Term
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Definition
| STUDY OF STARS, PLANETS, AND OTHER OBJECTS IN SPACE |
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Term
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Definition
| SUN AND ALL BODIES THAT ORBIT IT |
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Term
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Definition
| HUGE COLLECTION OF STARS, GAS, AND DUST THAT TRAVELS THROUGH SPACE |
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Term
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Definition
| TELESCOPE THAT USES CONVEX LENSES TO PRODUCE AN ENLARGED IMAGE |
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Term
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Definition
| LENS THAT IS THICKER IN THE MIDDLE THAN IT IS AT THE EDGES |
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Term
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Definition
| TELESCOPE THAT USES A CONCAVE MIRROR TO COLLECT LIGHT |
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Term
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Definition
| MIRROR THAT CURVES INWARD |
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Term
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Definition
| TELESCOPE THAT CAN RECEIVE RADIO WAVES FROM SOURCES IN SPACE |
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Term
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Definition
| UNIT OF MEASUREMENT EQUAL TO ABOUT 10 TRILLION KM |
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Term
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Definition
| APPARENT CHANGE IN THE POSITION OF A DISTANT OBJECT WHEN SEEN FROM TWO DIFFERENT PLACES |
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Term
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Definition
| UNIT OF MEASUREMENT BASED ON THE SUN'S DISTANCE FROM EARTH AND EQUAL TO ABOUT 150 MILLION KM |
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Term
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Definition
| FORWARD FORCE PRODUCED IN A ROCKET ENGINE |
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Term
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Definition
| NATURAL OR ARTIFICIAL OBJECT ORBITING A BODY IN SPACE |
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Term
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Definition
| CURVED PATH OF ONE OBJECT AROUND ANOTHER OBJECT IN SPACE |
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