Question 3 (0.5 points) What is the name of the first privately owned spacecraft

Question

Question 3 (0.5 points)

What is the name of the first privately owned spacecraft to dock with the International Space Station?

Question 3 options:

a. CST-100

b. DreamChaser

c. Falcon 9

d. Dragon

Question 26 (0.5 points)

Virgin Galactic:

Question 26 options:

a. Is owned by Richard Branson

b. Partnered with Scaled Composites

c. Is offering suborbital spaceflights to tourists for $200,000

d. All of the above

20. Out-gassing refers to:

Question 20 options:

a. Atomic oxygen corroding the surface of the spacecraft

b. Gas particles forming a coat over delicate sensors

c. High speed particles hitting the spacecraft causing damages

d. None of the above

a. CST-100

b. DreamChaser

c. Falcon 9

d. Dragon

Question 26 (0.5 points)

Virgin Galactic:

Question 26 options:

a. Is owned by Richard Branson

b. Partnered with Scaled Composites

c. Is offering suborbital spaceflights to tourists for $200,000

d. All of the above

20. Out-gassing refers to:

Question 20 options:

a. Atomic oxygen corroding the surface of the spacecraft

b. Gas particles forming a coat over delicate sensors

c. High speed particles hitting the spacecraft causing damages

d. None of the above

Explanation / Answer

Question 3: Answer : d) Dragon

Explanation: The Dragon spacecraft, operated by SpaceX, carries cargo to the International Space Station under commercial agreements the company has with NASA. It was the first private spacecraft to berth with the ISS. SpaceX is also developing a human-rated version to eventually bring astronauts to the space station.

Question 26

Answer: d) All of the above

Explanation: Virgin Galactic was founded in 2004 by British entrepreneur Sir Richard Branson. The Spaceship Company (TSC) was founded by Richard Branson through Virgin Group (which owned 70%), and Burt Rutan through Scaled Composites (owned 30%), to build commercial spaceships and launch aircraft for space travel.SpaceShipTwo's planned trajectory would achieve a suborbital journey with a short period of weightlessness. Carried to about 16 kilometres, or 52,000 ft, underneath a carrier aircraft, White Knight II, after separation the vehicle would continue to over 100 km (the Kármán line, a common definition of where "space" begins). The time from liftoff of the White Knight booster carrying SpaceShipTwo until the touchdown of the spacecraft after the suborbital flight would be about 2.5 hours. The suborbital flight itself would be only a small fraction of that time, with weightlessness lasting approximately 6 minutes. Passengers will be able to release themselves from their seats during these 6 minutes and float around the cabin. In addition to the suborbital passenger business, Virgin Galactic will market SpaceShipTwo for suborbital space science missions and market White Knight Two for "small satellite" launch services.

Question 20:

Answer: d) None of the above

Explanation: Outgassing (sometimes called off-gassing, particularly when in reference to indoor air quality) is the release of a gas that was dissolved, trapped, frozen or absorbed in some material. Outgassing can include sublimation and evaporation (which are phase transitions of a substance into a gas), as well as desorption, seepage from cracks or internal volumes, and gaseous products of slow chemical reactions. Boiling is generally thought of as a separate phenomenon from outgassing because it consists of a phase transition of a liquid into a vapour of the same substance.

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