearing in Nature. “Future work involving this galaxy, as well as others like it that we hope to find, will allow us to study the universe’s earliest objects and how the dark ages ended.”

This ancient and distant galaxy comes from an important time in the Universe’s history — one which astronomers know little about – the early part of the epoch of reionization, when the Universe began to move from the so-called cosmic dark ages. During this period, the Universe went from a dark, starless expanse to a recognizable cosmos full of galaxies. The discovery of the faint, small galaxy opens a window onto the deepest, most remote epochs of cosmic history.


http://www.universetoday.com/97456/earl ... z25NY3vkuy

How cool is that?


Image
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Re: Now a F*ckin' Space Science Thread

Postby Juan_Bottom on Thu Sep 20, 2012 10:01 pm

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Re: Now a F*ckin' Space Science Thread

Postby Juan_Bottom on Fri Sep 21, 2012 7:43 pm

Image



Image
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Re: Now a F*ckin' Space Science Thread

Postby Juan_Bottom on Wed Sep 26, 2012 7:52 pm

Image

Felix Baumgartner plans to leap from just under 23 miles above the Earth's surface on October 8th, in what will be the world's highest ever skydive. A helium balloon will carry the Austrian to an altitude of 120,000 feet. His jump will break both a 52 year sky-diving record and the sound barrier.

Below Baumgartner can be seen preparing for his previous jump, at 71,500 feet on March 15, 2012.



Naw dude. Naw.
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Re: Now a F*ckin' Space Science Thread

Postby Juan_Bottom on Thu Sep 27, 2012 8:35 pm

Save The Last Great Telescope
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Re: Now a F*ckin' Space Science Thread

Postby Juan_Bottom on Thu Sep 27, 2012 10:44 pm

Image



SN 1006 Supernova Remnant. Credit: NASA, ESA, Zolt Levay (STScI)

Over a thousand years ago, an explosion in faraway space occurred that was so bright that people reported being able to read by its light at midnight. The year was 1006 and the explosion was, scientists believe now, a supernova, or more accurately, a type Ia supernova, the kind that produce the biggest or brightest explosions. But what kind of Ia supernova was it? Astrophysicists believe there are two kinds, those that happen slowly, and those that happen very rapidly. Now new research by a team in Spain suggests it was the latter after scanning the area of sky where the explosion is believed to have occurred and not finding any evidence of a companion star left behind, which would indicate a slow moving event. They have published a paper describing their study in the journal Nature.

Type Ia supernovae come about, scientists believe, when a white dwarf star and a companion, such as a red giant, main-sequence giant, subgiant or even another white dwarf comingle, with the first accreting material from the second until sufficient mass is attainted to set off a thermonuclear explosion. They also believe that the process occurs in two ways, the first is where the two stars are both white dwarves, and they merge creating an explosion so powerful that both are obliterated. The second is where the first pulls material from the second rather slowly, and then explodes, leaving the companion behind.

In this new research the team scanned the area where the supernova, dubbed SN 1006 in honor of the year it was observed, was thought to have occurred, looking for a companion star, which would indicate the explosion (which some believe might be the brightest even seen by human beings) was the slow happening kind. They report that no such companion star exists in the area and thus SN 1006 must have been a rapid variety type Ia supernova.

The new finding would mean that there are now five documented type Ia super novae, with four being the rapid kind and just one the slow, leading the research team to suggest that perhaps only twenty percent of all such explosions are of the slow moving variety, which matters because astrophysicists use such explosions to calculate how fast the universe is expanding, which in turn impacts theories on dark energy, which appears to cause the expansion to speed up.



http://phys.org/news/2012-09-brightest- ... id-ia.html
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Re: Now a F*ckin' Space Science Thread

Postby Juan_Bottom on Fri Sep 28, 2012 8:12 pm

Image

Image

Image

http://rt.com/news/ison-comet-sun-glazer-192/
A comet headed towards the Sun has the potential to be bright enough to be visible in the daytime skies of the northern hemisphere in 2013. The possibility of the stellar display was recently announced by two Russian astronomers.

Officially known as C/2012 S1 (ISON), the comet was discovered by Artyom Novichonok and Vitaly Nevsky. The duo spotted it in images taken last Friday with a reflecting telescope at the International Scientific Optical Network (ISON) in Kislovodsk in southern Russia. The comet is barely distinguishable from stars in the constellation of Cancer right now, but is likely to brighten a lot as it approaches the Sun.

According to a Minor Planet Center report, on November 28, 2013, the comet will be at its perihelion, passing just 1.2 million kilometers from the surface of the Sun. If it survives the trip, the comet would then travel towards Earth. A month later, it will pass by our planet at a distance of about 63 million kilometers and be visible to the naked eye throughout January. According to some estimates, the comet could have a long tail and be brighter than the Moon.

This scenario is far from certain, however. Comets’ behavior is difficult to predict, and C/2012 S1 is just as likely to fizzle out as become a global spectacle. Right now, the comet is near Jupiter, and is expected to rapidly brighten in August next year. Whether it will disintegrate or blaze across the sky remains to be seen.

One point of intense speculation among media and astronomers is the similarity between this new comet and the Great Comet of 1680, an object that left a brilliant streak across the sky during that year. The two comets may be fragments of a single object that broke apart in the distant past.
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Re: Now a F*ckin' Space Science Thread

Postby Juan_Bottom on Sun Sep 30, 2012 11:31 pm

Click image to enlarge.
image


Image

Normally faint and elusive, the Jellyfish Nebula is caught in this alluring, false-color, telescopic view. Flanked by two bright stars, Mu and Eta Geminorum, at the foot of a celestial twin, the Jellyfish Nebula is the brighter arcing ridge of emission with dangling tentacles below and right of center. In fact, the cosmic jellyfish is seen to be part of bubble-shaped supernova remnant IC 443, the expanding debris cloud from a massive star that exploded. Light from the explosion first reached planet Earth over 30,000 years ago. Like its cousin in astrophysical waters the Crab Nebula supernova remnant, IC 443 is known to harbor a neutron star, the remnant of the collapsed stellar core. Emission nebula Sharpless 249 fills the field at the upper left. The Jellyfish Nebula is about 5,000 light-years away. At that distance, this image would be about 300 light-years across. The color scheme used in the narrowband composite was made popular in Hubble Space Telescope images, mapping emission from oxygen, hydrogen, and sulfur atoms to blue, green and red colors.

http://apod.nasa.gov/apod/ap100515.html
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Re: Now a F*ckin' Space Science Thread

Postby Juan_Bottom on Tue Oct 02, 2012 9:14 pm

So big!! You've been warned!

Click image to enlarge.
image


http://www.infographicsonly.com/50-year ... ploration/
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Re: Now a F*ckin' Space Science Thread

Postby Maugena on Tue Oct 02, 2012 9:55 pm

Yay. Danke for ze posts.
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Let's just have a good time, all right?
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Re: Now a F*ckin' Space Science Thread

Postby Haggis_McMutton on Tue Oct 02, 2012 10:29 pm

Anyone post the new hubble extreme deep field? It's my new desktop background.
http://www.nasa.gov/mission_pages/hubble/science/xdf.html

Image

And here's the piece of sky from where it was taken:

Image
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Re: Now a F*ckin' Space Science Thread

Postby Juan_Bottom on Wed Oct 03, 2012 3:21 pm

I posted the enhanced picture, but yeah, it's not very impressive.
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Re: Now a F*ckin' Space Science Thread

Postby Haggis_McMutton on Wed Oct 03, 2012 3:41 pm

Juan_Bottom wrote:I posted the enhanced picture, but yeah, it's not very impressive.


Well, I mean it's not as striking or beautifull as some of the other pictures.
But looking at the big picture and realizing the faintest little dot on it is a galaxy with at least a couple hundred million stars is ... something.
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Assassin Achievement (1) Freestyle Achievement (2) Fog of War Achievement (2) Speed Achievement (1) Cross-Map Achievement (3)
Ratings Achievement (3) Tournament Achievement (3) General Achievement (4)

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