Nasa SpaceX launch: 10 questions concerning the mission


SpaceX Crew DragonPicture copyright
SpaceX

Picture caption

Crew Dragon will turn out to be the primary industrial spacecraft to hold people to the house station

Elon Musk’s firm SpaceX is about to launch its house automobile – the Crew Dragon – with astronauts onboard for the primary time. Right here, we reply some frequent questions concerning the mission.

Why is a personal firm launching Nasa astronauts?

Nasa has been planning handy over the transport of crew to the Worldwide Area Station (ISS) because the early 2000s. After the Columbia house shuttle broke up throughout its return to Earth in 2003, the house company centered on growing a substitute spaceship that would journey to the Moon. Involving personal corporations within the switch of crew and cargo to the ISS was a essential step to afford that programme. In 2014, entrepreneur Elon Musk’s firm SpaceX and aerospace large Boeing had been introduced as winners of a Nasa contract for crew transport providers. SpaceX is launching its spacecraft first; the Crew Dragon spacecraft will raise off on Wednesday atop a Falcon 9 rocket from Florida’s Kennedy Area Heart.

What’s SpaceX?

SpaceX is an American firm that gives industrial and authorities launch providers on its Falcon 9 and Falcon Heavy rockets. Entrepreneur Elon Musk based the corporate in 2002, with the aim of lowering house transportation prices, enabling the colonisation of Mars. SpaceX was the primary personal firm to routinely return rocket phases to Earth below propulsive energy so that they might be re-flown moderately than being discarded. It has been conducting common flights of cargo to the ISS, and can now goal to start launching astronauts. Musk’s firm can be growing an even bigger spacecraft to hold people – referred to as Starship – which may start the method of settling Mars.

Who’s Elon Musk?

Born in South Africa, Elon Musk made greater than $160m from the sale of on-line fee service PayPal to eBay. His want to see humanity turn out to be a real space-faring civilisation was a driving issue behind the founding of SpaceX. However he has additionally been concerned in founding quite a lot of different firms similar to the electrical automobile producer Tesla. He additionally conceived a venture referred to as Hyperloop, a high-speed transportation system utilizing pods that journey by way of a system of tubes. His vibrant character and life-style made him the inspiration for Robert Downey Jr’s interpretation of Marvel Comics character Tony Stark. Musk is not any stranger to controversy: his tweets have triggered lawsuits and led to him being compelled out because the chairman of Tesla (although he remained as CEO).

Media playback is unsupported in your gadget

Media captionMeet the person who impressed Robert Downey Jr’s tackle Iron Man

Why is the launch so necessary?

Because the retirement of the house shuttle in 2011, Nasa has been paying Russia tens of hundreds of thousands of {dollars} to launch its astronauts on the Soyuz spacecraft. The Crew Dragon launch from Florida marks the primary launch of people from US soil in 9 years. As such, it’s seen as essential for restoring American status in human spaceflight. This can even be the primary time a personal firm has launched astronauts into orbit.

What’s the Crew Dragon?

The Crew Dragon is the spacecraft that can transport astronauts to the ISS on Wednesday. It’s a modern evolution of the Dragon spacecraft which was constructed to ferry cargo to the orbiting outpost. The Crew Dragon is designed to hold a most of seven passengers, however Nasa flights will carry 4, with the remainder of the house taken up by provides. It’s outfitted with thrusters that allow it to manoeuvre in house and can dock – or connect – to the house station below autonomous management. In contrast to earlier spacecraft designed for people, the crew cabin options touchscreen controls instead of bodily buttons.

Picture copyright
NASA

Picture caption

Final yr, a Crew Dragon visited the ISS and not using a crew

Who’re the astronauts flying to house?

Bob Behnken and Doug Hurley are Nasa astronauts. They had been chosen in 2000 and have every flown to house twice on the house shuttle. They’re among the many most skilled members of Nasa’s astronaut corps and each educated as check pilots – which has been crucial for placing the brand new spacecraft by way of its paces. Hurley has spent a complete of 28 days and 11 hours in house, whereas Behnken has collected a complete of 29 days and 12 hours, together with 37 hours of spacewalking time. Each males are additionally married to astronauts.

Picture copyright
Reuters

Picture caption

Bob Behnken (L) and Doug Hurley arrived in Florida on 20 Might to organize for launch

What are the astronauts there to do?

Spacecraft designed to hold astronauts should undergo a course of that ensures they’ll function safely. This launch is basically the ultimate step in that validation course of. As soon as in orbit, Behnken and Hurley will check the Crew Dragon’s environmental management system, the shows and controls and the manoeuvring thrusters. They may monitor the autonomous docking system throughout the method to the house station and can turn out to be members of the ISS crew. On the orbiting outpost, they’ll proceed performing assessments on the Crew Dragon together with different duties associated to the house station. When it is time to return to Earth, the Crew Dragon will parachute down into the Atlantic Ocean. The capsule and crew will then be recovered by a ship referred to as Go Navigator.

What if one thing goes mistaken throughout the launch?

The Crew Dragon has a built-in abort system, designed to save lots of the lives of its crew within the occasion of an emergency. If there’s an issue throughout lift-off, similar to a rocket engine cut-off, the Crew Dragon will hearth engines to propel the automobile and its occupants freed from the rocket. The capsule will then parachute all the way down to security. SpaceX efficiently performed a check of its in-flight abort system on 19 January 2020.

What about these spacesuits?

The flight fits that Behnken and Hurley will put on within the capsule look very totally different to earlier designs. In stark distinction to the cumbersome pumpkin-coloured fits and spherical helmets acquainted from the house shuttle period, SpaceX’s fits are slimline, white, one-piece numbers with modern, 3D-printed helmets. Each is customized made for the astronaut. If it appears like one thing from a science fiction movie, that is in all probability as a result of their look was devised by Hollywood costume designer Jose Fernandez, who has labored on the Batman, X-Males and Thor films. However the fits additionally should be sensible; they’re designed to maintain the crew alive within the occasion of a cabin depressurisation – the place the air is misplaced from the within of the spacecraft.

Picture copyright
NASA

Picture caption

The flight fits are futuristic, but additionally should be sensible

What occurs subsequent?

If the Crew Dragon Demo-2 mission is profitable, SpaceX will proceed with the six “operational” missions to the ISS they’re required to fly below their $2.6bn contract with Nasa. Boeing holds an analogous deal, price $4.2bn, to move crew to the house station utilizing its CST-100 Starliner automobile.

Comply with Paul on Twitter.





Source link