What is chromosphere, convection zone, core, corona, photosphere, and radiation zone.
100
Star formation is a branch of astronomy true or false.
What is true.
100
Biggest star in our solar system.
What is Sun.
200
Number of recorded constellations.
What is 88
200
What stars are classified by.
What is spectra and temperature.
200
The center of the star.
What is core.
200
This theory suggests that low mass stars form by the gravitational collapse of rotating density enhancements within molecular clouds.
What is the theory of low mass star formation.
200
The sun is not important to our universe true or false.
What is false.
300
All cultures on Earth see the same pattern of stars true or false.
What is false.
300
When the current stellar classification system originated.
What is early 20th century.
300
The outermost part of a star.
What is Corona.
300
The theory that suggests that at least some massive protostars are seeded by low mass protostars which compete with other protostars to draw in matter from the entire parent molecular cloud.
What is the Theory of Competitive Accretion.
300
What a star begins as.
What is a collapsing cloud of material composed primarily of hydrogen.
400
The greek poet who wrote the oldest description of constellations in his poem called Phaenomena in about 270 B.C.
Who is Aratus.
400
The seven different stellar classes.
What is O, B, A, F, G, K, and M.
400
The part of a star that is outside of the core and where energy is transported by radiation.
What is convection zone.
400
The definition of Star Formation
What is the process by which dense regions within molecular clouds in interstellar space collapse into spheres of plasma to form stars.
400
Definition of a star.
What is a massive, luminous sphere of plasma held together by gravity.
500
Definition of a constellation.
What is an internally defined area of the celestial sphere.
500
How stars are classified in the Yerkes Classification Scheme.
What is width of their spectra lines.
500
The part of a star where visible light is emitted.
What is Photosphere.
500
Star formation theory must account for the statistics of these two things.
What is binary stars and the initial mass function.
500
The biggest star in the universe, compared to our sun.