📁 伊奥
Io is a small, interpreted, embeddable, pure object-oriented, prototype-based, garbage collected language. Speed: similar to Perl, Python, Ruby. Influences: Smalltalk; Act1, Self, NewtonScript; LISP; Lua. Descriptions, documents, download, mail list. It is open source, with a BSD license.
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Views of the Solar System: Asteroid Introduction
http://www.solarviews.com/eng/asteroid.htm