A 15-Pound Package Following these guidelines, spacecraft designers have pared the scientific instrumentation down to a 15-pound package by eliminating any lower-priority items.

Acquiring such a velocity on launch and getting rid of it on arrival will be a formidable challenge for spacecraft designers.

Korolyov wanted his engineers to become cosmonauts, believing that spacecraft designers should fly in their own vehicles.

Sergei Korolev, Russian rocket and spacecraft designer.

The attendees include spacecraft designers, businessmen, NASA personnel, astronauts, lawyers Adding science fiction writers turns out to be stunningly effective.

The chief Soviet spacecraft designer, Sergey Korolyov, conceived of the idea to recruit a female cosmonaut corps and launch two women concurrently on Vostok 5/6.

Galactic cosmic radiation poses a major challenge for spacecraft designers looking to protect astronauts on long missions into deep space.

It cheated Newton and enabled ships to accelerate for lengths of time undreamed-of by human spacecraft designers, but it didn't exempt them from gravity and inertia.

He was also a talented spacecraft designer, and designed Dan's personal spaceship.

Future spacecraft designers may find some instruction here; both what to do and what not to do.