science

Landau (crater)

Landau (crater) is a science 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 Landau (crater) rather than just read about it. In short: Landau is a large lunar impact crater that is located in the northern hemisphere on the far side of the Moon. It was named after physicist Lev Landau.

Key takeaways

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

Reference excerpt

Landau is a large lunar impact crater that is located in the northern hemisphere on the far side of the Moon. It was named after physicist Lev Landau. The crater Wegener is attached to the northeastern rim. Attached to the southeastern rim is Frost. Landau lies at the approximate margin of the Coulomb-Sarton Basin, a 530 km wide impact crater of Pre-Nectarian age. This formation dates to the Pre-Nectarian period of the lunar geologic timescale. The outer rim of Landau is heavily eroded and modified by subsequent impacts. The most notable of these is Wood, which overlays the northwest rim. Much of the floor is hilly and irregular, with only the northeast quadrant being somewhat level. There are multiple small craters and craterlets in the floor. The most intact section of the rim is in the southwest, although this is now little more than a low ridge line. The infrared spectrum of pure crystalline plagioclase has been identified on the southeast and central floor, plus the east rim. Prior to formal naming by the IAU in 1970, Landau was called Crater 97.

Satellite craters By convention these features are identified on lunar maps by placing the letter on the side of the crater midpoint that is closest to Landau.

References

Sources

Illustrations

Worked examples

Example 1 — a first encounter with Landau (crater)

Start with the simplest possible case. Write down what Landau (crater) claims or describes in one sentence, then invent the smallest concrete situation in which that sentence is true. In science, 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 Landau (crater) 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 Landau (crater) 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 Landau (crater)

In research: Landau (crater) appears in science 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 Landau (crater) 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: Landau (crater) is common in secondary-school and first-year university syllabi. It links to neighbouring topics Impact craters on the Moon, LQ03 quadrangle, so understanding it makes those chapters shorter.
In everyday life: Look for Landau (crater) 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 Landau (crater) in 20 minutes

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

Frequently asked questions

What is Landau (crater) in simple terms?

Landau is a large lunar impact crater that is located in the northern hemisphere on the far side of the Moon. It was named after physicist Lev Landau.

Why does Landau (crater) matter?

Because it connects several science 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 Landau (crater)?

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 Landau (crater).