Stars
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PRESENTATION OUTLINE
WHAT IS A STAR?
- A STAR IS A LARGE BALL OF BURNING GAS IN SPACE HELD TOGETHER BY GRAVITY.
Photo by JusDaFax
HOW BIG ARE STARS?
- THERE IS MANY DIFFERENT STARS, THEY CAN BE BIGGER THAN THE SUN OR STARS CAN BE SMALLER.
Photo by NASA's Marshall Space Flight Center
WHY STARS EXPLODE?
- STARS CAUSES TO EXPLODE SOMETIMES FROM HAVING TOO MUCH MATTER, WHICH RESULTS INTO A SUPERNOVA.
Photo by NASA's Marshall Space Flight Center
WHY DO STARS TWINKLE?
- STARS TWINKLE BECAUSE THEY’RE SO FAR AWAY FROM EARTH THAT, EVEN THROUGH LARGE TELESCOPES, THEY APPEAR ONLY AS PINPOINTS.
Photo by MJ Tangonan
HOW DID THE STARS GET THEIR NAMES?
- ASTRONOMERS HAVE GIVEN THE STARS NEW NAMES SO THAT THEY CAN KEEP TRACK OF THEM MORE EASILY.
Photo by NASA's Marshall Space Flight Center
HOW MANY STARS CAN WE SEE ON A CLEAR NIGHT?
- THERE ARE ONLY ABOUT 5,000 STARS VISIBLE TO THE NAKED, AVERAGE, HUMAN EYE.
Photo by Clément Percheron
HOW HOT MUST A STARGET BEFORE IT BECOMES A STAR? WHY DOES IT NEED TO GET SO HOT?
- THE TEMPERATURE NEEDED FOR A STAR IS 10 MILLION KELVIN WHICH IS VERY HOT.
Photo by NASA Goddard Photo and Video
HOW LONG FORD IT TAKE TO PRODUCE A STAR? HOW ARE THEY PRODUCED?
- BASICALLY, STARS ARE BIG EXPLODING BALLS OF GAS, MOSTLY HYDROGEN AND HELIUM.
HOW DO STARS AFFECT HUMAN LIFE?
- THERE IS A FEW WAYS STARS CAN AFFECT HUMAN LIFE.
Photo by NASA Goddard Photo and Video
BIBLIOGRAPHY
- https://www.collinsdictionary.com/dictionary/english/star https://www.universetoday.com/25331/size-of-stars/ https://www.giss.nasa.gov/research/briefs/stothers_04/ https://www.seeker.com/why-does-a-star-explode-1765113220.html https://www.nationalgeographic.com/science/space/universe/supernovae/#close https://www.universetoday.com/25145/interesting-facts-about-stars/ https://space-facts.com/stars/
Photo by Juskteez Vu
