Fall 2026

Cosmology

Introduction to cosmology covering cosmic expansion, Big Bang tests, and structure growth.

offering recorded3 credits
Recorded instructors · Fall 2026 Michael Maseda

Summary

1 / 6

Historical reviews of Elena D''Onghia: The workload is manageable if students pay attention in lectures and complete the homework assignments.

Grade history

average GPA
letter grades
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AB
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All recorded terms · compare terms & instructors

Prerequisites

Course map

ASTRON 200 and (PHYSICS 241, 249,PHYSICS/​E C E 235, or concurrent enrollment)

ASTRON 335 used by

“Used by” includes alternatives; linked courses may have other requirements. This is a best-effort interpretation; check the catalog requirements above.

Prerequisite text tree

Professors

Fall 2026

Recent recorded grades — Spring 2022: 3.42 GPA, 74.2% A/AB (n=31 letter grades); Fall 2023: 3.14 GPA, 61.1% A/AB (n=18 letter grades).

Historical instructors & teaching patterns

Historical review of Elena D'Onghia indicates her teaching style was effective for attentive students who completed homework, resulting in an easy experience. The reviewer noted that peers who disliked the course made little effort to learn the material.

ELENA D'ONGHIA is recorded teaching in Spring 2014, Spring 2016, Spring 2018, Fall 2024. Recorded history may be incomplete and does not establish a future schedule.

MICHAEL MASEDA is recorded teaching in Spring 2022, Fall 2023. Recorded history may be incomplete and does not establish a future schedule.

Recorded history may be incomplete and does not establish a future schedule.

Calendar & sections

Fall 2026

Schedule loads here as you scroll.

SectionModeEnrolled / capacityWaitlist
LEC 001Classroom Instruction25 / 500

Times are Central. Select a meeting for details; export includes recorded dates for the selected sections. Enrollment reflects scan time.

Meeting source records

Student experience

the class

Historical reviews for Elena D'Onghia describe a well-structured course where success is achievable through lecture attendance and homework completion.

Recent recorded grades — Fall 2023: 3.14 GPA, 61.1% A/AB (n=18 letter grades); Fall 2024: 3.72 GPA, 87.0% A/AB (n=23 letter grades); Fall 2025: 3.68 GPA, 81.8% A/AB (n=11 letter grades).

difficulty & workload

Historical reviews of Elena D''Onghia: The workload is manageable if students pay attention in lectures and complete the homework assignments.

Historical reviews of Elena D''Onghia: Students who put in effort report learning a lot and having a positive experience with the course structure.

Topics

  • Distribution of matter on largest scales
  • Nucleosynthesis and Big Bang tests
  • Gravitational collapse and structure growth

Skills

  • Making observations in expanding curved spacetime
  • Applying equations for cosmic expansion

Grades

Latest available · Fall 2025— not enough history to project Fall 2026.

average GPA
A / AB grades
letter grades
Instructor

Grade distribution · % of letter grades

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AB
B
BC
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Grades over time

Through Fall 2025

More grade details Grade mix, volume & source data

Not enough comparable courses for Fall 2026 in UW–Madison.

Sources & history

UW–Madison

Catalog & offerings

Descriptions, prerequisites, and recorded course offerings.

Catalog observation history

Observations at scan time; dates do not imply when a catalog change took effect.

Selected offering source records
ASTRON 335 · Fall 2026

Cosmology

Recorded 2026-09-07
Raw records
[
  {
    "run_id": "20260907T155543-ce3781c4",
    "semester": "1272",
    "observed_at": "2026-09-07 15:55:43.033547+00:00",
    "offering_id": "1272:188:021677",
    "course_id": "ASTRON 335",
    "course_uid": "course_c472fbe6869ad1d63da6ac46",
    "term_id": "1272",
    "source_course_id": "021677",
    "source_subject_id": "188",
    "title": "Cosmology",
    "credits_min": 3,
    "credits_max": 3,
    "typically_offered": "Spring"
  }
]
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Student reviews

Original comments behind the course and instructor summaries.

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Madgrades

Grade history

Recorded grade distributions by term, section, and instructor.

Explore recorded grades
Model outputs & technical records
nvidia/Qwen3.6-35B-A3B-NVFP4
LLM outputs across runs
Full model traces

Recorded model configuration, reasoning, and tool conversations.

Model & dataset provenance
{
  "model": "nvidia/Qwen3.6-35B-A3B-NVFP4",
  "model_revision": "1355db6a052410cfd62085d94b58866fd0f2c3c5",
  "task_version": "14",
  "output_id": "d4a4f763ac01e5a52ef0d33214081277f87ee83fd2babdfbf042e7558a66c108",
  "requirements_status": "valid",
  "dataset_revision": "e243353dcb7d79b7247ced91d69443ef4c2a6349",
  "observed_at": "2026-09-07 15:55:43.033547+00:00"
}