Find Class Notes for ASTR 121 at UMD

ASTR 121 Lecture Notes - Lecture 22: Gravitational Wave, Solar Mass, Before Present

ASTR 121 Lecture Notes - Lecture 24: Institute For Operations Research And The Management Sciences, Spherical Harmonics, Bell Labs

ASTR 121 Lecture Notes - Lecture 25: Uncertainty Principle, Electroweak Interaction, Vacuum Energy

ASTR 121 Lecture Notes - Lecture 27: Before Present, Cosmological Constant, Observable Universe

ASTR 121 Lecture Notes - Lecture 23: Richard Feynman, Planck Time, Planck Units

ASTR 121 Lecture Notes - Lecture 26: Interstellar Travel, Copernican Principle, Drake Equation

ASTR 121 Lecture Notes - Lecture 21: Local Group, Interacting Galaxy, Isotropy

ASTR 121 Lecture Notes - Lecture 19: Seyfert Galaxy, Quasar, Radio Galaxy

ASTR 121 Lecture Notes - Lecture 18: 3C 273, Seyfert Galaxy, Radio Galaxy

ASTR 121 Lecture Notes - Lecture 12: Rayleigh Scattering

ASTR 121 Lecture Notes - Lecture 13: Evolved Laser Interferometer Space Antenna, Intermediate-Mass Black Hole, Binary Black Hole

ASTR 121 Lecture Notes - Lecture 14: Spheroid

ASTR 121 Lecture 17: Galactic Evolution and the First Galaxies

ASTR 121 Lecture Notes - Lecture 11: Mass, Orbital Speed, Solar Mass

ASTR 121 Lecture Notes - Lecture 15: Distance Modulus, Velocity Dispersion, Instability Strip

ASTR 121 Lecture Notes - Lecture 20: Velocity Dispersion, Intracluster Medium, Cold Dark Matter

ASTR 121 Lecture Notes - Lecture 16: Local Group

ASTR 121 Lecture Notes - Lecture 3: Semi-Major And Semi-Minor Axes, Stellar Classification, Minute And Second Of Arc