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Nastavení
NEJSLEDOVANĚJŠÍ
Unbelievable
Beautiful demonstration of the size of universe
6:50
3   100%   0
It hard to imagine that before You will see this!
6 months ago
space
size
comparation
earth
solar system
galaxy
star
Unbelievable
Nice footage of the Earth caught from orbit
5:00
1   100%   0
Footage was made from ISS
2 years ago
earth
space
orbit
iss
northern lights
HighTech
Elon Musk and his plan for a colonization of Mars
4:21
7   88%   1
Elon Musk shared his plans at the International Astronautical Conference in Mexico, with a talk titled "Making Humans a Multiplanetary Species." On-stage, Musk said that there are two paths ahead of humanity: Either stay on Earth and succumb to extinction, or colonize other planets. Mars, he argued, is the best bet for success, considering its proximity to Earth and its similarities to humanity's home planet. Musk has long toyed with the idea of colonizing Mars. Under the banner of SpaceX, he's previously promised to land an unmanned Dragon capsule on the planet by 2018 and send humans by 2024. For the journey, SpaceX has already built and successfully tested the Raptor rocket engine, a methane fuel-powered machine more powerful than any other rocket on Earth (and, we assume, Mars). Raptor rockets generate roughly 680,000 pounds of thrust, more than three times the amount generated by the Falcon 9. Raptor engines will propel the Interplanetary Transport System, a ship capable of transporting 100 tons of cargo -- that's supplies or people -- to Mars. The ITS will require 28,730,000 pounds of thrust at liftoff, suggesting it will take roughly 40 Raptor rocket engines to get off the ground. Once it's refueled in orbit, the ITS will deploy two solar arrays that generate 200 kW of power and it will take off for Mars, humans and all. Musk estimated that, using traditional methods, it would cost $10 billion per person to travel to Mars, and he wants that figure to drop to roughly $200,000 per person. Eventually, the cost of a Mars move will be below $100,000, Musk said. A large part of lowering that cost is creating spaceships with reusable parts, Musk said. The ITS' in-orbit refueling stage is crucial to SpaceX's plans, since it lowers fuel expenditures at liftoff and features fully reusable boosters, tankers and ships. Each booster can be used 1,000 times; each tanker 100 times and each ship 12 times. Initial trips will take about 100 people to Mars at a time, but Musk said he expected that number (and the size of each ship) to rise in due time. The ITS itself will be a welcoming, fun place, as Musk describes it, featuring zero-gravity rooms, movie areas, a cafeteria and other entertainment options. It'll take just a few days of training to prepare for a trip to Mars, Musk said. Once on Mars, humans will be able to produce the ITS' methane-based propellant and send the ships back to Earth for re-use, Musk said. This not only lowers the cost of each trip, but it heads off a potential graveyard of spent ships on Mars. "This is not what it might look like -- this is what we plan to make it look like," Musk said of the ITS explanation video published today. SpaceX plans to launch a future Mars mission from the Kennedy Space Center. Musk revealed a timeline for SpaceX Mars missions that includes ship, booster and orbital testing beginning in 2018, and actual Mars flights by the end of 2022. The company still plans to send Dragon capsules to Mars beginning in 2018, with the goal of launching additional capsules at a regular cadence, like trains leaving a station.
2 years ago
spacex
its
elon musk
space
mars
colonization
traveling
rocket
HighTech
Travel to space caught on GoPro
3:21
1   100%   0
Funny
Another use of virtual reality - Rollercoasters in a different way
3:47
5   71%   2
This virtual reality rollercoaster is in Six Flags Over Georgia, which is located to the west of Atlanta. It's called the New Revolution at Dare Devil Dive and it promises to take you into an alternate universe.
2 years ago
rollercoster
georgia
vr
virtual reality
space
speed
child
HighTech
The Historic Launch And Landing Of Blue Origin
3:13
1   100%   0
Funny
Football in a space station
1:12
0   50%   0
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