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La Pérouse (crater)

La Pérouse (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 La Pérouse (crater) rather than just read about it. In short: La Pérouse is a lunar impact crater that is located near the eastern limb of the Moon. It lies northwest of the larger crater Ansgarius, and to the east of Kapteyn.

La Pérouse (crater) — main illustration
La Pérouse (crater) — illustration

Key takeaways

  • La Pérouse (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 La Pérouse (crater) to a quantity you can measure, compute or draw — that is where exam questions come from.
  • Reproduce the core statement of La Pérouse (crater) from memory before moving on to harder problems.

Reference excerpt

La Pérouse is a lunar impact crater that is located near the eastern limb of the Moon. It lies northwest of the larger crater Ansgarius, and to the east of Kapteyn. This crater appears foreshortened due to its location, but the rim is nearly circular when viewed from orbit. This formation dates to the Late Imbrian period on the lunar geologic timescale. The rim of La Pérouse is not significantly worn by subsequent impacts, and its features are well-defined. Terraces line much of the inner wall, and there is a small outer rampart. There are also small outward bulges in the rim to the south-southeast and south-southwest. Within the interior floor is a central ridge offset to the northeast of the midpoint, and this formation is somewhat elongated to the southeast. There is a small crater (La Pérouse D) in the southeastern part of the floor. The crater's name was approved by the IAU in 1935. The name is sometimes spelled 'La Peyrouse'.

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 La Pérouse.

The small but bright La Pérouse A is surrounded by a ray system (higher albedo ejecta). D lies at the south tip of the central peak, and E is a subdued crater to the east.

References

Sources

Illustrations

La Pérouse (crater) illustration
La Pérouse (crater): Oblique Apollo 12 image facing northwest. The small bright crater beyond the far rim is La Pérouse A, and beyond it in the central background is Von Behring
Oblique Apollo 12 image facing northwest. The small bright crater beyond the far rim is La Pérouse A, and beyond it in the central background is Von Behring
La Pérouse (crater): Oblique Lunar Orbiter 4 image, with a much lower sun angle
Oblique Lunar Orbiter 4 image, with a much lower sun angle
La Pérouse (crater) illustration
La Pérouse (crater) illustration

Worked examples

Example 1 — a first encounter with La Pérouse (crater)

Start with the simplest possible case. Write down what La Pérouse (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 La Pérouse (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 La Pérouse (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 La Pérouse (crater)

In research
La Pérouse (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 La Pérouse (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
La Pérouse (crater) is common in secondary-school and first-year university syllabi. It links to neighbouring topics Impact craters on the Moon, LQ21 quadrangle, so understanding it makes those chapters shorter.
In everyday life
Look for La Pérouse (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 La Pérouse (crater) in 20 minutes

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

Frequently asked questions

What is La Pérouse (crater) in simple terms?

La Pérouse is a lunar impact crater that is located near the eastern limb of the Moon. It lies northwest of the larger crater Ansgarius, and to the east of Kapteyn.

Why does La Pérouse (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 La Pérouse (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 La Pérouse (crater).

Tags

  • Impact craters on the Moon
  • LQ21 quadrangle

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