Question

The Dream and Realization of Space Flight

Answer 1

Answer:

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Explanation:

For thousands of years, humans have curiously gazed at

the night sky and dreamt of travelling to space and explore the

distant heavenly bodies there. But that long cherished dream

became a reality only after they developed large rockets capable

of carrying satellites and humans to space. After reaching space,

those rockets were powerful enough to make satellites, robotic

spacecraft or spacecraft carrying humans to either circle the

earth or proceed towards the other worlds of our solar system.

Besides satisfying the human urge to explore space, devices

launched into space by humans have made our lives here on

Earth easier and safer. Thus, benefits offered by space are truly

revolutionary.

Now, let us understand the term ‘space’. When we talk

of space research or space flight today, the word ‘space’ refers

to the region which is outside the Earth’s atmosphere. Today,

many scientists agree that space begins at an altitude of about

100km from the Earth’s surface. Thus, all heavenly bodies

including the sun, moon, planets, stars and galaxies are in space.

Artificial satellites revolve round the Earth in space. Humans

living in the huge International Space Station today are circling

the Earth in space.