Space tools and Formation of the universe
Exam Questions with 100% Correct Answers
telescope
A device built to observe distant objects by making them appear closer
satellite
An object that revolves around another object in space
space shuttle
a spacecraft that can carry a crew into space, return to Earth, and then be reused for the same
purpose
space station
a large artificial satellite on which people can live and work for long periods
space probe
a spacecraft that has various scientific instruments that can collect data, including visual images, but
has no human crew
rover
A vehicle for exploring the surface of an extraterrestrial body (such as the Moon and Mars).
Spectrograph
a device that breaks light into colors and produces an image of the resulting spectrum
Big Bang Theory
Cosmological model that explains the sudden development of the universe through expansion from a
hot, dense state.
Hubble's Law
The observation that the farther away a galaxy is, the faster it is moving away.
cosmic background radiation
The electromagnetic radiation left over from the big bang
dark matter
matter that does not give off electromagnetic radiation but is quite abundant in the universe
dark energy
a mysterious force that appears to be causing the expansion of the universe to accelerate
Gravity
A force of attraction between objects that is due to their masses.
Exam Questions with 100% Correct Answers
telescope
A device built to observe distant objects by making them appear closer
satellite
An object that revolves around another object in space
space shuttle
a spacecraft that can carry a crew into space, return to Earth, and then be reused for the same
purpose
space station
a large artificial satellite on which people can live and work for long periods
space probe
a spacecraft that has various scientific instruments that can collect data, including visual images, but
has no human crew
rover
A vehicle for exploring the surface of an extraterrestrial body (such as the Moon and Mars).
Spectrograph
a device that breaks light into colors and produces an image of the resulting spectrum
Big Bang Theory
Cosmological model that explains the sudden development of the universe through expansion from a
hot, dense state.
Hubble's Law
The observation that the farther away a galaxy is, the faster it is moving away.
cosmic background radiation
The electromagnetic radiation left over from the big bang
dark matter
matter that does not give off electromagnetic radiation but is quite abundant in the universe
dark energy
a mysterious force that appears to be causing the expansion of the universe to accelerate
Gravity
A force of attraction between objects that is due to their masses.
