Users' questions

What is difference between rocket and spacecraft?

What is difference between rocket and spacecraft?

As nouns the difference between spaceship and rocket is that spaceship is a vehicle that flies through space while rocket is a rocket engine or rocket can be the leaf vegetable eruca sativa” or ”eruca vesicaria .

What is the space capsule made of?

Aluminum is very light, and the structure gives the capsule extra strength. The early spacecraft had a coating of glass embedded with synthetic resin and put in very high temperatures. Carbon fiber, reinforced plastics and ceramic are new materials that are constantly being made better for use in space exploration.

Why is SpaceX not a shuttle?

SpaceX developed the astronaut taxi with roughly $3 billion from a NASA program called Commercial Crew. The goal of the program was that private companies would own the spacecraft they build, with NASA being just one customer among many buying seats for astronauts.

What is it called to leave the capsule while in space?

This article is part of the NASA Knows! (Grades K-4) series. Any time an astronaut gets out of a vehicle while in space, it is called a spacewalk. A spacewalk is also called an EVA.

What is the difference between rockets and missiles?

A rocket is a vehicle that uses a rocket engine to propel itself at high speeds. Missiles are typically rockets that are guided and contain explosives of some kind. In the early days of the US space program, engineers used repurposed military missiles to carry space capsules containing astronauts.

Are rocket ships and spaceships the same thing?

As nouns the difference between spaceship and rocketship is that spaceship is a vehicle that flies through space while rocketship is a rocket-powered spacecraft.

How do space capsules float?

Capsules like Apollo and Orion are mainly open space internally (the crew cabin); they have no problem floating by themselves (like a metal-hulled boat would). The conical capsule shape by itself will float in either of two orientations: stable 1 (base down, nose up) and stable 2 (nose down).

How do astronauts survive re-entry?

The heat is so great during re-entry that a special thermal protection system is used to keep the spacecraft intact. On the Shuttle, special silicon tiles are placed on the aluminum skin to insulate the skin. On the leading edge of the wings, carbon-cabon composite material is used to withstand the heat.

Has Elon Musk been space?

No, Musk has not yet gone to space. His Gulfstream G550 private jet is rated for a maximum altitude of 51,000 feet or 15.5 kilometers — far below the 62 miles or 100 kilometers altitude used by many organizations as the boundary to space.

How much cheaper is SpaceX than NASA?

SpaceX now handles about two-thirds of NASA’s launches, including many research payloads, with flights as cheap as $62 million, roughly two-thirds the price of a rocket from United Launch Alliance, a competitor.

What happens if an astronaut gets lost in space?

Despite the risks, no mission has ever lost a space-walking astronaut. NASA requires spacewalking astronauts to use tethers (and sometimes additional anchors). But should those fail, you’d float off according to whatever forces were acting on you when you broke loose. You’d definitely be weightless.

What kind of rocket goes to the Space Station?

A smaller Russian rocket, the Soyuz, takes crews and cargo to and from the station. The crew, usually three people, travels in a small Soyuz capsule launched on a Soyuz rocket. When it arrives at the station, the capsule docks to a port on a Russian-built component.

What happens to a rocket during a launch?

The faster a rocket goes, the more air resistance it encounters. But the higher the rocket goes, the thinner the atmosphere gets. Combined, these two factors mean that the stress on a rocket rises and then falls during a launch, peaking at a pressure known as max q.

What do you need to know about rocket launch pads?

A launch pad is a platform from which a rocket is launched, and they’re found at facilities called launch complexes or spaceports. (Explore a map of the world’s active spaceports.) A typical launch pad consists of a pad and a launch mount, a metal structure that supports the upright rocket before it launches.

Which is the most powerful part of a rocket?

A rocket’s first stage gets the rocket out of the lower atmosphere, sometimes with the help of extra side boosters. Because the first stage must lift the entire rocket, its cargo (or payload), and any unused fuel, it’s the biggest and most powerful section.

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