physics

Reinhard Genzel

Reinhard Genzel 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 Reinhard Genzel rather than just read about it. In short: Reinhard Genzel (German pronunciation: [ˈʁaɪnhaʁt ˈɡɛntsl̩] ; born 24 March 1952) is a German astrophysicist, co-director of the Max Planck Institute for Extraterrestrial Physics, a professor at LMU Munich and an emeritus professor at the University of California, Berkeley. He was awarded the 2020 Nobel Prize in Physics "for the discovery of a supermassive compact object at the centre of our galaxy", which he shared…

Key takeaways

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

Reference excerpt

Reinhard Genzel (German pronunciation: [ˈʁaɪnhaʁt ˈɡɛntsl̩] ; born 24 March 1952) is a German astrophysicist, co-director of the Max Planck Institute for Extraterrestrial Physics, a professor at LMU Munich and an emeritus professor at the University of California, Berkeley. He was awarded the 2020 Nobel Prize in Physics "for the discovery of a supermassive compact object at the centre of our galaxy", which he shared with Andrea Ghez and Roger Penrose. In a 2021 interview given to Federal University of Pará in Brazil, Genzel recalls his journey as a physicist; the influence of his father, Ludwig Genzel; his experiences working with Charles H. Townes; and more.

Life and career Genzel was born in Bad Homburg vor der Höhe, Germany, the son of Eva-Maria Genzel and Ludwig Genzel, a professor of solid state physics (1922–2003). He studied physics at the University of Freiburg and the University of Bonn, graduating in 1978 with a PhD in radioastronomy which he prepared at the Max Planck Institute for Radio Astronomy. Subsequently he worked at the Center for Astrophysics | Harvard & Smithsonian in Cambridge, Massachusetts. He was a Miller Fellow from 1980 until 1982, and also Associate and finally Full Professor in the Department of Physics at the University of California, Berkeley from 1981. In 1986, he left Berkeley to become a director at the Max Planck Institute for Extraterrestrial Physics in Garching and Scientific Member of the Max-Planck-Gesellschaft. During that time he also lectured at LMU Munich, where he has been Honorary Professor since 1988. From 1999 to 2016, he also had a part-time joint appointment as Full Professor at the University of California, Berkeley. Additional activities include sitting on the selection committee for the Shaw Prize in astronomy.

Work Reinhard Genzel studies infrared- and submillimetre astronomy. He and his group are active in developing ground- and space-based instruments for astronomy. They used these to track the motions of stars at the centre of the Milky Way, around Sagittarius A*, and show that they were orbiting a very massive object, now known to be a black hole. Genzel is also active in studies of the formation and evolution of galaxies. In July 2018, Reinhard Genzel et al. reported that star S2 orbiting Sgr A* had been recorded at 7,650 km/s or 2.55% the speed of light leading up to the pericentre approach in May 2018 at about 120 AU ≈ 1400 Schwarzschild radii from Sgr A*. This allowed them to test the redshift predicted by general relativity at relativistic velocities, finding additional confirmation of the theory.

Awards

Studienstiftung des deutschen Volkes, 1973–1975 Miller Research Fellowship, 1980–1982 Otto Hahn Medal, Max-Planck-Gesellschaft, 1980 Presidential Young Investigator Award, National Science Foundation, 1984 Newton Lacy Pierce Prize, American Astronomical Society, 1986 Gottfried Wilhelm Leibniz Prize, Deutsche Forschungsgemeinschaft, 1990 De Vaucouleurs Medal, University of Texas, 2000 Prix Jules Janssen, Société astronomique de France (French Astronomical Society), 2000 Stern Gerlach Medal for experimental physics, Deutsche Physikalische Gesellschaft, 2003 Balzan Prize for Infrared Astronomy, 2003 Albert Einstein Medal, 2007 Shaw Prize, 2008 "Galileo 2000" Prize, 2009 Dr. h.c. Leiden University, 2010 Karl Schwarzschild Medal, Deutsche Astronomische Gesellschaft, 2011 Crafoord Prize, Royal Swedish Academy, 2012 Tycho Brahe Prize, European Astronomical Society, 2012 Pour le Mérite, 2013 Dr. h.c. University of Paris, 2014 Harvey Prize, Technion Institute, Israel, 2014 Herschel Medal, Royal Astronomical Society, 2014 Nobel Prize in Physics, 2020 Bavarian Maximilian Order for Science and Art, 2021 Dr. h.c. Grenoble Alpes University, 2023 Rectorat's Medal University of Chile, 2025 Bavarian Constitutional Order, 2025

Membership of scientific societies Fellow of the American Physical Society, 1985 Foreign member of the Académie des Sciences (Institut de France), 1998 Foreign member of the United States National Academy of Sciences, 2000 Member of the Deutsche Akademie der Naturforscher Leopoldina, 2002 Senior member of the Bayerische Akademie der Wissenschaften, 2003 Member of the Royal Academy of Exact, Physical and Natural Sciences of Spain, 2010 Foreign member of the Royal Spanish Academy of Sciences, 2011 Foreign member of the Royal Society of London, 2012 Member of the Pontifical Academy, 2020

References

External links

Genzel's Homepage at MPE Genzel's Profile at the MPG The Balzan-Stiftung award Black Holes and Galaxies 27 July 2009 – ANU podcast mp3 also available as video on youtube Black Holes and Galaxies: Professor Reinhard Genzel – ANU TV on youtube Reinhard Genzel in Hyde Park Civilization on ČT24 1.7.2023 (moderator Daniel Stach) Reinhard Genzel on Nobelprize.org

Illustrations

Worked examples

Example 1 — a first encounter with Reinhard Genzel

Start with the simplest possible case. Write down what Reinhard Genzel 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 Reinhard Genzel 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 Reinhard Genzel 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 Reinhard Genzel

In research: Reinhard Genzel 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 Reinhard Genzel 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: Reinhard Genzel is common in secondary-school and first-year university syllabi. It links to neighbouring topics 1952 births, Albert Einstein Medal recipients, Fellows of the American Physical Society, so understanding it makes those chapters shorter.
In everyday life: Look for Reinhard Genzel 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 Reinhard Genzel in 20 minutes

Read the reference excerpt below once, without taking notes.
Close the page and write down what Reinhard Genzel 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 Reinhard Genzel out loud to somebody else — or to Teacher Smith in the lgStudy chat.

Frequently asked questions

What is Reinhard Genzel in simple terms?

Why does Reinhard Genzel 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 Reinhard Genzel?

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 Reinhard Genzel.