The displacement is independent of the distance from the observer to the ______________ and a telescope has to be slightly tilted to compensate for the distortion.
celestial object
planet
asteroids
galaxy
He earned his airline transport __________ in 2001.
pilot license
satellite
telescope
constellation
Studying the craters on the _____ allowed the scientists to get a better idea of how much water could be found on it.
earth
sun
moon
planet
The _________ was welcomed with joyous , resounding acclaim
spacecraft
astronomer
pilot license
astronaut
The ______ orbits the Earth every 48 hours.
constellation
spacecraft
specks of light
satellite
Planet ______ is the only planet out of the eight planets in the Solar system that hosts life.
Orbit
Earth
Moon
Sun
The ____ was shining brilliantly when all of a sudden darkness descended over the place.
planet
moon
sun
earth
NASA _______ rockets into space.
observes
generates
launches
innovates
Pluto is the farthest _______ in the solar system.
constellation
orbit
Earth
planet
It's the first time __________ had identified an exploding magnetar in another galaxy.
asteroids
astronomers
astronaut
celestial objects
The six astronauts on board will spend ten days in ______.
planet
Moon
space
galaxy
The ________ makes the craters on the surface of the moon incredibly clear.
astronomer
reflector
lens
telescope
An _____ is a regular, repeating path that one object in space takes around another one.
astronomer
asteroids
orbit
astronaut
The planet must have been hit by an _______ or a comet.
asteroid
celestial object
astronaut
astronomer
The __________ Ursa Major contains the stars of the Big Dipper.
spacecraft
satellite
constellation
specks of light
A _______ ago genetic codes were certainly unknown.
specks of light
generation
decade
century
The __________ disintegrated as it entered the Earth's atmosphere.
telescope
spacecraft
astronaut
satellite
We have the earth engulfed in _______ which in touching the surface of the earth touches the surface of water.
planet
brightness
telescope
darkness
Even when the sky is dark, there is always a __________.
spacecraft
speck of light
constellation
Moon
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