Quiz 35
techinque usesing computer-controlled mirrors to correct for atmospheric distortion
What is adaptive optics
resolution of radio telescope images that can be increased by combining images from multiple telescopes through this
What is interferometry
the tropics are bound on the south by an imaginary circle called the Tropic of
What is Capricorn
calendar eliminated leap years for all century years except those evenly divisble by 400
What is Gregorian calendar
Father of Modern Rocketry
Who is Robert Goddard
type of wave is visible light
What is electromagnetic wave
telescope using a mirror as the objective is this type telescope
What is a reflecting telescope
yearly paths of the sun that intersects the celestial equator at two points
What is the UTC (coordinated universal time)
Northern-Hemisphere season begins with the June solstice
What is summer
Who is Wernber von Braun
device used to determine a star's spectrum
What is spectroscope
the change in a star's spectrum caused by its motion away from Earth
What is a redshift
system in which the day is divided into a.m. and p.m.
What is 12-hour
the average length of time between two upper transits of the sun
What is mean solar day
first American to orbit the Earth
Who is John Glenn
the magnifying lens that enlarges the image produced by a telescope
What is eyepiece
the color sequwence seen when white light shines through a prism
What is a visible spectrum
full circle on the celestial sphere that cnnects both celestial poles and passes directly over the observer
What is meridian
the climate zone annaually experiecing at least one day of darkness and one day of daylight
What is Frigid Zone
first person to travel in space
Who is Yuri Gagarin
the dar,, narrow lines where the colors are absorbed in a broad spectrum of color
What is absorption lines
reflecting telescope launched into space in 1990
What is the Hubble Space Telescope
meaning of "in the year of our Lord"
What is A.D.
time Earth takes to orbit the sun once
What is solar year
first human being to set foot on another world
Who is Neil Armstrong