astronomy

Nils Spjeldnæs

Nils Spjeldnæs is a astronomy 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 Nils Spjeldnæs rather than just read about it. In short: Nils Spjeldnæs (3 January 1926 – 28 March 2006) was a Norwegian paleontologist. During the German occupation of Norway he fled to Sweden where he enrolled in the Norwegian police troops.

Key takeaways

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

Reference excerpt

Nils Spjeldnæs (3 January 1926 – 28 March 2006) was a Norwegian paleontologist. During the German occupation of Norway he fled to Sweden where he enrolled in the Norwegian police troops. He briefly stayed at Uppsala University, and took his cand.real. degree in 1949. He then took his dr.philos. degree in 1958. Primarily an invertebrate palaeontologist, he also studied certain Palaeozoic fishes, considering palaeoecology and palaeoclimatology. After a stint at the Museum of Paleontology he became associate professor at the University of Oslo in 1961, professor at Aarhus University in 1965, and professor at the University of Oslo from 1984 to his retirement in 1995. He was a member of the Norwegian Academy of Science and Letters from 1975, received an honorary degree from the University of Athens, and was decorated as a Knight of the Order of Dannebrog. He chaired the International Bryozoology Association from 1968 to 1971. He resided in Oslo and died in March 2006.

References

Worked examples

Example 1 — a first encounter with Nils Spjeldnæs

Start with the simplest possible case. Write down what Nils Spjeldnæs claims or describes in one sentence, then invent the smallest concrete situation in which that sentence is true. In astronomy, 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 Nils Spjeldnæs 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 Nils Spjeldnæs 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 Nils Spjeldnæs

In research: Nils Spjeldnæs appears in astronomy 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 Nils Spjeldnæs 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: Nils Spjeldnæs is common in secondary-school and first-year university syllabi. It links to neighbouring topics 1926 births, 2006 deaths, Academic staff of Aarhus University, so understanding it makes those chapters shorter.
In everyday life: Look for Nils Spjeldnæs 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 Nils Spjeldnæs in 20 minutes

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

Frequently asked questions

What is Nils Spjeldnæs in simple terms?

Nils Spjeldnæs (3 January 1926 – 28 March 2006) was a Norwegian paleontologist. During the German occupation of Norway he fled to Sweden where he enrolled in the Norwegian police troops.

Why does Nils Spjeldnæs matter?

Because it connects several astronomy 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 Nils Spjeldnæs?

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 Nils Spjeldnæs.