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Richards (lunar crater)

Richards (lunar 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 Richards (lunar crater) rather than just read about it. In short: Richards is a small lunar impact crater that is located in the northern interior of the walled plain named Mendeleev, on the far side of the Moon. It lies about half-way between the craters Bergman to the west-southwest and Fischer to the east, both also within Mendeleev's interior.

Richards (lunar crater) — main illustration
Richards (lunar crater) — illustration

Key takeaways

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

Reference excerpt

Richards is a small lunar impact crater that is located in the northern interior of the walled plain named Mendeleev, on the far side of the Moon. It lies about half-way between the craters Bergman to the west-southwest and Fischer to the east, both also within Mendeleev's interior. This is a circular, cup-shaped crater with a small interior floor at the midpoint of the sloping inner walls. The interior sides have a higher albedo than the surroundings. The infrared spectrum of pure crystalline plagioclase has been identified inside the crater walls and on the rim. There is a small crater situated along the north-northeastern edge of the rim. The crater chain named Catena Mendeleev passes just to the west of Richards, continuing in a line of small craters from the southwestern edge of Mendeleev.

References

Sources

Illustrations

Richards (lunar crater) illustration
Richards (lunar crater): Oblique view of Catena Mendeleev from Apollo 11, with Richards at the top center. NASA photo.
Oblique view of Catena Mendeleev from Apollo 11, with Richards at the top center. NASA photo.
Richards (lunar crater): Apollo 16 image of interior of Mendeleev. Fischer is above center, and Richards is in upper left. Harden is in lower right. Benedict is along bottom edge.
Apollo 16 image of interior of Mendeleev. Fischer is above center, and Richards is in upper left. Harden is in lower right. Benedict is along bottom edge.
Richards (lunar crater): Oblique view also from Apollo 16
Oblique view also from Apollo 16

Worked examples

Example 1 — a first encounter with Richards (lunar crater)

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

In research
Richards (lunar 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 Richards (lunar 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
Richards (lunar crater) is common in secondary-school and first-year university syllabi. It links to neighbouring topics Impact craters on the Moon, LQ15 quadrangle, so understanding it makes those chapters shorter.
In everyday life
Look for Richards (lunar 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 Richards (lunar crater) in 20 minutes

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

Frequently asked questions

What is Richards (lunar crater) in simple terms?

Richards is a small lunar impact crater that is located in the northern interior of the walled plain named Mendeleev, on the far side of the Moon. It lies about half-way between the craters Bergman to the west-southwest and Fischer to the east, both also within Mendeleev's interior.

Why does Richards (lunar 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 Richards (lunar 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 Richards (lunar crater).

Tags

  • Impact craters on the Moon
  • LQ15 quadrangle

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