FOCAL (an acronym for Fast Outgoing Cyclopean Astronomical Lens) is a proposed space telescope that would use the Sun as a gravity lens. The gravitational...

PDP-8 and similar machines Focal (HP-41), for programming HP calculators FOCAL (spacecraft), a proposed space telescope FOCAL International, a trade body...

effect. Because of the physical constraints imposed by the Soyuz spacecraft, Gaia's focal arrays could not be equipped with optimal radiation shielding,...

against near-Earth objects (NEOs). It was designed to assess how much a spacecraft impact deflects an asteroid through its transfer of momentum when hitting...

on the spacecraft altitude. (At Geographos the resolution would have been <5 m at closest approach.) The clear aperture was 131 mm and the focal length...

Pioneer anomaly towards the end of the spacecraft's life. The Long-Range Reconnaissance Imager (LORRI) is a long-focal-length imager designed for high resolution...

the planet. All target encounters will be flyby encounters. The Lucy spacecraft is the centerpiece of a US$981 million mission. It was launched on 16...

only spacecraft to have ever visited the ice giants Uranus and Neptune. In August 2018, NASA confirmed, based on results by the New Horizons spacecraft, the...

means. Examples of ablative materials are described below, including spacecraft material for ascent and atmospheric reentry, ice and snow in glaciology...

spacecraft was in the coma of Wild 2. The solar array design was derived primarily from the Small Spacecraft Technology Initiative (SSTI) spacecraft development...