Words
People
Initials
Dates
100

Gegenschein

a faintly bright spot in the night sky centered at the antisolar point

100

Gherman Titov

First to spend more than one day in space; youngest person (25 years old) in space      

100

SCET

Spacecraft Event Time

100

28 April 2001

First paying person to go to space

100

Nadir

the downward direction from a spacecraft to the center of a planet below

100

Aleksey Leonov

First person to "walk" in space.

100

A.A.S

American Astronautical Society

100

4 October 1957

First man made satellite launched in space

100

Transneptunian

Any planet/dwarf planet that orbits our sun but is further then Neptune

100

Harrison Schmitt

Last person to walk on the moon

100

A.C.S

Attitude Control System

100

25 May 2012

First privately contracted spacecraft was sent to the International Space Station

100

Zenith

the point on a planet directly above the spacecraft

100

Eileen Collins

First female shuttle commander

100

J.P.L

Jet Propulsion Laboratory

100

2 December, 1971

First successful landing of a man made object on Mars

100

Planetoid

Is another term for an asteroid

100

Fred Haise; James Lovell; Jack Swigert

Traveled the farthest from Earth

100

U.T.C

Universal Time Coordinated

100

20 July, 1969

First man on the moon

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