Question |
Answer |
in which climate zone does every location have at least one day a year when the sun is directly overhead |
Tropics |
Which method of measuring time uses time zones |
standard solar time |
What type of time is based on the stars |
sidereal time |
The point on the celestial sphere directly above an observer is called the |
zenith |
what was the first artificial satellite of Earth |
Sputnik 1 |
What circle on the celestial sphere runs directly overhead and through the celestial poles |
meridian |
the path the sun follows in a year is the |
ecliptic |
A device that splits light into a spectrum for analysis is a |
spectroscope |
What system of timekeeping divides the day into hours AM and PM |
12 hour time |
the equation of time is the relationship between mean solar time and |
apparent solar time |
What term refers to an unmanned spacecraft launched specifically to explore the unknown |
space probe |
What are the two points on the path of the sun at which the sun is farthest from the celestial equator |
solstices |
in what type of orbit does a satellite stay above the same point on the Earth's surface |
geostationary (orbit) |
which calendar system is now used in most nations |
Gregorian calendar |
what term refers to the earth's slow "wobble" on its axis that causes the pole star to change
|
precession |
what visible light telescope was launched into space in 1990 |
Hubble Space Telescope |
What unit of time is based on the period Earth takes to orbit the sun once |
solar year |
used to study the heavens |
astronomical |
perform a variety of functions, such as making maps, forecasting crop production, spotting forest fires and surveying cities |
Earth observation |
relay telephone conversations and radio and television broadcasts |
communications |
include the satellites of the Global Positioning System |
navigational |
a telescope that uses a mirror as the objective is a ??? telescope |
reflecting |
The abbreviation A.D. stands for |
anno Domini |
the technique in which computer-controlled mirrors constantly flex and bend to correct for atmospheric distortion is |
adaptive optics |
When white light shines through a gas and then passes through a prism, the broad spectrum of color will show narrow, dark lines called |
absorption lines |
the mean solar time at Earth;s prime meridian is called |
UTC |
a circumpolar star that crosses the meridian between the visible celestial pole and the horizon is making an |
lower transit |
In which type of orbit does a satellite cross the equator at the same local mean solar time on every orbit |
sun-synchronous orbit |
which type of orbit would a spacecraft use to increase its altitude |
Hohmann transfer orbit |
from which calendar do the English month names come |
Julian |
What was the first space station designed so that it could be expanded |
Mir |
What astronomical event marks the beginning of winter in the Northern Hemisphere |
December solstice |
What United States' space program landed a man on the moon |
Apollo |
What rocket design did the United States use to launch manned moon missions? |
Saturn V |
What term refers to the highest point of the orbit of an earth-orbiting satellite |
apogee |
what part of a telescope collects the light |
objective |
The term that refers to the speed a spacecraft must be traveling at to leave Earth's gravity without using its rockets anymore is |
escape velocity |
the unit of time, larger than a day, that is not based on the motion of a heavenly body is the |
week |
The first type of spacecraft designed to be reused was the |
space shuttle |
a rocket that can be stored for years with the fuel loaded is a ??? rocket |
solid-fuel |
Scientists can use multiple radio telescopes to produce images more detailed than possible with a single radio telescope by using the technique called |
interferometry |
the two points at which the path of the sun crosses the celestial equator are called |
equinoxes |
the two basic kinds of optical telescopes are the |
refracting and reflecting telescopes |
first american in space |
Alan Shepard |
first woman in space |
Valentina Tereshkova |
Father of Modern Rocketry |
Robert Goddard |
first man in space |
Yuri Gagarin |
first american to orbit the earth |
John Glenn |
German-born engineer who became the US top rocket designer |
Wernher von Braun |
first man to set foot on the moon |
Neil Armstrongs
|