Show:
STAR CYCLE
STAR PROPERTIES
BIG BANG THEORY
HERTZPUNG-RUSSELL
HUBBLE/RED SHIFT
100
A CONTRACTING CLOUD OF GAS AND DUST WITH ENOUGH MASS TO FORM A STAR
What is A PROTOSTAR?
100
COLOR, SIZE AND BRIGHTNESS
HOW DO ASTRONOMER'S CLASSIFY THEIR STAR'S BY?
100
ASTRONOMERS THEORIZE THAT THE UNIVERSE CAME TO BE IN SINGLE MOMENT IN A BIG BANG
HOW WAS THE UNIVERSE CREATED?
100
TO ESTIMATE THE SIZE OF STAR AND DISTANCE, AND INFER HOW STAR CHANGE OVER TIME
What is THE HR DIAGRAM USED FOR?
100
THE SPEED AT WHICH A GALAXY IS MOVING AWAY IS PROPORTIONAL TO ITS DISTANCE FROM US
What is HUBBLE'S LAW?
200
AN OBJECT WHOSE SURFACE GRAVITY IS SO GREAT THAT EACH ELETROMAGNETIC WAVE TRAVELING AT THE SPEED OF LIGHT CAN NOT ESCAPE.
What is BLACK HOLE?
200
CHEMICAL COMPOSITION AND MASS
What is IMPORTANT PROPERTIES OF A STAR?
200
13.7 BILLION YEAR OLD
HOW OLD IS THE UNIVERSE?
200
ENJAR HERTIZPUNG AND HENRY NORRIS RUSSELL
WHO CREATED THE HR DIAGRAM?
200
LIFT IS SHIFTED TOWARD RED WAVE LENGTHS
What is RED SHIFT?
300
THE DWINDLE SUPPLY OF FUEL IN A STAR'S CORE ULTIMATELY LEADS TO THE DEATH OF A STAR.
WHAT HAPPENS WHEN A STAR DIES?
300
APPARENT BRIGHTNESS
What is THE BRIGHTNESS OF A STAR AS IT APPEARS FROM EARTH IS CALLED?
300
MATTER THAT GIVES NO RADIATION
WHAT IS DARK MATTER?
300
IS A GRAPH OF THE SURFACE TEMPERATURE, COLOR, AND ABSOLUTE BRIGHTNESS OF A STAR
What is THE HR DIAGRAM?
300
STUDIED MANY GALAXIES AT DIFFERENT DISTANCES FROM EARTH.
WHO IS EDWIN HUBBLE?
400
LARGE CLOUND OF DUST AND GAS SPREAD OUT OVER A LARGE VOLUME OF SPACE
What is A STAR?
400
ABSOLUTE BRIGHTNESS
HOW BRIGHT A STAR REALLY IS?
400
4.6 BILLION YEARS
HOW LONG DID IT TAKE THE SUN AND THE SOLAR SYSTEM TO FORM?
400
ABSOLUTE BRIGHTNESS
What DOES THE VERTICAL AXIS SHOW ON THE HR DIAGRAM?
400
NEARLY ALL GALAXIES ARE GETTING FARTHER AWAY
What DID RED SHIFT SHOW?
500
IT IS A PROCESS IN WHICH THE NUCLEI OF TWO ATOMS COMBINE TO FORM A LARGER NUCLEUS.
What is FUSION?
500
BY THE BRIGHTNESS OF THE TEMPERATURE
HOW CAN ASTRONMERS TELL THE DIAMETER OF A STAR
500
HOW THE EARTH WAS MADE
What DOES BIG BANG DESCRIBE?
500
TIDES ARE CAUSED MAINLY BY DIFFERENCE IN THE MOON'S GRAVITATIONAL PULL ON EARTH
HOW ARE TIDES CREATED?
500
REDDER LONGER
What COLOR ARE THE LINES IN THE SPECTRUM WHEN THE GALAXY IS MOVING AWAY?