True or False
having the shape of an ellipse is elliptical
What is true?
Any of the small bodies traveling through space
a. meteor
b. meteoroid
c. astronomy
d. constellation
b. meteoroid
What is any various groups of stars to which definite names have been given?
What is a constellation?
a meteoroid that has entered the earth's atmosphere
What is a meteor?
does not have regular shapes
What is irregular galaxy?
gravitational field so intense that no electromagnetic radiation can escape, formed at beginning of the universe of be collapse of a star is a black hole
What is true?
large system of stars held together by gravity
a. constellation
b. galaxy
c. spiral galaxy
d. meteor
b. galaxy
What is the distance traversed by light in one mean solar year?
What is light year?
celestial body moving about the sun, mass surrounded by an envelope of dust and gas. May form a tail.
a star with approximately equal to or less than the latitude of the observer
a. lenticular stars
b. circumpolar stars
c. horizon
d. constellation stars
b. circumpolar stars
a dark patch on surface of the sun is a supernova
What is false?
(sunspot)
the great circle formed by the intersection of the plane of the earth's orbit with the celestial sphere apparent annual path of the sun in the heavens
a. vernal equinox
b. zenith
c. ecliptic
d. orbit
c. ecliptic
What is the instant the sun reaches the point of zero declination when crossing the celestial equator from south to north?
What is vernal equinox?
a milky way, galaxies shaped like pinwheels
What is a spiral galaxy?
What is a small circle of the celestial sphere vertically above a given position or observer?
What is a horizon?
the science that deals with the material universe beyond the earth's atmosphere is meteoroid
What is false?
(astronomy)
a sudden and brief brightening of the solar atmosphere in the vicinity of a suspect
a. supernova
b. sunspot
c. solar flare
d. solar wind
c. solar flare
What is the arc of the celestial equator measured eastward from the vernal equinox to the foot of the great circle passing through the celestial poles and a given point on the celestial sphere, expressed indegrees or hours?
What is right ascension?
a depression enclosed by wall, ring
What is a crater?
True or False?
to move in a circular or curving course or orbit, such as the earth around the sun is rotate
What is false?
(revolve)
to cause to turn around an axis or center point is a meteor
What is false?
(rotate)
a direction determined by the projection of the Earth's North Pole onto the celestial sphere
a. constellation
b. circumpolar stars
c. lenticular galaxy
d. celestial North Pole
d. celestial North Pole
What is the angular distance of a heavenly body from the celestial equator, measured on the great circle passing through the celestial pole and the body?
What is declination?
the point on the celestial sphere vertically above a given position or observer
What is a zenith?
a mass of stone or metal that has reached the earth from outer space
What is a meteorite?