From small to large:
Pluto - The Moon - Mercury - Mars - Venus - The Earth - Neptune - Uranus - Saturn - Jupiter - The Sun
Senior
Approximately how old is our solar system?
4.5 billion years
As of 2017, the astronaut to fly alone in space was who?
Ron Evans
How long does it take the Moon to orbit Earth once?
Ron Evans
How long does it take the Moon to orbit Earth once?
27 days
NASA's original qualifications for astronauts determined that you could only be a maximum height of what?
5'11"
Russian astronauts go by what name?
Cosmonauts
The first ever woman in space was who?
Valentina Tereshkova
The NASA Space Center in Houston, Texas is named after who?
Lyndon Johnson
The only Mercury astronaut to walk on the moon was who?
Alan Shepard
What arbitrary line is used to mark the spot where space begins?
Karman Line
What do you call an exploding star?
NASA's original qualifications for astronauts determined that you could only be a maximum height of what?
5'11"
Russian astronauts go by what name?
Cosmonauts
The first ever woman in space was who?
Valentina Tereshkova
The NASA Space Center in Houston, Texas is named after who?
Lyndon Johnson
The only Mercury astronaut to walk on the moon was who?
Alan Shepard
What arbitrary line is used to mark the spot where space begins?
Karman Line
What do you call an exploding star?
Supernova
What do you call the highest point the Sun reaches in the sky above an observer?
What do you call the highest point the Sun reaches in the sky above an observer?
Zenith
What element is the Sun chiefly made of?
What element is the Sun chiefly made of?
Hydrogen
What is a scientific name for the birth of our universe?
What is a scientific name for the birth of our universe?
Big Bang
What is the opposite of Occident?
What is the opposite of Occident?
Orient
What is the Sun mainly comprised of?
What is the Sun mainly comprised of?
Hydrogen
Which of the planets in our solar system is the largest?
Which of the planets in our solar system is the largest?
Jupiter
Which of these nations does not provide NASA with international astronauts?
Mexico
Who was the first American to orbit Earth?
John Glenn
Who was the first man on the moon?
Neil Armstrong
Expert
As of 2017, who was the last man to stand on the moon?
Gene Cernan
Astronaut John Young once brought what type of sandwich on board a spacecraft?
Corned beef
Astronaut urine collection systems were developed due to complications with what astronaut?
Alan Shephard
At what university did Neil Armstrong teach?
University of Cincinnati
Neil Armstrong's spacesuit weighed around how much while on Earth?
180 pounds
The first astronaut to be removed from a space flight because of an injury was who?
Scott Carpenter
The first astronaut to quit NASA was who?
John Glenn
The first astronaut to speak to the United Nations was who?
John Glenn
What American astronaut was the first to walk in space?
Edward White
What was the first American spacecraft to be launched into space?
Freedom 7
What was the first manned American spacecraft to be launched into space?
Freedom 7
What was the first musical instrument played in space?
Harmonica
What was the name of the school teacher who died in the Challenger explosion?
Christa McAuliffe
Which college has graduated the most astronauts?
United States Naval Academy
Which of these astronauts orbited Earth in his underwear?
Frank Borman
Who is the second man to step foot on the moon?
Buzz Aldrin
Who was the first astronaut to eat in space?
John Glenn
Who was the first astronaut to make two trips to space?
Gus Grissom
Who was the first human to venture into outer space?
Yuri Gagarin
Who was the first U.S. senator to go to space?
Jake Garn
Which of these nations does not provide NASA with international astronauts?
Mexico
Who was the first American to orbit Earth?
John Glenn
Who was the first man on the moon?
Neil Armstrong
Expert
As of 2017, who was the last man to stand on the moon?
Gene Cernan
Astronaut John Young once brought what type of sandwich on board a spacecraft?
Corned beef
Astronaut urine collection systems were developed due to complications with what astronaut?
Alan Shephard
At what university did Neil Armstrong teach?
University of Cincinnati
Neil Armstrong's spacesuit weighed around how much while on Earth?
180 pounds
The first astronaut to be removed from a space flight because of an injury was who?
Scott Carpenter
The first astronaut to quit NASA was who?
John Glenn
The first astronaut to speak to the United Nations was who?
John Glenn
What American astronaut was the first to walk in space?
Edward White
What was the first American spacecraft to be launched into space?
Freedom 7
What was the first manned American spacecraft to be launched into space?
Freedom 7
What was the first musical instrument played in space?
Harmonica
What was the name of the school teacher who died in the Challenger explosion?
Christa McAuliffe
Which college has graduated the most astronauts?
United States Naval Academy
Which of these astronauts orbited Earth in his underwear?
Frank Borman
Who is the second man to step foot on the moon?
Buzz Aldrin
Who was the first astronaut to eat in space?
John Glenn
Who was the first astronaut to make two trips to space?
Gus Grissom
Who was the first human to venture into outer space?
Yuri Gagarin
Who was the first U.S. senator to go to space?
Jake Garn