how do astronauts come back to earth
Astronauts usually come back to Earth by undocking from the space station, firing engines to slow down, re-entering the atmosphere, and then landing by parachute, splashdown, or runway depending on the spacecraft.
Quick Scoop
The basic idea is simple: space vehicles are moving extremely fast in orbit, so they first do a deorbit burn to reduce speed and drop out of orbit. Then the capsule or spacecraft hits Earth’s atmosphere, where air resistance creates intense heat and slows it down.
What happens next
- Heat shield protects the crew. The blunt bottom of the capsule is designed to take the heat of re-entry.
- Parachutes deploy. Once the vehicle has slowed enough, large parachutes open to reduce speed further.
- Final landing method depends on the craft.
- Capsules like Soyuz and Dragon usually splash down or land with parachutes.
* **Space Shuttle-style vehicles** landed on a runway like an airplane.
Simple version
Think of it like this: the spacecraft hits the brakes in space, the atmosphere does most of the slowing, and parachutes or landing gear finish the job.
If you want, I can also explain how astronauts survive the heat and g-forces during re-entry.