ASTR 145High-Energy Astrophysics
Astronomy · 4 units · Undergraduate upper division (100-199)
Designed for upper-division Astrophysics and Physics majors. Introduction to high-energy universe, with overview of sources of high energy (X-ray and gamma-ray) emission. Covers importance of energetic particles in galaxy and connection of high-energy astronomy to cosmology and particle physics.
P/NP or letter grading.
When it runs
- Fall 2026
Scheduled, not typical — from UCLA’s Schedule of Classes, which publishes Fall 2025 through Spring 2027 and nothing before it.
Requisites
Official UCLA wording
Requisites: Physics 17, 110A, 115A. Corequisites: Physics 110B, 115B.
BruinTree reads · Corequisite
confidence 1.00 · from UCLA’s structured dataBruinTree reads · Prerequisite
confidence 1.00 · from UCLA’s structured dataRequires
Everything that has to come before this course, not just the courses named in the requisite above.
ASTR 145
- PHYSICS 17Modern Physics
- PHYSICS 1APhysics for Scientists and Engineers: Mechanics
- PHYSICS 1AHPhysics for Scientists and Engineers: Mechanics (Honors)
- PHYSICS 1BPhysics for Scientists and Engineers: Oscillations, Waves, Electric and Magnetic Fields
- MATH 31BIntegration and Infinite Series
- PHYSICS 1BHPhysics for Scientists and Engineers: Oscillations, Waves, Electric and Magnetic Fields (Honors)
- PHYSICS 1CPhysics for Scientists and Engineers: Electrodynamics, Optics, and Special Relativity
- PHYSICS 1CHPhysics for Scientists and Engineers: Electrodynamics, Optics, and Special Relativity (Honors)
- PHYSICS 110AElectricity and Magnetism
- PHYSICS 32Mathematical Methods
- PHYSICS 110BElectricity and Magnetism
- PHYSICS 105BAnalytic Mechanics
- PHYSICS 115AQuantum Mechanics
- PHYSICS 105AAnalytic Mechanics
- MATH 33BDifferential Equations
- PHYSICS 115BQuantum Mechanics
5 direct requisites. Showing 48 courses over 3 levels; the branches marked with a count carry on past it. Every course here opens its own tree.
Unlocks
What this course is a requisite for, and what those courses lead to in turn.
No course in the catalog lists this as a requisite.