NASA’s space dictionary is a list of words commonly used in conversations or discussions about everything in space or anything related to it. This illustrated dictionary is adapted from the United States Space Agency, NASA.
~ A ~ B ~ C ~ D
– Electricity /Electricity
Electric current, the movement of negative particles through a material, is used as a source of power.
This image of the Earth taken from space shows the glow of electric lights at night. Image: NASA
– Electromagnetic Spectrum /Electromagnetic spectrum
All wavelengths of visible and invisible light. Visible light is near the center of the spectrum
This diagram shows the types of wavelengths from longest to shortest.
– Ellipse /Ellipse
Flat circle or oval.
The moon’s orbit around the earth is elliptical. Photo: NASA
– Emergency Egress /Emergency Exit
Exit quickly from the vehicle due to a dangerous situation that requires immediate action.
The men practice emergency egress from a docking hatch on the top of the Orion capsule model. Image: Lauren Harnett/NASA
2024-01-01 21:35:00
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