science

Stoney (lunar crater)

Stoney (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 Stoney (lunar crater) rather than just read about it. In short: Stoney is an impact crater on the Moon, located in the southern part of its far side, approximately 47.5 kilometers in diameter. In 1970, it was named by IAU's Working Group for Planetary System Nomenclature after Anglo-Irish physicist George Johnstone Stoney (1826–1911).

Key takeaways

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

Reference excerpt

Stoney is an impact crater on the Moon, located in the southern part of its far side, approximately 47.5 kilometers in diameter. In 1970, it was named by IAU's Working Group for Planetary System Nomenclature after Anglo-Irish physicist George Johnstone Stoney (1826–1911). It lies to the southeast of the crater Baldet and to the east of Bhabha. On the lunar geologic timescale, Stoney dates to the Nectarian period. The rim of this crater is sharp-edged but with a somewhat irregular lip that has slumped in places. There are small outward bulges in the rim to the east and northwest. The inner wall is uneven with diagonal grooves and heaps where the material has slumped. This is a floor-fractured crater with a V-shaped moat between the inner wall and the floor. The interior floor is somewhat uneven, especially in the eastern half. There are two small craterlets within the interior, located at the base of the northeast and southern inner walls. The spectra of the central peak fits a olivine-bearing noritic gabbro mineralogy, which originated from a depth of 11.0 to 17.8 km.

References

Sources

Illustrations

Worked examples

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

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

In research: Stoney (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 Stoney (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: Stoney (lunar crater) is common in secondary-school and first-year university syllabi. It links to neighbouring topics Impact craters on the Moon, LQ24 quadrangle, so understanding it makes those chapters shorter.
In everyday life: Look for Stoney (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 Stoney (lunar crater) in 20 minutes

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

Frequently asked questions

What is Stoney (lunar crater) in simple terms?

Why does Stoney (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 Stoney (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 Stoney (lunar crater).