What is in the space?
Outer space is not completely empty—it is a hard vacuum containing a low density of particles, predominantly a plasma of hydrogen and helium, as well as electromagnetic radiation, magnetic fields, neutrinos, dust, and cosmic rays.
How do we know about space?
Things in space which release or reflect light, like stars or planets, can be seen either with the naked eye or with telescopes. By looking at that light, scientists can either directly tell where objects in space are, or at least can make deductions about their locations.
What are 3 facts about the solar system?
Interesting Facts About the Solar System
- The definition of a planet and a moon is fuzzy.
- Comets and asteroids are leftovers.
- The planets are all on the same “plane” and orbit in the same direction.
- We’re nowhere near the center of the galaxy.
- But the Solar System is bigger than you think.
- The Sun is hugely massive.
- We haven’t finished searching for life here.
What food do astronauts eat in space?
An astronaut can choose from many types of foods such as fruits, nuts, peanut butter, chicken, beef, seafood, candy, brownies, etc. Available drinks include coffee, tea, orange juice, fruit punches and lemonade. As on Earth, space food comes in disposable packages.
What happens if you fart in space?
On Earth, farts are typically no big deal — smelly, harmless, and they quickly dissipate. But if you’re an astronaut, every fart is a ticking time bomb. The gases in farts are flammable, which can quickly become a problem in a tiny pressurized capsule in the middle of space where your fart gases have no where to go.
Can you eat pizza in space?
Pizzas have not been perfected yet. Beyond that, astronauts can eat anything you might order from a typical menu. Cleanup is no fun, even in space. Plates and wrappers are disposable.
Who died on moon?
Three astronauts from Apollo 1, Edward White II, Roger Chaffee, and Gus Grissom tragically lost their lives while a grounded test of the command module on January 27, 1967. Investigations deduced that the astronauts died from asphyxiation because of a fire while engulfed the cockpit.
How does SpaceX return?
Shortly before the final deorbit burn, Crew Dragon will separate from its trunk, which will burn up in Earth’s atmosphere. The spacecraft then executes the deorbit burn, which commits Crew Dragon to return and places it on an orbit with the proper trajectory for splashdown.
Is the Dragon capsule reusable?
SpaceX also reused Dragon cargo capsules up to three times on resupply missions to the space station. Boeing’s Starliner capsule, which is also designed to carry astronauts, will also be reused on crew missions to the space station.
What happens to astronauts when they come back from space?
In space, astronauts lose fluid volume—including up to 22% of their blood volume. Upon return to earth, the blood begins to pool in the lower extremities again, resulting in orthostatic hypotension.”
How long the astronaut stay in space?
six months
Is Chris Cassidy still in space?
The final spacewalk was the 10th for both astronauts, making them two of only four only U.S. astronauts to complete 10 spacewalks. Cassidy now has spent a total of 378 days in space, the fifth highest among U.S. astronauts.