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Aerospace

Industry that includes methods of travel and spacecraft for navigating the air or space.

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Aerospace > Space flight

heliosphere

Aerospace; Space flight

The space within the boundary of the heliopause, containing the sun and solar system.

heliopause

Aerospace; Space flight

The boundary theorized to be roughly circular or teardrop-shaped, marking the edge of the sun's influence, perhaps 100 AU from the sun.

halo orbit

Aerospace; Space flight

A spacecraft's pattern of controlled drift about an unstable Lagrange point (L1 or L2 for example) while in orbit about the primary body (e.g. The Sun).

goldstone solar system radar (GSSR)

Aerospace; Space flight

A technique which uses very high-power X and S-band transmitters at DSS 14 to illuminate solar system objects for imaging.

great circle

Aerospace; Space flight

An imaginary circle on the surface of a sphere whose center is at the center of the sphere.