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87 Cards in this Set

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  • Back
the star with the greatest apparrent magnitude as seen from earth
Sun
loops added to geocentric thory to account for backward movement of the planets
epicycle
the study of earthquakes
seismology
subtle effects of scientists' likes and dislikes
predjudice
judgements that are made outside the realm of science
moral
a group of planets
solar system
crystal sphere
deferent
off centered circle
eccentric
sun's the center of the solar system
heliocentric theory
earth's the center of the solar system
geocentric theory
spinning on an axis
rotation
orbit around something
revolution
apparrent path
ecliptic
the force that pulls downward toward a large body
gravity
a telescope using a mirror
reflecting
a telescope using lenses
refracting
3 functions of a telescope
gathering light, resolution, and magnifacation
What affects a star's apparent magnitude?
distance and brightness
layers surrounding the earth
Atmosphere
the water on surface
hydrosphere
solid part of the earth
litosphere
space
celestial sphere
discovered white light is made of many colors
Newton
known for accurate calculations
Tycho
first to use telescope for astromomy
Galileo
added elliptical orbits to Copernican theory
Kutler
improved geocentric theory
Ptolomy
developed heliocentric theory
Copernicus
There are __________ modern constellations.
88
A ___________ is the distance light travels in one year.
Lightyear
The ___________ divides the light and the dark sides of the moon.
terminator
what is the most spectacular of the Maria?
Tycho
What theory of the moon says that the earth captured the moon accidentally.
Capture Theory
Streams of material that rise up and fall into the sus's corona.
Prominences
earth is between the moon and the sun
lunar eclipse
moon is between sun and the earth.
solar
why doesn't the moon have an atmosphere?
the moon has no gravity, so it has no atmosphere. 1/81 of the gravity of the earth.
Which planets were unknown during the ancient time and why?
Uranus, Neptune, Pluto/ couldn't be seen
growing (in terms of moon's phases)
waxing
shrinking (in terms of moon's phases)
waning
93 million miles
A.U. (Astronomical Unit)
stars circling each other
Eclipsing binary
layers of earth's atmosphere with abundance of ionized particles
Ionosphere
instrument produces an artificial eclipse
Coronagraph
streams of material that rise and fall into sun's corona
Prominences
Exploded meteor
bolide
falls to earth
meteorite
"shooting star"
meteor
particle orbiting in space
meteoroid
depression (astronomicaly speaking)
crater
earth's orbit collides with meteroid's
meteor showers
first american to orbit the earth
John Glenn
the first to build a liquid fuel rocket
Robert Goddard
the first American to walk in space
Edward White
first man to orbit the earth
Yuri Gargarin
first american woman in space
Sally Ride
first woman in space
Valentina Tereskova
first person to walk on the moon
Neil Armstrong
points on crescent moon
cusps
broad plains
Maria (or Mare)
sunlight reflected from earth to moon and back
earthshine
long narrow valleys
rills
being in the shadow of an astronomical body
eclipse
point in orbit closest to earth
perigee
point in orbit farthest from earth
apogee
how many times moon rotates during one revolution
once
How long is a lunar month?
29 1/2 days
Where does the moons light come from?
The sun
fastest revolving planet
Mercury
What special feature does Jupiter have?
Great Red Spot
Which planet is one A.U.(Astronomical Unit) from the sun
Earth
Which planet is the farthest planet most of the time.
Pluto
which planet is closest to the earth?
Venus
What special feature does Saturn have
Rings
The Red planet
Mars
dark spots on sun's surface
sunspots
lower layer of sun's atmosphere
Chromosphere
darker portion of sunspot
umbra
dark spots on surface
sunspots
outer layer of the sun
corona
visible surface of the sun
photosphere
pointed jets on chromosphere
spicules
outer portion of sunspot
penumbra
bubbles on surface
granules
What is the 3rd planet from the sun?
Earth
how many degrees is the earth's axis tilted
23 1/2
the first American woman in space
Sally Ride