science

Lansberg (crater)

Lansberg (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 Lansberg (crater) rather than just read about it. In short: Lansberg is a lunar impact crater on the Mare Insularum. Describing the rim, Thomas William Webb said that "it rises very gradually without, but is steep and terraced within".

Key takeaways

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

Reference excerpt

Lansberg is a lunar impact crater on the Mare Insularum. Describing the rim, Thomas William Webb said that "it rises very gradually without, but is steep and terraced within". On the lunar geologic timescale, Lansberg is a crater of Upper (Late) Imbrian age. The crater has a high rim and a central mountain. There are terraces along the inner walls, and the tops have slumped to produce a sharp edge. This formation is not noticeably eroded, and there are no significant impact craters within the interior. The crater is correctly spelled "Lansberg", but has sometimes been written "Landsberg" instead. It is named for the Belgian/Dutch astronomer Philippe van Lansberge (1561-1632). This designation was formally adopted by the International Astronomical Union in 1935. Approximately 40 km to the southeast of Lansberg is the landing site of the Luna 5 probe, and a further 60 km in the same direction is the landing site of Surveyor 3 and Apollo 12.

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 Lansberg.

References

Sources

External links Oblique view of Lansberg at high sun angle from Apollo 12: AS12-51-7538

Illustrations

Worked examples

Example 1 — a first encounter with Lansberg (crater)

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

In research: Lansberg (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 Lansberg (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: Lansberg (crater) is common in secondary-school and first-year university syllabi. It links to neighbouring topics Impact craters on the Moon, LQ19 quadrangle, so understanding it makes those chapters shorter.
In everyday life: Look for Lansberg (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.

Ask Teacher Smith questions about this articleOpens your AI tutor with a question about “Lansberg (crater)” →

Affiliate

Preply — study more efficiently by working with a personal tutor. 50% off.

How to study Lansberg (crater) in 20 minutes

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

Frequently asked questions

What is Lansberg (crater) in simple terms?

Lansberg is a lunar impact crater on the Mare Insularum. Describing the rim, Thomas William Webb said that "it rises very gradually without, but is steep and terraced within".

Why does Lansberg (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 Lansberg (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 Lansberg (crater).