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Earth and Space Sciences · 术语表

什么是 Remote sensing and satellite image?

又称: remote sensing · satellite image

Definition 32.9 Primary & Middle School Earth and Space Sciences · 第 32 章 — Maps of the Whole Earth

Remote sensing is the observation of the Earth from a distance, from aircraft or from satellites, by measuring the light and other radiation that the surface sends back. A satellite image is a picture of part of the Earth built from these measurements.

The delta of the river Lena, in Siberia, where it meets the Arctic Ocean: a false-colour Landsat image of 27 February 2000, made with shortwave infrared, infrared and red light. The many channels of the river show in blue. USGS EROS Data Center, via NASA Visible Earth (public domain, via Wikimedia Commons).
The delta of the river Lena, in Siberia, where it meets the Arctic Ocean: a false-colour Landsat image of 27 February 2000, made with shortwave infrared, infrared and red light. The many channels of the river show in blue. USGS EROS Data Center, via NASA Visible Earth (public domain, via Wikimedia Commons).
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