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Stark Industries

Stark Industries | Stark Industries |
Stark Industries is a weapons and technology company founded and owned by Howard Stark. In... me la pasó flor
Flor Afonzo's comment, October 30, 2013 3:36 PM
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Secret Origin of Iron Man REVEALED - The Watch List 10/23

This week on The Watch List, host Lorraine Cink, take us inside "Now What?!" the epic comedy one-shot that features some of the biggest names in comedy, the ...

Via Troy Mccomas (troy48)
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The U.S. Army Is Building an 'Iron Man' Suit for Soldiers

The U.S. Army Is Building an 'Iron Man' Suit for Soldiers | Stark Industries |
The U.S. Army is taking a page out of a Hollywood script for its latest armor design.

Via Thomas Faltin
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Most extensive planetary system discovered: Similar to our own solar system

Most extensive planetary system discovered: Similar to our own solar system | Stark Industries |

A team of astrophysicists at the German Aerospace Center (Deutsches Zentrum für Luft und- Raumfahrt; DLR), together with German and European colleagues, has discovered the most extensive planetary system to date. Seven planets circle the star KOI-351 – more than in other known planetary systems.


They are arranged in a similar fashion to the eight planets in the Solar System, with small rocky planets close to the parent star and gas giant planets at greater distances. Although the planetary system around KOI-351 is packed together more tightly, it provides an interesting comparison to our cosmic home.


Astrophysicists around the world have been searching for a star system similar to our own for a long time. Now, the team led by Juan Cabrera, an astrophysicist at the DLR Institute of Planetary Research in Berlin-Adlershof has taken a major step in this direction. Three of the seven planets in orbit around the star KOI-351 were discovered in recent years, and have periods of 331, 211 and 60 days, similar to those of Earth, Venus and Mercury.


The planets discovered by Cabrera and his team are even closer to the star and have orbital periods of 7, 9, 92 and 125 days. The outermost planet orbits the star at a distance of about 150 million kilometres, or roughly one Astronomical Unit (AU), so the entire planetary system is compressed into a space corresponding to the distance between Earth and the Sun.


In the article published in the Astrophysical Journal, Juan Cabrera and his colleagues emphasise the similarities between KOI-351 and the Solar System: “No other planetary system shows such a similar ‘architecture’ to that of our cosmic home as does the planetary system around KOI-351,” says Cabrera. “Just as in the Solar System, rocky planets with roughly the size of Earth are found close to the star, while, ‘gas giants’ similar to Jupiter and Saturn are found as you move away from the star.”


“We cannot stress just how important this discovery is. It is a big step in the search for a ‘twin’ to the Solar System, and thus also in finding a second Earth,” said Cabrera. Heike Rauer, head of the Extrasolar Planets and Atmospheres working group at the DLR Institute of Planetary Research and professor at the Centre for Astronomy and Astrophysics at the University of Berlin, adds: “The discovery of this complex planetary system helps us to better understand the processes that give rise to such planetary systems.” Tilman Spohn, Head of the DLR Institute of Planetary Research states that: “DLR is proud to have made a significant contribution to the discovery of new planetary systems.”


The development of a special computer algorithm enabled Juan Cabrera and his team to detect the four new planets around KOI-351. The DLR astrophysicist was able to filter out the light curves that reveal the ‘transit’ of a planet across its parent star from the Kepler measurements. A transit is inferred from the small, periodic dimming of the star’s light as the planet crosses the star’s disc. This technological development is likely to be crucial in the search for similar multiple systems using large data sets from future space telescopes. The discovery was confirmed shortly afterwards by a US group led by Joseph R. Schmitt of Yale University, by visual inspection of the light curves recorded by Kepler.


KOI is the abbreviation for ‘Kepler Object of Interest’, which means the star was observed by NASA’s Kepler space telescope, between 2008 and 2013, and classified as a candidate for the existence of exoplanets. At present, KOI-351 is the star with the most extrasolar planets, or exoplanets for short. The star is 2500 light years away from Earth.


Via Dr. Stefan Gruenwald
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