Correct Answers 2024
refractor telescope
a device that uses lenses to bend light from an object and focus it into an image
reflector telescope
A device that uses a large mirror to reflect and focus light.
satellite
an object that orbits Earth with special instruments and telescopes that collect information
space observatories
telescopes or other instruments that have been launched into outer space to collect data on distant
planets, galaxies, and other celestial bodies
spectroscopes
these collect the light from distant stars and separate light into bands
space probes
contain instruments to collect data and travel out of Earth's orbit to explore places that would be too
dangerous for astronomers
nebula
A large cloud of dust and gas in space
galaxy
A huge group of single stars, star systems, star clusters, dust, and gas bound together by gravity
spiral galaxy
elliptical galaxy
irregular galaxy
radio telescope
A device used to detect radio waves from objects in space
light year
the distance light travels in one year
milky way
The name of our galaxy, a spiral galaxy that contains about 400 billion stars