Is Life on Venus Possible?
Phosphine is shaped like a pyramid with three atoms of hydrogen bonded to a single atom of phosphorus.

Is Life on Venus Possible?

Recently, British scientists revealed they had uncovered strong evidence that phosphine – a toxic, rancid gas produced by microbes – exists in the burning, acid-drenched atmosphere of Venus.

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Terraforming of Mars
An artist impression of Mars being terraformed.

Terraforming of Mars

The term Terraforming was coined by Jack Williamson in a science-fiction short story ("Collision Orbit"). Terraforming or terraformation (literally, "Earth-shaping") of a planet, moon, or other body is the hypothetical process of deliberately modifying its atmosphere, temperature, surface topography or ecology to be similar to the environment of Earth to make it habitable by Earth-like life.

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Space Shuttle Challenger Disaster (1986)
The presence of O-rings

Space Shuttle Challenger Disaster (1986)

The Space shuttle carried 2 solid rocket boosters (SRBs). They each are made up of 4 segments and are bolted together to make one big long rocket motor. The segments have an O-ring – a type of gasket to keep hot exhaust gasses from leaking out.

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