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Word of the Week

Density

Density is the substance's mass per unit of volume.

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Ablation

What is Ablation? Ablation is the erosion of a solid body by a high-temperature gas stream moving with high velocity, e.g. a re-entry vehicle's heat shield which melts or chars under the effects of air friction.

Abort

Put simply, abort is to cancel or cut short a mission.

Acceleration

Acceleration is the name we give to any process where there is a change in velocity.

Atmosphere

The atmosphere is a mixture of gases that surrounds the Earth.

Density

Density is the substance's mass per unit of volume.

Fairing

A structure whose main function is to streamline and smooth the surface of an aircraft or space vehicle.

Gateway Space Station

It is a multi-purpose outpost, orbiting the Moon, that provides a platform for scientific experiments.

Gimbaling

A gimbal is a pivoted support that permits rotation of an object about an axis.

Helga & Zohar

Helga & Zohar are mannequin torsos.

James Webb Telescope

The James Webb Space Telescope is an orbiting infrared observatory.

Langrangian point

In a system dominated by two attracting bodies, a point at which a third, much smaller body keeps the same position relative to the other two.

Launch Poll

Launch poll is the final manual check that NASA carry out in preparation for a rocket launch.

LEO: Low Earth Orbit

Low Earth Orbit is considered the area in Earth orbit near enough to Earth up to 2km.

Mannequins

Mannequins mimic the astronauts so NASA can measure certain effects of space travel.

MARE project

Matroshka AstroRad Radiation Experiment

Mars – The Red Planet

Mars is the fourth planet from the Sun and the second-smallest planet in the Solar System.

Max Q

Maximum dynamic pressure; the point during launch when the vehicle is subjected to its greatest aerodynamic stress.

Moonikin Campos

Commander Moonikin Campos is a mannequin that helmed the Artemis 1 spacecraft.

Newton’s Third Law

For every action, there is an equal and opposite re-action.

Phantom Twins

Phantom Twins, Helga & Zohar are mannequins taken on board Artemis 1.