Space Exploration

3 articles

Spacecraft, telescopes and the missions that reshaped what we know.

What Would Happen to a Human in Space Without a Spacesuit?

Outer space is an extremely hostile environment for the human body. The absence of breathable air, near-zero atmospheric pressure, extreme temperatures, and hazardous radiation make it impossible for humans to survive for long without a protective suit.

3 min read2

Space Exploration

Outer Space: A Near-Perfect Vacuum

By definition, a vacuum is a space nearly devoid of matter. Outer space is the largest known natural vacuum, characterized by an extremely low density of matter.

3 min read4

Space Exploration

James Webb Space Telescope: looking back at the infant universe

A 6.5-metre infrared mirror parked 1.5 million km from Earth to observe the earliest galaxies.

2 min read3