physics

Sheperd S. Doeleman

Sheperd S. Doeleman is a physics topic covered in the lgStudy science library. This page brings together a partial reference excerpt, illustrations, worked examples, real-world applications and a short study plan, so you can understand Sheperd S. Doeleman rather than just read about it. In short: Sheperd "Shep" S. Doeleman (born 1967) is an American astrophysicist.

Key takeaways

Sheperd S. Doeleman belongs to physics; place it in that map before memorising details.
Learn the definition first, then one example that makes the definition concrete.
Connect Sheperd S. Doeleman to a quantity you can measure, compute or draw — that is where exam questions come from.
Reproduce the core statement of Sheperd S. Doeleman from memory before moving on to harder problems.

Reference excerpt

Sheperd "Shep" S. Doeleman (born 1967) is an American astrophysicist. His research focuses on imaging supermassive black holes with sufficient resolution to directly observe the event horizon. He is a senior research fellow at the Harvard–Smithsonian Center for Astrophysics and the Founding Director of the Event Horizon Telescope (EHT) project. He led the international team of researchers that produced the first directly observed image of a black hole. Doeleman was named one of Time magazine's 100 Most Influential People of 2019.

Background He was born in Wilsele in Belgium to American parents. The family returned to the United States a few months later, and he grew up in Portland, Oregon. He was later adopted by his stepfather Nelson Doeleman.

Career and research He earned a B.A. at Reed College in 1986 and then spent a year in Antarctica working on multiple space-science experiments at McMurdo Station. He then went on to earn a PhD in astrophysics at the Massachusetts Institute of Technology (MIT) in 1995; his dissertation was titled Imaging Active Galactic Nuclei with 3mm-VLBI. He has worked at the Max Planck Institute for Radio Astronomy in Bonn and returned to MIT in 1995, where he later became assistant director of the Haystack Observatory. His research has focused in particular on problems that require ultra-high resolving power. He is known for heading the group of over 200 researchers at research institutions in several countries that produced the first aperture synthesis image of a black hole.

Selected publications Doeleman S.S., et al. (2008). Event-horizon-scale structure in the supermassive black hole candidate at the Galactic Centre. Nature 455: 78–80. Doeleman S.S., et al. (2012). Jet-Launching Structure Resolved Near the Supermassive Black Hole in M87. Science 338: 355–358. Doeleman S.S., et al. (2009). Detecting Flaring Structures in Sagittarius A* with High-Frequency VLBI. Astrophys.J 695: 59–74.

Awards Guggenheim Fellow, 2012 2020 Breakthrough Prize in Fundamental Physics (one share; prize shared equally among 347 scientist of the EHT) 2020 Lancelot M. Berkeley - New York Community Trust Prize for Meritorious Work in Astronomy, 2020 Bruno Rossi Prize, to Doeleman and the EHT 2021 Henry Draper Medal, shared with Heino Falcke 2023 Prix Georges Lemaître

References

External links Oral history interview transcript with Sheperd Doeleman on 21 May 2021, American Institute of Physics, Niels Bohr Library & Archives

Worked examples

Example 1 — a first encounter with Sheperd S. Doeleman

Start with the simplest possible case. Write down what Sheperd S. Doeleman claims or describes in one sentence, then invent the smallest concrete situation in which that sentence is true. In physics, the smallest case is usually a single object, a single equation or a single measurement. Check that every symbol or term in your sentence has a meaning in that case.

Example 2 — changing one variable

Take the situation from Example 1 and change exactly one quantity: double it, halve it, or set it to zero. Predict what should happen to Sheperd S. Doeleman before you calculate. Comparing your prediction with the result is the fastest way to find out whether you understand the idea or only the words.

Example 3 — an exam-style question

Typical questions about Sheperd S. Doeleman ask you to (a) state it precisely, (b) apply it to given data, and (c) explain a limitation. Practise writing all three answers in under five minutes; the third part is what separates a full-mark answer from an average one.

Applications of Sheperd S. Doeleman

In research: Sheperd S. Doeleman appears in physics research whenever the underlying quantities have to be modelled precisely. Papers usually cite it as a starting assumption and then explore where it breaks down.
In technology and industry: Engineering practice reuses Sheperd S. Doeleman in design rules, simulations and safety margins. Knowing the idea lets you read a specification sheet and understand why the numbers look the way they do.
In the classroom: Sheperd S. Doeleman is common in secondary-school and first-year university syllabi. It links to neighbouring topics 1967 births, 20th-century American astronomers, 20th-century American physicists, so understanding it makes those chapters shorter.
In everyday life: Look for Sheperd S. Doeleman outside the textbook — in sport, cooking, traffic, electronics or the sky above you. An example you found yourself is remembered far longer than one you were given.

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How to study Sheperd S. Doeleman in 20 minutes

Read the reference excerpt below once, without taking notes.
Close the page and write down what Sheperd S. Doeleman means in your own words.
Compare your version with the excerpt and mark what you missed.
Work through the three examples above with pen and paper.
Explain Sheperd S. Doeleman out loud to somebody else — or to Teacher Smith in the lgStudy chat.

Frequently asked questions

What is Sheperd S. Doeleman in simple terms?

Sheperd "Shep" S. Doeleman (born 1967) is an American astrophysicist.

Why does Sheperd S. Doeleman matter?

Because it connects several physics ideas at once: it gives you a definition you can apply, a quantity you can calculate, and a way to check whether a result is plausible.

How should I study Sheperd S. Doeleman?

Read the excerpt, restate it from memory, then work through the examples and applications listed on this page. The five-step study plan above takes about twenty minutes.

What does this page cover?

It gives you a compact reference excerpt plus original lgStudy explanations, examples, applications and study material on Sheperd S. Doeleman.