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Cards In This Set
| Front | Back |
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A STAR IS SAID TO BE BORN WHEN
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A PROTOSTAR REACHES A TEMPERATURE HIGH ENOUGH FOR NUCLEAR FUSION TO BEGIN
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WHICH FORCE IS MOST RESPONSIBLE FOR THE FORMATION OF A STAR?
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GRAVITY
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IN THE MILKY WAY, THE MOST ABUNDANT GAS IN EMISSION NEBULAE IS
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HYDROGEN
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MASSIVE STARS TERMINATE IN A BRILLIANT EXPLOSION CALLED A
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SUPERNOVA
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ALL STARS, REGARDLESS OF SIZE, EVENTUALLY
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FUN OUT OF FUEL AND COLLAPSE
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IN THE CORES OF EXTREMELY HOT RED GIANTS, NUCLEAR REACTIONS CONVERT HELIUM TO
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CARBON
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WHEN A MAIN-SEQUENCE STAR OF MEDIUM MASS HAS EXHAUSTED THE FUEL IN ITS CORE, AND IS COLLAPSING, IT BECOMES A
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PLANETARY NEBULA
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THE SUN IS CURRENTLY A
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MAIN-SEQUENCE STAR
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WHAT IS THE NEXT STAGE IN THE SUN'S LIFE CYCLE?
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RED GIANT
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WHAT WILL BE THE FINAL STAGE IN THE SUN'S LIFE CYCLE?
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WHITE DWARF
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LIGHT CANNOT ESCAPE THE INTENSE GRAVITATIONAL PULL OF A
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BLACK HOLE
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OUR GALAXY IS CALLED THE
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MILKY WAY
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AT ITS NUCLEUS, THE MILKY WAY GALAXY IS ABOUT 100,000 LIGHT-YEARS WIDE AND
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10,000 LIGHT YEARS THICK
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WHERE IS OUR SUN LOCATED IN THE MILKY WAY?
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AT THE EXACT CENTER OF THE GLACTICE NUCLEUS
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WHICH OF THE FOLLOWING IS not A TYPE OF GALAXY?
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NEBULAR
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