Vocab 1
The force that keeps planets in orbit and keeps grounded on Earth
What is Gravity?
A stellar core remnant
What are White dwarfs?
The full for form of H-R Diagram
What is Hertzsprung-Russell Diagram?
Gravity was discovered by this man
Who is Issac Newton?
The central and most massive object in our solar system
What is the Sun?
A region in space where gravity's pull is so strong that no matter can escape it
What are Blackholes?
A very large, bright star
What is a Supergiant?
The function of a H-R Diagram
What is separates the effects of temperature and surface area on stellar luminosities?
Objects in motion stay in motion
Newton's 1st Law of Motion
Mercury, Venus, Earth, and Mars
What are Inner planets?
The early stage of a star; a contracting mass of gas
What are Protostars?
The mass of the sun used as a unit of mass
What is Solar mass?
The vertical and horizontal axis on the H-R Diagram has this
What is luminosity and temperature?
Invisible substance affecting galactic gravity
What is Dark matter?
Jupiter, Saturn, Uranus, and Neptune
What are Outer planets?
When nuclei collide and fuse to form heavier nuclei
What is Helium fusion?
The group in which a star is classified according to its spectrum
The classification of Blue stars
What is Hot, bright, massive, "burn" fast, and short lives?
How gravity bends light in space
What is Gravitational lensing?
The square of the orbital period is proportional to the cube of the semi-major axis
What is Kepler's 3rd Law of Planetary Motion?
A star that has a hot, dense core which fuses hydrogen into helium to produce energy
What is a Main sequence star?
A measure of how bright a star would be if it were seen from a standard distance
What is Absolute magnitude?
The classification of Red stars
What is cooler, dimmer, less massive, "burn" slow, and long lives?
Attempts to unify gravity with quantum mechanics
What is Quantum Gravity?
The formation of the Solar System
1. What is formed from a rotating cloud of gas and dust?
2. What is heavier elements concentrated closer to the sun?
3. What is light elements were pushed farther out?