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A spacecraft can slow down in space by engaging its thrusters or engines in the opposite direction of its current velocity. This creates a force in the opposite direction, known as retrograde thrust, which reduces the spacecraft's speed. Another method is to use aerobraking, where the spacecraft dips into a planet's atmosphere to create drag and slow down. Finally, a spacecraft can also use gravity assists from planets or moons to alter its trajectory and reduce its velocity.
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How astronauts slow their spacecraft down?
Using Reaction Control Thrusters or Cold Gas Jets (small thrusters). The astronauts fire them in the opposite direction that the spacecraft is traveling and this thrust slows down the craft.
What do astronauts fly in?
Astronauts in their spacecraft (such as the Space Shuttle) are lifted into space by huge rockets which accelerate the craft to "escape velocity" (about 25,000 mph). This puts the craft into orbit around the Earth, its forward velocity balancing the continuous pull of gravity. When they are ready to return to Earth, they use rockets to slow down, and gravity pulls them back out of orbit. When astronauts travelled to the Moon, another smaller rocket pushed the Apollo spacecraft out of orbit, and carried it to the gravitational field of the Moon. Another rocket firing pushed the craft back to Earth. Unmanned space probes have travelled to even farther distances from Earth, including the outer planets Uranus and Neptune. Most of the travel is coasting, because there is practically no matter in space to slow a spacecraft down.
What was the name of the spacecraft in which three American astronauts flew in at the same time in outer space?
It is called the Apollo spacecraft.
What is a reusable spacecraft that transports astronauts and other materials?
space shuttle
How does the astronauts survive in the outer space?
The spacecraft that astronauts go up in, have their own life support systems which regulate conditions to keep the spacecraft hospitable.
Why doesn't spacecrafts not slow down during the journey?
In space, there is no air resistance to slow down spacecraft traveling at constant velocity. Additionally, spacecraft can use thrusters or gravitational assists to adjust their speed if needed. The laws of physics allow spacecraft to maintain their speed in the vacuum of space.
Why can astronauts not use parachutes to help slow down their spacecraft as it approaches the moon how do they slow down their spacecraft?
A parachute would not work in the vacuum of space as there is no air for it to catch and create drag. Instead, spacecraft approaching the moon slow down through a combination of a retrograde rocket burn and gravity assist maneuvers to enter lunar orbit. Mission planners carefully calculate the spacecraft's trajectory and use precise engine firings to control its speed and trajectory.
What is the term used to slow down a spacecraft?
"funding"
Can you use parachutes in space?
No, parachutes require air to create drag and slow down descent. In outer space, there is no air to provide resistance, so parachutes would not be effective. Other methods, like retro rockets or aerobraking, are used for spacecraft to slow down.
Why can astronauts not use parachutes to help slow down their spacecraft?
Astronauts cannot use parachutes to slow down their spacecraft because there is no atmosphere or air resistance in space to deploy and manipulate the parachute. Parachutes rely on air to create drag and slow down the descent, which is not present in the vacuum of space. Spacecraft use thrusters or heat shields to control re-entry and manage their speed during re-entry into Earth's atmosphere.
Why can a spacecraft travel forever in space?
A spacecraft can travel forever in space because there is no air resistance or friction to slow it down. Once a spacecraft achieves a certain speed, it will continue to travel at that speed unless acted upon by another force, such as gravity or propulsion systems.
What is Outer space re-entry?
Outer space re-entry refers to the process of a spacecraft returning to Earth's atmosphere after being in space. During re-entry, the spacecraft faces extreme heat and friction due to the high speeds at which it enters the atmosphere, requiring specialized heat shields to protect it. The goal is to safely slow down the spacecraft and bring it back to Earth for a controlled landing.
Do objects that move in space ever slow down?
Yes, objects in space can slow down due to various factors such as gravitational forces, collisions with other objects, or interactions with the surrounding environment like interstellar gas and dust. However, in the vacuum of space, without external influences, an object would continue moving at a constant speed due to inertia.
What is the use of parachute in a space mission?
A parachute is used in a space mission to slow down and safely land a spacecraft or a probe back on Earth. It helps to reduce the speed of descent, allowing for a controlled landing and protecting the equipment inside from damage.
How did the space vehicles return to earth?
Space vehicles return to Earth by re-entering the atmosphere at a precise angle to slow down and land safely. For spacecraft like the Space Shuttle, they utilize heat shields to protect against the intense heat generated during re-entry. Parachutes are often used to slow down and guide the final descent for splashdown in the ocean or landing on solid ground.
How do astronauts slow their spacecraft down when approaching the moon?
Astronauts use small bursts from little jets pointed in the direction of travel to slow down the ship when they approach the moon.
How do astronaut slow their spacecraft down?
Using Reaction Control Thrusters or Cold Gas Jets (small thrusters). The astronauts fire them in the opposite direction that the spacecraft is traveling and this thrust slows down the craft.
