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Kramers (crater)

Kramers (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 Kramers (crater) rather than just read about it. In short: Kramers is an old lunar impact crater that is located on the northern hemisphere on the far side of the Moon. It lies some distance to the west of the larger crater Coulomb, and to the northwest of the smaller Weber, and it was named after Hendrik Anthony Kramers, a Dutch physicist, in 1970.

Kramers (crater) — main illustration
Kramers (crater) — illustration

Key takeaways

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

Reference excerpt

Kramers is an old lunar impact crater that is located on the northern hemisphere on the far side of the Moon. It lies some distance to the west of the larger crater Coulomb, and to the northwest of the smaller Weber, and it was named after Hendrik Anthony Kramers, a Dutch physicist, in 1970. The outer rim of Kramers is heavily eroded and worn, although the perimeter of the original crater can be readily discerned. The younger, but comparably sized formation Kramers C intrudes into the northeast rim, and the two form a crater pair. The later crater has a terraced inner wall and a central peak at the midpoint. Kramers lies within the Coulomb-Sarton Basin, a 530 km wide impact crater of Pre-Nectarian age.

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 Kramers.

References

Sources

Illustrations

Kramers (crater) illustration
Kramers (crater): Oblique Lunar Orbiter 5 image of Kramers (left) and Kramers C (right), facing west
Oblique Lunar Orbiter 5 image of Kramers (left) and Kramers C (right), facing west

Worked examples

Example 1 — a first encounter with Kramers (crater)

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

In research
Kramers (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 Kramers (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
Kramers (crater) is common in secondary-school and first-year university syllabi. It links to neighbouring topics Impact craters on the Moon, LQ02 quadrangle, so understanding it makes those chapters shorter.
In everyday life
Look for Kramers (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 Kramers (crater) in 20 minutes

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

Frequently asked questions

What is Kramers (crater) in simple terms?

Kramers is an old lunar impact crater that is located on the northern hemisphere on the far side of the Moon. It lies some distance to the west of the larger crater Coulomb, and to the northwest of the smaller Weber, and it was named after Hendrik Anthony Kramers, a Dutch physicist, in 1970.

Why does Kramers (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 Kramers (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 Kramers (crater).

Tags

  • Impact craters on the Moon
  • LQ02 quadrangle

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