"An astronaut" is the correct form, not "a astronaut." "an" is used instead of "a" whenever the word it modifies begins with a vowel.
Singular = astronaut, singular possessive = astronaut's. Plural = astronauts, plural possessive = astronauts'.
Apollo 1 astronaut names: Unmanned Apollo 2 astronaut names: Unmanned Apollo 3 astronaut names: Virgil I. Grissom, Edward White, Roger B. Chaffee Apollo 4 astronaut names: Unmanned Apollo 5 astronaut names: Unmanned Apollo 6 astronaut names: Unmanned Apollo 7 astronaut names: Walter Schirra, Don Eisele, Walter Cunigham Apollo 8 astronaut names: Frank Borman, Jm Lovell, William Anders Apollo 9 astronaut names: James McDivitt, David Scott, Russel Schweickart Apollo 10 astronaut names: Tomas Stafford, John Young, Eugene Cernan Apollo 11 astronaut names: Neil Armstrong, Micheal Collins, "Buzz" Aldrin Apollo 12 astronaut names: Charles Conrad, Richard Gordan, Alan Bean Apollo 13 astronaut names: Jim Lovell, Jack Swigert, Fred Haise Apollo 14 astronaut names: Alan Shepard, Stuart Roosa, Edgar Mitchell Apollo 15 astronaut names: David Scott, Alfred Worden, James Irwin Apollo 16 astronaut names: John Young, Ken Mattingly, Charles Duke Apollo 17 astronaut names: Eugen Cernan, Robert Evans, Harrison Schmitt
The astronaut's mass is the same on the moon but the gravitational force applied on the astronaut is weaker thus the astronaut appears to weigh less.
The astronaut's inertia is MORE on the moon.
Richard Nixon
The cast of Astronaut - 2005 includes: Danny Chen Jonathan Kuo Richard Ma
Richard Nixon
stars
Richard J. Bond has written: 'Trace your family history in Walsall metropolitan borough'
Richard Kiel has starred in the James Bond films The Spy Who Loved Me (1977) and Moonraker (1979) as Jaws.
John Richard Bond is an astronomer and a member of the Canadian Institute for Advanced Research and helped establish the Canadian Institute for Theoretical Astrophysics.
Former astronaut Richard F. Gordon Jr. is 88 years old (birthdate: October 5, 1929).
US astronaut Richard Garneau was 82 years old when he died on January 20, 2013 (born July 15, 1930).
Marcus Richard Bond has written: 'Synthesis and characterization of some potential soliton-containing systems' -- subject(s): Solitons
Yes the contributions J. Richard Bond made are still used in space till this day
I think Richard Bonds role in space was to keep the technology running