Alors que je suis tombé sur une vue fantastique partagée par Stéphane Querry (suivez son blog Survols), regardez ce que les Californiens pouvaient voir dans le ciel. C’était hier, vendredi 22 décembre 2017:

The trails left by SpaceX Falcon 9 launch were so spectacular that the Californian witnesses believed it was a UFO. Beyond these impressive images, a new era has just begun as this lift off has sent 10 telecommunication satellites into space to build up the « orbital real estate » of the Iridium® satellite constellation. Aircraft, ships and land vehicles navigation will never be the same thanks to this network:

Les traînées laissées par le lancement de SpaceX Falcon 9 étaient si spectaculaires que les témoins californiens ont cru qu’il s’agissait d’un OVNI. Au-delà de ces images impressionnantes, c’est une nouvelle ère qui vient de commencer étant donné que ce lancement a envoyé 10 satellites de télécommunication dans l’espace pour construire le « parc orbital » de la constellation Iridium®. La navigation des aéronefs, des bateaux et des véhicules terrestre ne sera plus jamais la même grâce à ce réseau:

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According to the video below, Felix BAUMGARTNER’s top 5 jumps are:

1. Wingsuit Channel Crossing
2. Taipei 101 BASE Jump
3. Petronas Towers BASE Jump
4. Seating of the Spirits Cave Jump
5. Man vs. Plane

In this new record attempt Felix BAUMGARTNER will be so high up – 120,000 ft, or 36.6 km – that if his suit leaks, his blood will boil. When he jumps, he will fall so fast that he will break the sound barrier as explained in this video:

A 3-hour ascent is expected to reach such an altitude, and it could take him more than a quarter of an hour to fall down back to the earth, and land… And now the animation on how it could unfold from the stratosphere right over Roswell, New Mexico, USA: (Click on the link below – MUST SEE!)

http://www.redbullstratos.com/gallery/?mediaId=media1859674064001

GO FELIX!

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Felix Baumgartner, an Austrian skydiver, performed a challenging test jump on Thursday March 15, 2012.

Felix Baumgartner has the right stuff. He is a well known BASE jumper. B.A.S.E. means Buildings; Aerials; Spans (jumps from bridges); and Earth (jumps from cliffs). He performed numerous stunts such as jumping from the Petronas Towers in Kuala Lumpur, the statue of Christ the Redeemer in Rio de Janeiro, World Financial Center T101 in Taipei, and the Millau viaduct.

Yesterday’s jump test is just a stage in his attempt to break a new free-fall record. He jumped above Roswell, New Mexico at an altitude of 71,581 feet ie 21.8 kilometers; 13.6 miles; or Flight Level 716. He should then carry out another jump test before leaping again from a capsule lifted by a helium balloon at around 120,000 ft ie 23 miles or 37 km this year, and could become the first man to break the sound barrier while free falling.

MEDICAL CHALLENGE

This is not a simple leap in the sky. People may not understand how dangerous skydiving at such heights is. The air density is so low that it cannot brake movements as drag becomes poorer up there.

Therefore, a position mistake can make the human body tumble violently or spin very fast. High rotation speeds involve high-G forces due to the centrifugal force, and may lead to G-LOC (G-force induced Loss Of Consciousness), and even to the rupture of blood vessels.

Moreover, if a spacesuit were to leak (due to a dormant seal failure or a cracked/crazed faceplate, for instance), the blood could be boiling (ebullism at 37°C above 63,000 ft or 19 km) because of the very low air pressure, and the body could be swelling, and actually freezing to death as the external temperature can reach down to -70°C, and even lower, not to mention the risk of pulmonary barotrauma.

The current record is held by Joseph Kittinger (a former USAF pilot who is curently advising Felix Baumgartner on his project) who jumped from 102,800 feet in 1960. He temporarily lost the use of his hand which got twice as big as a glove seal was leaking during the final part of the ascent. With this test jump, Felix Baumgartner already belongs to the highest three skydivers along with Joe Kittinger, and Russian Eugene Andreev who performed the longest parachute jump from 83,523 feet (25.5 km).

The following video shows that this feat is not only a matter of pushing limits as researchers are working on this Red Bull Stratos project to prepare flight safety of the future spacecraft:

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The DARPA and USAF FALCON project might give anybody the thrill of speed as this « aerospacecraft » has been designed to reach Mach 20 i.e. around 20,000 km/h; 5.6 km/s; 10,800 knots; or 12,400 mph depending on the air temperature, and the altitude which might be above at least FL900!

Unfortunately, the project seems to encounter major difficulties as the last test which unfolded on August 11, 2011 failed again. The previous one – also on an HTV2 – had failed in April. Click on the right-hand side picture to get further information on the first test. The Blackswift (HTV-3X)  had been designed by ATK; Boeing; Lockheed Martin; and Skunk Works to provided a strategic strike anywhere in the world within an hour. It was cancelled due to a lack of funds (see the HTV-3 shown in the following video):

• DARPA stands for Defense Advanced Research Projects Agency
• FALCON stands for Force Application and Launch from CONtinental United States
• FL stands for Flight Level (FL x 100ft = altitude)
• HTV stands for Hypersonic Test Vehicle or Hypersonic Technology Vehicle
• RCS means here in the videos: Reaction Control System (and not Radar Cross Section)

Click on the picture below, and then on the blue arrows to watch the different phases of light:

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Colonel Gagarin and his instructor Vladimir Seryogin (as Gagarin, director of the Star City, had to obtain his fighter pilot rating again), flew a MiG-15 Midget that day, and they should not have kept the fuel tanks under their jet. As the spin turned into a deadly crash, it has been suggested since 1986 that the afterburner turbulence of a Sukhoi Su-11 Fishpot-C interceptor aircraft could have caused the MiG-15 to go out of control.

The MiG-15 had first been designed to intercept USAF nuclear-capable B-29s.

Some governmental documents were declassified in 2003. They revealed that in addition to the official investigations, the KGB tried to advance a new line of inquiry. Since then, it has been deemed that the accident could not be due to any conspiracy theory. Though little is certain about this mistery, you can click on the frame below to read further information:

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The argument that the moon is a dry, desolate place no longer holds water.

Secrets the moon has been holding, for perhaps billions of years, are now being revealed to the delight of scientists and space enthusiasts alike.

NASA today opened a new chapter in our understanding of the moon. Preliminary data from the Lunar CRater Observation and Sensing Satellite, or LCROSS, indicates that the mission successfully uncovered water during the Oct. 9, 2009 impacts into the permanently shadowed region of Cabeus cater near the moon’s south pole.

The impact created by the LCROSS Centaur upper stage rocket created a two-part plume of material from the bottom of the crater. The first part was a high angle plume of vapor and fine dust and the second a lower angle ejecta curtain of heavier material. This material has not seen sunlight in billions of years.

READ FULL ARTICLE here >>>>>

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