Gadgets
What is a device that splits light into a spectrum for analysis?
spectroscope
The first type of spacecraft designed to be reused was the __________________
Space Shuttle
What was the first satellite launched by the United States?
Explorer 1
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 unit of time is based on the period Earth takes to orbit the sun once?
Solar Year
What instrument increases an object's brightness by gathering more light than the unaided eye?
A telescope
The first artificial object to orbit the earth was _________________________
Sputnik 1.
What term refers to the earth's slow "wobble" on its axis that causes the pole star to change?
Precession of the equinoxes
What calendar uses the lunar year with an extra month in certain years to stay in step with the seasons?
Jewish
What is formed by ordering all types of electromagnetic waves by increasing frequency and decreasing wavelength?
Electromagnetic spectrum
What type of time is based on the stars?
Sidereal
What is another name for an objective mirror?
Primary Mirror
An unmanned spacecraft launched specifically to explore the unknown is a ___________________
Space Probe
A satellite stays above the same point on the earths surface in a ____________________ orbit
Geostationary
What is the general term for advancing the clocks by one hour in summer?
Summer time
What is the replacement of A.D. that has become popular among those who deny the deity of Jesus? And what does it stand for?
C.E.
Common Era
How would 2:15 p.m. be stated in 24 hour time?
14:15
A telescope that uses a large, curved mirror as the objective is a ____________________ telescope
Reflecting
What was the first space station launched by the United States?
Skylab
A satellite equipped with special devices to detect radiation that cannot penetrate Earth's atmosphere is an _________________ satelite
Astronomical
How is the lunar month of 29 1/2 days defined?
Time for the moon to go through all its phases
Who was the first Chinese astronaut?
Yang Liwei
What is the mean solar time at the Prime Meridian called?
UTC
What instrument detects low-frequency waves to observe areas in space whose visible light is blocked from reaching Earth?
Radio Telescope
What maneuver allows a spacecraft to steal a planets motion thus increasing its speed and orbit as it flies past?
Gravity assist or Gravitational slingshot
The two points at which the apparent path of the sun crosses the celestial equator are called __________________
equinoxes
In which climate zone does every location have at least one day a year when the sun is directly overhead?
Tropics
The sun's northernmost and southernmost points on the ecliptic are called _______________________
Solstices
The unit of time larger than a day, that is not based on the motion of a heavenly body is ________________
A week
What is the main difference between reflecting and refracting telescopes?
Reflecting telescopes use mirrors to gather light
What was the first mission to land a man on the moon?
Apollo 11
In which climate zone does the sun rise and set every day but is never straight overhead?
Temperate Zone
Longer
Which two regions of the earth experience at least one day of darkness and one day of daylight?
Frigid Zones
The abbreviation A.D. stands for _________________
Anno Domini
How do Earth observation satellites work?
detecting different forms of electromagnetic radiation
The speed at which a spacecraft must be traveling to leave Earth's gravity without using the rockets anymore is called ________________________
Escape Velocity
What circle on the celestial sphere runs overhead and connects the celestial poles?
Meridian
In which type of orbit does a satellite cross the equator at the same local mean solar time on every orbit
Sun-synchronous orbit
At an altitude of 800 km, a satellite is moving at 26,500 km/h. On the other side of its orbit, it is moving at 28,000 km/h. What can you determine about the satellites' altitude at this point?
It is lower than 800 km because the satellite sped up.
What statement best explains why a solar and sidereal day are not the same length?
The length of the solar day depends on the sun's position of the ecliptic.