Vocab 1
The explosion of a star in which the star may reach a max intrinsic
Supernovas are?
Apparent magnitude is affected by distance and other factors, while absolute magnitude is standardized.
This is the what between absolute magnitude and apparent magnitude?
the h-r diagram graph on its axis
Luminosity on vertical and temperature on horizontal represents?
Gravity
what's responsible keeping planets in orbit and objects on Earth's surface
Sun, planets, asteroids, comets, and more
What's included in the solar system?
A star of great intrinsic luminosity and enormous size
Super Giants are?
Spectral Class
a classification system used to categorize stars based on their spectral characteristics and temperature are what?
the spectral types (O, B, A, F, G, K, M)
A surface star's temperature is represented by?
described gravity mathematically
Sir Isaac Newton did what?
The sun
What is the central and most massive object in our solar system is
The dense remnants of SUPERMASSIVE STARS that have exploded as supernovae are
neutron stars are?
luminosity
The amount of light emitted is?
They have a larger surface area
Why are giant and supergiant stars luminous despite being cooler
objects with gravity so strong even light can't escape
Black holes are what?
Their distance from the sun and the material they're made from
Why is the solar system divided by inner and outer planets?
a white dwarf
the leftovers of the core of a dying star is?
Main sequence star
The sun is a __ because it's in a stable phase
The equation that helps compute a star’s distance.
d=100.2(m−M+5)d = 10^{0.2(m - M + 5)} is?
Gravitational field
Each planet has its own
Kepler's laws which describe how planets move around the Sun
These are what?
1. Planets orbit in ellipses with the Sun at one focus
2. Planets sweep out equal areas in equal times
3. The square of the orbital period is proportional to the cube of the semi-major axis
stars that suddenly increases its light output very tremendously
Novas are
a star's color
Temperature determines what?
The H-R diagram
What helps us understand the relationship between stars and their planets by showing how a star evolves and changes over time and revealing their fundamental properties
Gravitational lensing
How gravity bends light in space is?
Counterclockwise is how