Process Of Stars
What is the name of the formation of a star that starts out as a flattened disc of spinning gas.
Protostar
What does luminosity mean?
An asteroid is a piece of rock that revolve around the sun in an ellipse; bigger than comets and meteorites. (t/f)
True
The inner layers of the sun
The core, radioactive zone, and convective zone
Three types of meteorite
Stony, Iron, Stony-iron
What is the first stage of the development of the star?
Nebula
What is a star?
The sun is a star and is yellow. (t/f)
False (its white)
The sun's atmosphere layers
Photosphere, chromosphere, and corona
Main Sequence
What is the final stage in a stars life?
white dwarf
What does nuclear fusion do?
It creates light and electromagnetic energy caused by the release of energy from molecules in stars fusing
The sun is exactly where we want it to be (t/f)
True
Solar eruptions are the result of the changes in the solar _____ ______ and such as prominences, solar flares, and coronal mass ejections
Magnetic Field
What is the speed of light?
300,000 km/s
If the white star is able (due to its density and strong gravity) to pull away gases from red giants nearby it could...?
Nova
Red giant/Supergiant
big and bright stars; they look red (only difference between a giant and supergiant is (size)
Blue stars are colder than red stars (t/f)
False
Coronal mass ejections occurs when the sun expels gas from its ________
Corona
How long does a star's lifespan generally last for?
Billions of years
When does a black hole or a supernova happen in a stars life?
It happens when a star runs out of nuclear fuel and its core collapses
Whats a supernova?
When a star has a huge explosion and the whole star blows up; rare for white dwarfs, but normal for red supergiants; usually Iron/Fe is formed via fusion
(Nova - star that gets brighter suddenly) more gas= less pressure = explosion = less energy (t/f)
False (more energy)
What are sunspots?
Portions of the photosphere that are colder
How many years does it take for a Halley comet to pass by earth?
76 years