science

Glaisher (crater)

Glaisher (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 Glaisher (crater) rather than just read about it. In short: Glaisher is a lunar impact crater that is located in the region of terrain that forms the southwest border of Mare Crisium. It lies to the southwest of the lava-flooded crater Yerkes, and west-northwest of the Greaves–Lick crater pair.

Key takeaways

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

Reference excerpt

Glaisher is a lunar impact crater that is located in the region of terrain that forms the southwest border of Mare Crisium. It lies to the southwest of the lava-flooded crater Yerkes, and west-northwest of the Greaves–Lick crater pair. It is surrounded by a ring of satellite craters of various dimensions, the larger companions generally being arranged to the south of Glaisher. This crater is circular, with a bowl-shaped interior and a small floor at the midpoint. The crater has not been significantly worn by subsequent impacts. A merged, double-crater formation is attached to its southern rim, consisting of Glaisher E at the northwest end and Glaisher G to the southeast. The infrared spectrum of pure crystalline plagioclase has been identified on the north and west wall. The crater was named after British meteorologist James Glaisher and its name was approved by the IAU in 1935.

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 Glaisher.

References

Sources

External links

LTO-61B2 Glaisher, Lunar Topographic Orthophotomap (LTO) Series

Illustrations

Glaisher (crater): Glaisher 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 — Glaisher 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

Glaisher (crater): Lunar Orbiter 4 image. Glaisher F is in upper right, Glaisher H is near top center, Glaisher L is above left center, and part of Glaisher E is below Glaisher at center. — Lunar Orbiter 4 image. Glaisher F is in upper right, Glaisher H is near top center, Glaisher L is above left center, and part of Glaisher E is below Glaisher at center.

Worked examples

Example 1 — a first encounter with Glaisher (crater)

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

In research: Glaisher (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 Glaisher (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: Glaisher (crater) is common in secondary-school and first-year university syllabi. It links to neighbouring topics Glaisher family, Impact craters on the Moon, LQ13 quadrangle, so understanding it makes those chapters shorter.
In everyday life: Look for Glaisher (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 Glaisher (crater) in 20 minutes

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

Frequently asked questions

What is Glaisher (crater) in simple terms?

Why does Glaisher (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 Glaisher (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 Glaisher (crater).