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Astronomy, History of
Archaeoastronomy
Astronomy
Q & A About Astronomy
see also Space Exploration
all articles about astronomy and space science
astronaut training
branches of astronomy
constellations
discoveries and research 1938-1999 (archives)
discoveries during the 20th century
discoveries during the 21st century
fixing events in time
Greek and Roman astronomy
heavenly bodies
history of astronomy
instruments and devices
observatories
pictures related to the history of astronomy
planetariums and exhibits
search for extraterrestrial life
table of astronomical constants
types of interstellar matter
Astronaut
Astronaut, crew member on piloted spaceflights. The term astronaut comes from the Latin words astrum (“star”) and nauta (“mariner”) and is used mostly...
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