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Hopmann (crater)

Hopmann (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 Hopmann (crater) rather than just read about it. In short: Hopmann is a lunar impact crater that lies in the southern hemisphere on the Moon's far side. It is attached to the northern part of a large walled plain named Poincaré.

Hopmann (crater) — main illustration
Hopmann (crater) — illustration

Key takeaways

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

Reference excerpt

Hopmann is a lunar impact crater that lies in the southern hemisphere on the Moon's far side. It is attached to the northern part of a large walled plain named Poincaré. Less than one crater diameter to the north-northwest is the crater Garavito. On the lunar geologic timescale, Cori dates to the Nectarian period. The outer rim of this crater is degraded due to impact erosion. Still the inner walls possess some terrace structures along the southern edge. A small crater overlays the northern rim, and a pair of tiny craters line along the eastern edge. The interior floor is relatively level and has a lower albedo than the surrounding surface, giving it a slightly dark appearance. There are some low ridges near the crater midpoint, and a double-ringed rim to the south-southeast of the center. The spectra of the central peak fits a olivine-bearing noritic gabbro mineralogy, which originated from a depth of 8.8 to 14.0 km. A tiny craterlet to the northwest of the midpoint is surrounded by a small skirt of higher albedo material, giving it the appearance of a white patch. Hopmann has a complex lunar swirl pattern that is associated with a weak magnetic anomaly.

See also 1985 Hopmann, minor planet

References

Sources

External links ESA, "SMART-1’s view of Crater Hopmann: on the shoulder of a giant", May 3, 2006.

Illustrations

Hopmann (crater) illustration
Hopmann (crater): Oblique Lunar Orbiter 2 view, facing south
Oblique Lunar Orbiter 2 view, facing south
Hopmann (crater): SMART-1 image of part of Hopmann
SMART-1 image of part of Hopmann

Worked examples

Example 1 — a first encounter with Hopmann (crater)

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

In research
Hopmann (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 Hopmann (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
Hopmann (crater) is common in secondary-school and first-year university syllabi. It links to neighbouring topics Impact craters on the Moon, LQ29 quadrangle, so understanding it makes those chapters shorter.
In everyday life
Look for Hopmann (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 Hopmann (crater) in 20 minutes

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

Frequently asked questions

What is Hopmann (crater) in simple terms?

Hopmann is a lunar impact crater that lies in the southern hemisphere on the Moon's far side. It is attached to the northern part of a large walled plain named Poincaré.

Why does Hopmann (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 Hopmann (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 Hopmann (crater).

Tags

  • Impact craters on the Moon
  • LQ29 quadrangle

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