Exobiology in earth orbit : the results of science workshops held at NASA Ames Research Center /

Mode of access: Internet.

Hubble Space Telescope : update : 18 months in orbit.

Cover title.

ORBIT: online reduced bandwidth information transmission.

"Supported in part by contract number U.S. AEC AT(11-1) 1469."

Identification of large space structures on orbit /

"FO4611-85-C-0092."

The NTIS database on ORBIT : a search guide.

"PR-830"--P. [4] of cover.

Injuries of the eye, orbit, and eyelids : their immediate and remote effects /

Published in London in the same year.

Methods of computing the orbit of a comet or planet : appendix to the third volume of the translation of the Méchanique céleste /

Mode of access: Internet.

Definitive determination of the orbit of comet 1898 I.

Typescript.

The orbit of Enceladus.

Caption title.

The Earth from orbit : Apollo-Soyuz pamphlet no. 5.

Bibliography: p. 56-57.

A comparison of astronomical and ballistic traditions in orbit computation /

"Air research and Development Command, Air Force Office of Scientific Research, Mechanics Division. Contract no. AF 49(638) - 498."