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astronomy

Maurice Hamy

Maurice Hamy is a astronomy 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 Maurice Hamy rather than just read about it. In short: Maurice Théodore Adolphe Hamy (31 October 1861, Boulogne-sur-Mer – 9 April 1936, Paris) was a French astronomer. He obtained in 1887 a doctorate from the Faculté des sciences de Paris with dissertation Étude sur la figure des corps célestes.

Maurice Hamy — main illustration
Maurice Hamy — illustration

Key takeaways

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

Reference excerpt

Maurice Théodore Adolphe Hamy (31 October 1861, Boulogne-sur-Mer – 9 April 1936, Paris) was a French astronomer. He obtained in 1887 a doctorate from the Faculté des sciences de Paris with dissertation Étude sur la figure des corps célestes. In the 1890s he applied his method of interference fringes to an analysis of errors made in astronomical observations using meridian circles. He used his interference method to confirm Barnard's measurement of the apparent diameter of Venus. Hamy participated in the creation of l'Institut d'optique théorique et appliquée (SupOptique). He won the prix Lalande in 1895. Filling the empty chair created by the death of Jules Janssen, Hamy was elected in 1908 a member of l'Académie des sciences and then in 1928 its president. He was also elected a member of the Bureau des longitudes. He is a nephew of Ernest Hamy.

References

External links M. Hamy @ Astrophysics Data System

Illustrations

Maurice Hamy: Hamy at the Fourth Conference International Union for Cooperation in Solar Research at Mount Wilson Observatory, 1910
Hamy at the Fourth Conference International Union for Cooperation in Solar Research at Mount Wilson Observatory, 1910

Worked examples

Example 1 — a first encounter with Maurice Hamy

Start with the simplest possible case. Write down what Maurice Hamy claims or describes in one sentence, then invent the smallest concrete situation in which that sentence is true. In astronomy, 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 Maurice Hamy 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 Maurice Hamy 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 Maurice Hamy

In research
Maurice Hamy appears in astronomy 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 Maurice Hamy 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
Maurice Hamy is common in secondary-school and first-year university syllabi. It links to neighbouring topics 1861 births, 1936 deaths, 19th-century French astronomers, so understanding it makes those chapters shorter.
In everyday life
Look for Maurice Hamy 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 Maurice Hamy in 20 minutes

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

Frequently asked questions

What is Maurice Hamy in simple terms?

Maurice Théodore Adolphe Hamy (31 October 1861, Boulogne-sur-Mer – 9 April 1936, Paris) was a French astronomer. He obtained in 1887 a doctorate from the Faculté des sciences de Paris with dissertation Étude sur la figure des corps célestes.

Why does Maurice Hamy matter?

Because it connects several astronomy 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 Maurice Hamy?

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 Maurice Hamy.

Tags

  • 1861 births
  • 1936 deaths
  • 19th-century French astronomers
  • 20th-century French astronomers
  • French astronomer stubs
  • Members of the French Academy of Sciences
  • Recipients of the Lalande Prize

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