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North Complex

North Complex 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 North Complex rather than just read about it. In short: North Complex is a feature on Earth's Moon, a group of hills in the Hadley–Apennine region. It was an intended destination for the astronauts of the Apollo 15 mission, but due to problems extracting a rock core near the landing site, there was not enough time to make the journey.

North Complex — main illustration
North Complex — illustration

Key takeaways

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

Reference excerpt

North Complex is a feature on Earth's Moon, a group of hills in the Hadley–Apennine region. It was an intended destination for the astronauts of the Apollo 15 mission, but due to problems extracting a rock core near the landing site, there was not enough time to make the journey. The hills are thought to be volcanic in origin, but this remains unconfirmed because no samples were collected there. North Complex is located approximately 2 km east of Hadley Rille, and is about 3 km north of the Apollo 15 landing site itself. The feature was named by the geologist Gerald G. Schaber, and the name was formally adopted by the IAU in 1973. The astronauts actually called the North Complex "Schaber Hill." The astronauts named many of the small craters on the North Complex, including the 800 m diameter crater informally named Pluton.

See also 3333 Schaber, asteroid named after Gerald G. Schaber

References

External links Apollo 15 Traverses, Lunar Photomap 41B4S4(25)

Illustrations

North Complex illustration
North Complex: A telephoto view from the slope of Mons Hadley Delta at station 6A facing north shows Dune crater in the foreground, the LM Falcon near the center, and the crater Pluton within the North Complex beyond the LM.
A telephoto view from the slope of Mons Hadley Delta at station 6A facing north shows Dune crater in the foreground, the LM Falcon near the center, and the crater Pluton within the North Complex beyond the LM.

Worked examples

Example 1 — a first encounter with North Complex

Start with the simplest possible case. Write down what North Complex 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 North Complex 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 North Complex 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 North Complex

In research
North Complex 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 North Complex 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
North Complex is common in secondary-school and first-year university syllabi. It links to neighbouring topics LQ12 quadrangle, so understanding it makes those chapters shorter.
In everyday life
Look for North Complex 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 North Complex in 20 minutes

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

Frequently asked questions

What is North Complex in simple terms?

North Complex is a feature on Earth's Moon, a group of hills in the Hadley–Apennine region. It was an intended destination for the astronauts of the Apollo 15 mission, but due to problems extracting a rock core near the landing site, there was not enough time to make the journey.

Why does North Complex 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 North Complex?

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 North Complex.

Tags

  • LQ12 quadrangle

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