science

Lacus Aestatis

Lacus Aestatis 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 Lacus Aestatis rather than just read about it. In short: Lacus Aestatis (Latin aestātis, "Summer Lake") consists of two relatively small patches of smooth, interconnected lunar mare, located near the western limb of the Moon in the southwestern highlands. It was originally called Mare Aestatis but was renamed at the 1970 IAU convention.

Key takeaways

Lacus Aestatis belongs to science; place it in that map before memorising details.
Learn the definition first, then one example that makes the definition concrete.
Connect Lacus Aestatis to a quantity you can measure, compute or draw — that is where exam questions come from.
Reproduce the core statement of Lacus Aestatis from memory before moving on to harder problems.

Reference excerpt

Lacus Aestatis (Latin aestātis, "Summer Lake") consists of two relatively small patches of smooth, interconnected lunar mare, located near the western limb of the Moon in the southwestern highlands. It was originally called Mare Aestatis but was renamed at the 1970 IAU convention. The selenographic coordinates of this feature are 15.0° S, 69.0° W, and it lies within a diameter of 90 km. The lake has a combined surface area in the order of 400 km2. The northwestern part of this feature is located to the east-southeast of the crater Rocca, and is contained within the rim of the satellite crater Rocca A. The other part lies to the southeast of the first, and forms an elongated, irregular patch that extends generally in a north-south direction. The southern tip lies about one crater diameter to the northwest of the flooded crater Crüger. Crater counts of this feature yield an age of 3.50 Gyr for the basalt, placing its formation in the Imbrian era.

References

External links NASA lunar Atlas

Illustrations

Worked examples

Example 1 — a first encounter with Lacus Aestatis

Start with the simplest possible case. Write down what Lacus Aestatis 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 Lacus Aestatis 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 Lacus Aestatis 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 Lacus Aestatis

In research: Lacus Aestatis 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 Lacus Aestatis 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: Lacus Aestatis is common in secondary-school and first-year university syllabi. It links to neighbouring topics Imbrian, LQ18 quadrangle, Maria on the Moon, so understanding it makes those chapters shorter.
In everyday life: Look for Lacus Aestatis 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.

Affiliate

Preply — study more efficiently by working with a personal tutor. 50% off.

How to study Lacus Aestatis in 20 minutes

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

Frequently asked questions

What is Lacus Aestatis in simple terms?

Why does Lacus Aestatis 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 Lacus Aestatis?

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 Lacus Aestatis.