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Parrot (crater)

Parrot (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 Parrot (crater) rather than just read about it. In short: Parrot is the remains of a lunar impact crater that has been almost completely worn away. It was named after Russian doctor and physicist Friedrich Parrot.

Parrot (crater) — main illustration
Parrot (crater) — illustration

Key takeaways

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

Reference excerpt

Parrot is the remains of a lunar impact crater that has been almost completely worn away. It was named after Russian doctor and physicist Friedrich Parrot. It is attached to the southern rim of the crater Albategnius, and is located among the rugged highlands among the south-central part of the visible Moon. To the east is the small crater Vogel, and in the southeast is Arzachel. Little remains of the southwestern rim of Parrot, and the other sections of the wall have been worn and smoothed by impact erosion. The remains of a pair of overlapping craters occupy much of the northern floor of the crater, and the remainder is irregular but relatively flat. No central peak remains. A groove structure intersects the southeast and part of the northern rim, following an intermittent line from the south-southeast to the north-northwest.

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 Parrot.

References

External links

Parrot at The Moon Wiki

Illustrations

Parrot (crater) illustration
Parrot (crater): Oblique view of Parrot D crater, with most of Parrot itself in upper right, from Apollo 14
Oblique view of Parrot D crater, with most of Parrot itself in upper right, from Apollo 14
Parrot (crater): Parrot crater and its satellite craters taken from Earth in 2012 at the University of Hertfordshire's Bayfordbury Observatory with the telescopes Meade LX200 14" and Lumenera Skynyx 2-1
Parrot crater and its satellite craters taken from Earth in 2012 at the University of Hertfordshire's Bayfordbury Observatory with the telescopes Meade LX200 14" and Lumenera Skynyx 2-1

Worked examples

Example 1 — a first encounter with Parrot (crater)

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

In research
Parrot (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 Parrot (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
Parrot (crater) is common in secondary-school and first-year university syllabi. It links to neighbouring topics Impact craters on the Moon, LQ20 quadrangle, so understanding it makes those chapters shorter.
In everyday life
Look for Parrot (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 Parrot (crater) in 20 minutes

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

Frequently asked questions

What is Parrot (crater) in simple terms?

Parrot is the remains of a lunar impact crater that has been almost completely worn away. It was named after Russian doctor and physicist Friedrich Parrot.

Why does Parrot (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 Parrot (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 Parrot (crater).

Tags

  • Impact craters on the Moon
  • LQ20 quadrangle

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