Reading...
Play button
Play button
Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
20 Cards in this Set
- Front
- Back
|
Waxing(moon)
|
The moon at any time after new moon and before full moon.
|
|
|
Comet
|
A comet is a relatively small, icy mass in the Solar System, usually larger than a meteoroid, that, when it is close enough to the Sun.
|
|
|
Orbit
|
The path described by one celestial body in its revolution about another; "he plotted the orbit of the moon"
|
|
|
Observatory
|
A building designed and equipped to observe astronomical phenomena.
|
|
|
Pluto
|
A small planet and the farthest known planet from the sun.
|
|
|
Space Shuttle
|
A reusable spacecraft with wings for a controlled descent through the Earth's atmosphere.
|
|
|
Jupiter
|
The largest planet and the 5th from the sun.
|
|
|
Neptune
|
A giant planet with a ring of ice particles; the 8th planet from the sun.
|
|
|
Venus
|
The second nearest planet to the sun.
|
|
|
Ellipse
|
A closed plane curve resulting from the intersection of a circular cone and a plane cutting completely through it.
|
|
|
Reflecting telescope
|
Is an optical telescope which uses a single or combination of curved mirrors that reflect light.
|
|
|
Radio telescope
|
Is a form of directional radio antenna used in radio astronomy.
|
|
|
Refracting telescope
|
Optical telescope that has a large convex lens that produces an image that is viewed through the eyepiece.
|
|
|
Maria
|
A dark region of considerable extent on the surface of the moon.
|
|
|
Project Apollo
|
The Apollo program was a NASA spaceflight endeavor that landed the first humans on Earth's moon.
|
|
|
Project Gemini
|
Project Gemini was the second human spaceflight program of NASA.
|
|
|
Project Mercury
|
Project Mercury was the first human spaceflight program of the United States.
|
|
|
Meteor
|
A small body of matter from outer space that enters the earth's atmosphere.
|
|
|
Meteorite
|
A meteor that survives its passage through the earth's atmosphere.
|
|
|
Solstice
|
When the sun reaches its highest or lowest point in the sky at noon, marked by the longest and shortest days.
|
