iTechGuides is reader-supported. When you buy through links on our site, we may earn an affiliate commission. As an Amazon Associate I earn from qualifying purchases. Learn more
To become an astrophysicist, build your strongest foundation in physics and mathematics. Study mechanics, electricity and magnetism, thermodynamics, quantum physics, calculus, linear algebra, multivariable calculus, and differential equations. Add astronomy, programming, data analysis, research experience, and clear communication. A physics or astronomy degree can be a suitable undergraduate route; independent research positions typically require a PhD.
Start with physics and mathematics
Astrophysics applies physical principles and mathematical methods to questions about stars, planets, galaxies, and the universe. The core preparation is therefore not just learning the names of celestial objects: it is learning how to describe physical systems, work with evidence, and reason quantitatively. The American Astronomical Society (AAS) describes extensive mathematics and a substantial physics background as important preparation for research astronomy. Its career and education guidance outlines the core subjects and pathways discussed here: About a Career in Astronomy and Planning Your Education.
There is no single required undergraduate major or identical course checklist for every student. Requirements differ by country, institution, and graduate program. Use the subjects below as a preparation map, then compare the actual courses and research opportunities offered by the programs you are considering.
Recommended Free Tools
Which physics subjects matter most?
Mechanics
Mechanics is the study of motion and forces. It gives you tools for understanding how objects move and how forces change their motion—ideas that underpin the study of orbits and many other astronomical systems. In a physics or astronomy degree, look for a rigorous mechanics course, often followed by more advanced physics electives.
#1 Best Overall
- Read Before You Buy — No Video Output: These adapters support charging and USB 2.0 data transfer, but cannot transmit video signals. Except for standard USB webcams (which use USB data only), they are not compatible with HDMI/DisplayPort cables, video-capable USB-C hubs, or docking stations with video output.
- Convert USB-A Ports to USB-C: Designed to connect USB-C earphones, cables, flash drives, card readers, and other USB-C accessories to standard USB-A ports. Plug-and-play with no drivers or software required.
- Aluminum Alloy Housing: Built with a sturdy aluminum alloy shell that aids in heat dissipation and protects against daily wear and scratches. Designed to maintain a stable and secure connection.
- Compact & Travel-Friendly: The ultra-compact design allows the adapter to stay plugged into your device without blocking adjacent ports or adding bulk, reducing wear and tear on your original USB ports.
- 12-Month Warranty: Backed by a 12-month manufacturer warranty for peace of mind. Designed to meet strict quality control standards for reliable everyday performance.
Electricity and magnetism
Electricity and magnetism provide a foundation for understanding electromagnetic fields and radiation. They are central parts of the standard preparation for physics and astronomy graduate study. Check that a program offers a full course in this area rather than assuming the word “astrophysics” in a degree title guarantees the depth you need.
Thermodynamics and statistical mechanics
Thermodynamics studies heat, energy, and the behavior of physical systems. Statistical mechanics connects the properties of many particles to the larger-scale behavior of a system. AAS education guidance identifies thermodynamics as part of typical undergraduate preparation and also names statistical mechanics among subjects relevant to graduate preparation.
Quantum, atomic, and nuclear physics
Quantum physics is another important part of the physics foundation. Atomic and nuclear physics extend that preparation into areas also named in AAS guidance for graduate study. These topics help prepare students for advanced work in astronomy, although the balance of courses will depend on the institution and the student’s eventual specialty.
Quick wins for a faster PC:
Fix the driver behind crashes, sound loss and screen glitchesFind Drivers →Repair Windows errors before they cause bigger problemsFix Now →Laboratory work
Include physics laboratory courses in your plan. Research requires more than understanding equations: students also need experience working with measurements and evidence. AAS career guidance describes undergraduate research that can involve analyzing astronomy data, writing code, or working on theoretical problems; laboratory coursework adds a different kind of practical scientific preparation.
Rank #2
- 5-in-1 USB-C Hub: Experience comprehensive connectivity featuring a Power Delivery input, two USB-A 2.0 ports, a USB-A 3.0 port, and an HDMI port. (Note: The USB-C power delivery input port is only for connecting an external wall charger to power your laptop and cannot power peripheral devices.)
- 90W Pass-Through Charging: Achieve optimal charging with 90W pass-through power to your laptop, supported by a total input of 100W, with the hub reserving 10W for operational efficiency. (Note: Wall charger not included.)
- Quick Data Transfers: Accelerate your productivity with rapid data transfers using a high-speed 5Gbps USB 3.0 port and two 480Mbps USB 2.0 ports.
- 4K HDMI Display: Enhance your visual experience with a hub capable of delivering 4K resolution at 30Hz in both mirror and extend modes. Please note that this hub is compatible with MacBook (macOS 12 and newer), Windows 10 and 11, ChromeOS, and laptops equipped with DP Alt Mode and Power Delivery. Note: This device is not compatible with Linux.
- What You Get: Anker USB-C Hub (5-in-1, 4K HDMI), welcome guide, 18-month warranty, and our friendly customer service.
What mathematics should you take?
Plan for mathematics at least through the standard advanced undergraduate preparation expected in physics: calculus, linear algebra, multivariable calculus, and differential equations. The exact course names and order differ among institutions, so compare degree plans rather than relying on a major label.
- Calculus: Builds the foundation for describing change and solving quantitative problems in physics.
- Linear algebra: Teaches methods for working with vectors, matrices, and systems of equations.
- Multivariable calculus: Extends calculus to functions involving multiple variables.
- Differential equations: Provides methods for describing systems whose behavior changes over time or space.
These are not optional extras for someone aiming at research astrophysics. AAS guidance identifies this mathematics sequence as typical preparation for physics study and emphasizes that research astronomers need extensive mathematical knowledge. If your intended graduate program has published prerequisites, check those directly: a course sequence that is adequate at one institution may not match another program’s expectations.
Should you major in physics or astronomy?
Either can be a sound route if the curriculum gives you strong physics and mathematics preparation. A physics major can include astronomy courses or a concentration; an astronomy or astrophysics major can work well when it includes substantial physics. Some institutions house astrophysics within physics departments, so the relevant program may not be named “astrophysics.” The AAS lists astronomy-related degree programs across different kinds of departments: College Departments Offering Astronomy Related Degrees.
What’s actually slowing this PC down?
Pick the symptom - the matching free tool is one click away.
| Route | What to check | Potential gap to address |
|---|---|---|
| Physics major | Core physics and mathematics depth, plus access to astronomy courses, faculty, and research. | You may need to add astronomy coursework or seek astronomy-related research experience. |
| Astronomy or astrophysics major | Whether the required physics and mathematics courses are rigorous enough for advanced study. | You may need additional physics or mathematics coursework if the major emphasizes other areas. |
| Engineering or computer science background | Whether the program provides a route into graduate physics or astronomy study. | Course gaps in physics and mathematics may need to be filled before or during further study. |
The right comparison is between actual course plans, not the apparent prestige or wording of a major. Review required classes, electives, access to research, and the prerequisites of graduate programs you may later apply to. The AAS notes that related backgrounds, including engineering or computer science, can also lead toward graduate study, while gaps in preparation may need attention.
Rank #3
- Sleek 7-in-1 USB-C Hub: Features an HDMI port, two USB-A 3.0 ports, and a USB-C data port, each providing 5Gbps transfer speeds. It also includes a USB-C PD input port for charging up to 100W and dual SD and TF card slots, all in a compact design.
- Flawless 4K@60Hz Video with HDMI: Delivers exceptional clarity and smoothness with its 4K@60Hz HDMI port, making it ideal for high-definition presentations and entertainment. (Note: Only the HDMI port supports video projection; the USB-C port is for data transfer only.)
- Double Up on Efficiency: The two USB-A 3.0 ports and a USB-C port support a fast 5Gbps data rate, significantly boosting your transfer speeds and improving productivity.
- Fast and Reliable 85W Charging: Offers high-capacity, speedy charging for laptops up to 85W, so you spend less time tethered to an outlet and more time being productive.
- What You Get: Anker USB-C Hub (7-in-1), welcome guide, 18-month warranty, and our friendly customer service.
What should you study at each stage?
In high school
Take mathematics through precalculus if it is available, as well as physics and chemistry. The AAS recommends this grounding for students who plan to major in astronomy or physics. Advanced placement calculus or physics can be useful preparation, but it is not described as a universal requirement; follow your school’s course sequence and the admissions guidance for colleges you are considering.
As an undergraduate
Choose a physics or astronomy-related degree whose requirements cover the necessary core, then use electives to close gaps and build relevant skills. A typical preparation plan includes mechanics; electricity and magnetism; thermodynamics; quantum physics; laboratory courses; calculus; linear algebra; multivariable calculus; and differential equations. Add astronomy coursework and computer science or programming when possible.
Seek research experience when an opportunity is available. AAS career guidance describes undergraduate work involving code, astronomy data analysis, and theoretical research problems. Department projects or undergraduate research programs can help you discover what research work involves and practice applying course knowledge. The available opportunities will vary by institution, so ask departments about access and mentorship rather than assuming every major provides the same experience.
In graduate school
For independent research astronomy positions, plan for graduate study and typically a PhD in astronomy, astrophysics, physics, or a closely related field. Graduate work becomes more specialized: AAS guidance describes coursework followed by supervised projects and dissertation research. The subject emphasis and admissions prerequisites vary by institution and research specialty, so check the requirements of each program rather than treating this outline as a universal admissions rule.
Rank #4
- Dual Converters, Infinite Potential：Includes 2× USB C male to USB A female adapters and 2× USB A male to USB C female adapters. Perfect for a wide range of uses—tablets with Bluetooth keyboards, expand USB ports on macbook, and more. Two different converters for all your daily needs
- Next-Level 10Gbps & 3A Charging: No more slow 480Mbps, this usb to usb c adapter has a transfer speed of up to 10Gbps, allowing you to do more transferring in less time. This usb adapter fits both USB A and USB C charger, supporting up to 3A fast charging
- Upgraded Exquisite Craftsmanship: With an aluminum alloy housing and metal connector, the usbc to usb adapter is extremely durable and sturdy. Rigorously tested to withstand more than 10,000 times of plugging and unplugging, ensuring long-lasting performance
- Broad Compatible: The usb c to usb adapter widely supports all USB C/ USB A devices like laptops, tablets, cellphones, car chargers, and phone chargers. Such as compatible with MacBook Pro/Air 2023/2022, Thunderbolt 4/3 Devices,Apple MagSafe Watch 9/8/7/SE/Ultra, iPad Pro 2022/2021, Samsung Galaxy S23/S20/S10, and iPhone 17/16/15 Pro. Plug and play
- Please Note: To reach 10Gbps speed, keep the cable under 3.3 ft. For USB A Male to USB C adapters, try flipping the USB C connector. USB C Male to USB A adapters support bidirectional 10Gbps transfer within 3.3 ft
Build computing and communication alongside coursework
Programming and data analysis are useful complements to physics and mathematics. Astronomy research may involve working with observational data, writing code, or developing and interpreting theoretical work. Computer science courses can help you develop these skills, while projects and research placements let you practice using them in a scientific context. The specific tools and programming languages required are not uniform across all astrophysics programs or specialties, so prioritize transferable computational problem-solving rather than assuming one language is mandatory.
Clear writing and communication matter too. Research involves explaining methods and results to other people, whether through written work, presentations, or collaboration. Build those skills through lab reports, research projects, and coursework that asks you to communicate technical ideas. They support your scientific work; they do not replace the physics and mathematics foundation.
Independent reader supportYour contribution helps us test, update, and keep practical guides available for everyone.How to compare college programs
When comparing programs, look beyond the department name and ask how well each one prepares students for the next step you want to take. Use this checklist when reviewing degree requirements and speaking with departments:
The Tool Desk
Outbyte PC Repair FREERepair Windows errors before they cause bigger problemsFix Now →Outbyte Driver Updater FREEScan for outdated or missing drivers - takes under a minuteDriver Scan →- Physics depth: Are mechanics, electricity and magnetism, thermodynamics, and quantum physics included?
- Mathematics sequence: Can you complete calculus, linear algebra, multivariable calculus, and differential equations?
- Astronomy access: Are astronomy or astrophysics courses, faculty, and research available, either in a dedicated department or through physics?
- Computational preparation: Can you build programming, data-analysis, and simulation skills?
- Research access and mentoring: Can undergraduates join projects or internships, and how do students find those opportunities?
- Graduate preparation: Do the courses align with the prerequisites of graduate programs you might target?
- Flexibility: If the major’s required courses leave a gap, can you fill it with electives or courses in another department?
When possible, compare published degree requirements with current graduate admissions pages. Ask a department advisor how students gain research experience and whether a proposed course plan leaves enough room for the subjects you need. This helps distinguish a program that simply offers astronomy-themed classes from one that also provides the physics, mathematics, and research preparation needed for advanced study.
Best Value
- 5-in-1 Connectivity: Equipped with a 4K HDMI port, a 5 Gbps USB-C data port, two 5 Gbps USB-A ports, and a USB C 100W PD-IN port. Note: The USB C 100W PD-IN port supports only charging and does not support data transfer devices such as headphones or speakers.
- Powerful Pass-Through Charging: Supports up to 85W pass-through charging so you can power up your laptop while you use the hub. Note: Pass-through charging requires a charger (not included). Note: To achieve full power for iPad, we recommend using a 45W wall charger.
- Transfer Files in Seconds: Move files to and from your laptop at speeds of up to 5 Gbps via the USB-C and USB-A data ports. Note: The USB C 5Gbps Data port does not support video output.
- HD Display: Connect to the HDMI port to stream or mirror content to an external monitor in resolutions of up to 4K@30Hz. Note: The USB-C ports do not support video output.
- What You Get: Anker 332 USB-C Hub (5-in-1), welcome guide, our worry-free 18-month warranty, and friendly customer service.
Does becoming an astrophysicist require a PhD?
It depends on the role. A research astronomer or faculty career commonly requires a doctorate, and AAS career guidance describes the PhD as the typical preparation for independent research positions. Some telescope operations, software, and other support roles may be open to applicants with a bachelor’s or master’s degree. These are different kinds of work, so decide whether your goal is to lead independent research or to contribute in a technical or support role before choosing how far to study.
For the broader career context and examples of work in the field, see the AAS pages on careers in astronomy and careers in the astronomical sciences. Degree expectations depend on the position; a lower degree requirement for some support work should not be confused with the usual preparation for independent research.
What the US degree trend does—and does not—tell you
The AAS reported nearly 1,000 astronomy and astrophysics bachelor’s degree recipients per year in the United States, roughly five times the number in 2000. Its 2 September 2026 announcement says the report draws on 78 US institutions, 66 of which offer undergraduate degrees in astronomy and/or astrophysics: The Astronomy Major Is Booming. This describes degrees awarded, not an individual student’s chance of admission, employment, or success in the field. It is also a US-specific figure; degree structures and career pathways differ elsewhere.
A practical course-planning sequence
- Build the school foundation: Take mathematics through precalculus where available, plus physics and chemistry.
- Compare undergraduate degree plans: Identify a physics or astronomy-related major that covers the core mathematics and physics subjects, not just introductory astronomy.
- Fill the curriculum with the core: Plan for mechanics, electricity and magnetism, thermodynamics, quantum physics, laboratory work, calculus, linear algebra, multivariable calculus, and differential equations.
- Add complementary study: Include astronomy electives, programming, and data-analysis opportunities where your schedule allows.
- Gain research exposure: Ask about undergraduate projects, internships, or department research opportunities.
- Check the next-step requirements: If you want independent research, review relevant graduate program prerequisites and plan for doctoral study; if you prefer a technical or support role, check the qualifications for the specific work you want.
The strongest preparation is a coherent sequence: first the mathematics and physics that make advanced study possible, then astronomy, computation, and research experience that help you apply them. Use the course catalog and graduate prerequisites—not the major name alone—to judge whether a program fits your goal.
Quick Recap
Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on Amazon at the time of purchase will apply.
