Formulas
λmax= b/T
Wavelength of peak emission
AU
The distance from the Earth to the Sun
All 4 Galilean Moons
Ganymede
Callisto
Io
Europa
This law in physics states that the orbit of every planet follows an ellipse with the Sun at one of the two foci
Kepler's 1st Law of Planetary Motion
Scientist who was heavily involved in planning the Hubble telescope launch and namesake of NASA’s next flagship mission
Nancy Grace Roman
T2 = [(4π2)/(GM)]*a3
Kepler’s 3rd Law
Parsec
3.26 light-years
The donut ring of dwarf planet, icy bodies, and comets extending past Neptune's orbit
Kuiper Belt
The minimum speed needed for an object to break free from a celestial body's gravitational pull
Escape Velocity
The boundary surrounding a black hole beyond which the not even light can escape this boundary.
Event Horizon
rmin = p/(1-ε) where Θ = 0°
Periapsis
The units for big G (Gravitational Constant)
(m3)/(kg*s2)
This moon has some of the most volcanic activity in the solar system
Io
An idealized object that absorbs all incident/incoming electromagnetic radiation
Blackbody
A group of asteroids named for mythical figures at the L4/L5 Lagrange points
Trojans
Δλ/λ = √[(1+v/c)/(1-v/c)] - 1
Relativistic Doppler Effect
First radiation constant = (2πhc2)
(J*m2)/(s)
This celestial body rotates on its side (~90°) and has a retrograde axis
Uranus
The stretching of light wavelengths when a light-emitting object moves away from an observer
Redshift
Constellation from which the Wow! Signal was found
Sagittarius
λJ = √[(15kBT)/(4πG𝛍*𝝆)]
(Hint: Gas Cloud Collapse)
Jeans Length
Unit for RADIO flux (Spectral Flux Density):
Jansky - (W*s)/(m2)
The length of this planet's day is longer than its year
Venus
An orbital mechanical technique where a spacecraft uses a planet's gravity and orbital speed to change its velocity and direction without using extra fuel
A Slingshot
Scientist who created Harvard Classification of stars
Annie Jump Cannon