Question

Which of the following factors have been most influential in allowing manned space exploration?
design of rockets capable of escaping earth’s gravitational pull
ability to turn food into pills and powders so they can be eaten in space
development on powerful batteries which provide light for astronauts to use in the darkness of space
creation of atmospheric systems that provide oxygen while absorbing carbon dioxide

Answer 1

Answer:

very big question

not enough battery to do this

Explanation:

2 % left

Answer 2

Answer:

The factor that is most influential in allowing manned space exploration was the development of large and relatively efficient rockets during the mid-twentieth century that allowed physical space exploration to become a reality. Therefore, option a. design of rockets capable of escaping earth’s gravitational pull is the correct answer.

Explanation:

Space exploration is the application of astronomy and space technology to the study of space. While astronomers use telescopes to examine space, unmanned robotic spacecraft and human spaceflight are used to physically explore it.

While the study of objects in space, known as astronomy, predates reliable recorded history, it was the development of large, reasonably efficient rockets in the mid-twentieth century that made true space travel a reality.

Astrophysicists use the rotating velocity of the Earth to speed up rockets and launch them beyond the reach of Earth's gravity when designing rockets to go to other planets—or out of the solar system completely. Therefore the speed necessary to break out from an orbit is called Escape velocity.

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