--- title: Astrophysics description: Astrophysics applies the laws of physics to understand the universe. Learners will explore the physical properties, behaviors, and life cycles of stars, planets, galaxies, and cosmic phenomena using mathematical and scientific models. category: sciences subcategory: astronomy-and-astrophysics difficulty: beginner, intermediate, advanced url: /subject/astrophysics --- # Astrophysics Astrophysics applies the laws of physics to understand the universe. Learners will explore the physical properties, behaviors, and life cycles of stars, planets, galaxies, and cosmic phenomena using mathematical and scientific models. ## Available Resources 3 Books • 1 Courses • 6 Websites ## Websites ### 1. The Astrophysical Journal Peer-reviewed journal published by the American Astronomical Society through IOP, carrying primary research on stars, galaxies, cosmology and high-energy phenomena. Reading it exposes you to how astrophysical results are actually reported, argued and cited. **Difficulty:** Beginner | **Price:** Free **Link:** https://iopscience.iop.org/journal/0004-637X **Tags:** research-journal, peer-review, astronomy, cosmology, primary-literature ### 2. Astronomy Stack Exchange Question-and-answer site where working astronomers and physicists answer technical questions about orbits, stellar physics, observation and cosmology. Browsing highly voted answers shows how practitioners reason through problems and where common misconceptions break down. **Difficulty:** Beginner | **Price:** Free **Link:** https://astronomy.stackexchange.com/ **Tags:** q-and-a, community, astronomy, problem-solving, stack-exchange ### 3. NASA Astrophysics NASA's astrophysics division portal, covering current missions such as Hubble, Webb and Chandra alongside mission data archives and science summaries. Useful for tracking what instruments are observing now and finding the datasets behind published results. **Difficulty:** Beginner | **Price:** Free **Link:** https://science.nasa.gov/astrophysics **Tags:** nasa, space-missions, observational-astronomy, data-archives, telescopes ### 4. arxiv.org/archive/astro-ph arXiv's astro-ph archive is an open-access preprint repository for astrophysics, where researchers upload early versions of their papers. It offers searchable, downloadable PDFs across subfields like cosmology, galaxies, stars, exoplanets, and planetary science, with daily new submissions. **Difficulty:** Intermediate | **Language:** English | **Price:** Free **Link:** https://arxiv.org/archive/astro-ph **Tags:** websites, science-research, astronomy--space ### 5. aanda.org A&A.org is the website for the Astronomy & Astrophysics journal, offering access to peer‑reviewed research in astronomy and astrophysics. It includes articles (research papers, letters, reviews), as well as author guidelines, submission information, and journal news. **Difficulty:** Intermediate | **Language:** English | **Price:** Free **Link:** https://aanda.org **Tags:** websites, science-research, astronomy--space ### 6. nasa.gov NASA.gov is the official site of the U.S. space agency, offering mission news, research results, data, and STEM education resources. It features engineering articles, technical briefs, simulations, multimedia, and classroom materials for students and educators. **Difficulty:** Intermediate | **Language:** English | **Price:** Free **Link:** https://nasa.gov **Tags:** websites, engineering-manufacturing, aerospace-engineering ## Courses ### 1. Cosmic Origin of the Chemical Elements (MIT RES.8-007) **Author:** Anna Frebel Twelve short lecture videos, about 1.4 hours in total, on where the elements came from: light nuclei made in the Big Bang, fusion in stars, supernova nucleosynthesis, and how spectra of the oldest stars record the universe's chemical enrichment. **Difficulty:** Beginner | **Price:** Free **Link:** https://ocw.mit.edu/courses/res-8-007-cosmic-origin-of-the-chemical-elements-fall-2019/ **Tags:** nucleosynthesis, stellar-evolution, supernovae, big-bang, stellar-spectroscopy ## Youtubes ### 1. PBS Space Time **Author:** Matt O'Dowd A long-running PBS YouTube series hosted by astrophysicist Matt O'Dowd, working through black holes, general relativity, quantum field theory, and cosmology at a level that uses real equations and cites the underlying papers. **Difficulty:** Advanced | **Language:** English | **Price:** Free **Link:** https://www.youtube.com/c/pbsspacetime **Tags:** youtube, sciences, astronomy-&-astrophysics ## Books ### 1. An Introduction to Modern Astrophysics **Author:** Bradley W. Carroll, Dale A. Ostlie Comprehensive undergraduate textbook covering stellar structure, evolution, binary systems, the interstellar medium, galaxies and cosmology. Working through it gives you the physics and mathematics needed to read research-level astrophysics and to solve quantitative problems about stars. **Difficulty:** Intermediate | **Language:** English | **Price:** Paid **Link:** https://www.amazon.com/dp/0201547309?tag=edmonddante07-20 **Tags:** books, science-research, astronomy--space ### 2. Astrophysics for Physicists **Author:** Arnab Rai Choudhuri Graduate-level text that builds astrophysics from physics first principles, developing general relativity, plasma physics, radiative transfer and stellar structure as needed. Readers with a physics background finish able to derive astrophysical results rather than memorize them. **Difficulty:** Intermediate | **Language:** English | **Price:** Paid **Link:** https://www.amazon.com/dp/052117693X?tag=edmonddante07-20 **Tags:** books, science-research, astronomy--space ### 3. Foundations of Astrophysics **Author:** Barbara Ryden, Bradley M. Peterson Single-volume undergraduate survey spanning celestial mechanics, radiation, stars, the interstellar medium, galaxies and cosmology, with worked calculations throughout. Shorter and more accessible than Carroll and Ostlie, it suits a one-year introductory astrophysics sequence. **Difficulty:** Intermediate | **Language:** English | **Price:** Paid **Link:** https://www.amazon.com/dp/0321595580?tag=edmonddante07-20 **Tags:** books, science-research, astronomy--space --- *This content is part of Dantes.io - Your Treasure Map to Knowledge* *Curated by humans at Dantes.io. Personal study use welcome; republishing this curation requires permission (team@dantes.io).* View this page online: https://dantes.io/subject/astrophysics