astronomy

Nikolay Moiseyev

Nikolay Moiseyev 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 Nikolay Moiseyev rather than just read about it. In short: Nikolay Dmitriyevich Moiseyev (Russian: Никола́й Дми́триевич Моисе́ев; December 3(16), 1902 in Perm – December 6, 1955 in Moscow) was a Soviet astronomer and expert in celestial mechanics. In 1938, he became the chairman of the department of celestial mechanics at Moscow State University and worked on this position until his death.

Key takeaways

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

Reference excerpt

Nikolay Dmitriyevich Moiseyev (Russian: Никола́й Дми́триевич Моисе́ев; December 3(16), 1902 in Perm – December 6, 1955 in Moscow) was a Soviet astronomer and expert in celestial mechanics. In 1938, he became the chairman of the department of celestial mechanics at Moscow State University and worked on this position until his death. His main works were devoted to mathematical methods of celestial calculations and theory of comet formation. He also taught higher mathematics in Zhukovsky Air Force Engineering Academy and was a colonel-engineer of Air forces. He was the director of State Astronomic Institute named by Sternberg (1939-1943) and organized the national system of radio-signals for the exact time. His awards include Order of Lenin, Order of the Great Patriotic War and two Red Stars. The crater Moiseev on the Moon is named after him. A minor planet 3080 Moisseiev discovered by Soviet astronomer Pelageya Shajn in 1935 is named after him.

References

External links (in Russian) Biography of Nikolay Moiseyev

Illustrations

Worked examples

Example 1 — a first encounter with Nikolay Moiseyev

Start with the simplest possible case. Write down what Nikolay Moiseyev 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 Nikolay Moiseyev 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 Nikolay Moiseyev 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 Nikolay Moiseyev

In research: Nikolay Moiseyev 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 Nikolay Moiseyev 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: Nikolay Moiseyev is common in secondary-school and first-year university syllabi. It links to neighbouring topics 1902 births, 1955 deaths, Burials at Vagankovo Cemetery, so understanding it makes those chapters shorter.
In everyday life: Look for Nikolay Moiseyev 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 Nikolay Moiseyev in 20 minutes

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

Frequently asked questions

What is Nikolay Moiseyev in simple terms?

Why does Nikolay Moiseyev 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 Nikolay Moiseyev?

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 Nikolay Moiseyev.