Satellites

Satellites

Of or relating to any man-made object launched to orbit Earth or another celestial body.

Contributors in Satellites

Satellites

The correction made to remotely sensed radiance (external link) to reduce or normalise for the intervening atmosphere (external link) between the Earth's surface and the satellite. The product of an ...

Brightness

Aerospace; Satellites

The attribute of visual perception in accordance with which an area appears to emit more or less light. One of three psychological dimensions of colour perception by which visual stimuli are ordered ...

Hue

Aerospace; Satellites

The attribute of a colour that differentiates it from grey of the same brilliance and that allows it to be classed as blue, green, red, or intermediate shades of these colors. See brightness and ...

Threshold

Aerospace; Satellites

The boundary in spectral space beyond which a data point, or pixel, has such a low probability of inclusion in a given class that it is excluded from that class.

Azimuth

Aerospace; Satellites

The arc of the horizon measured clockwise from the north point to the point referenced. Expressed in degrees. Azimuth indicates direction, and not location.

Umbra

Aerospace; Satellites

The complete or perfect shadow of an opaque body, as a planet, where the light from the source of illumination is completely cut off.

Sun satellite

Aerospace; Satellites

British industry will lead the production of Solar Orbiter (SolO), a spacecraft that will travel closer to the Sun than any satellite to date. SolO will take pictures and measurements from inside the ...