astronomy

Jan Lužný

Jan Lužný 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 Jan Lužný rather than just read about it. In short: Jan Lužný, CSc. (4 February 1926, Liptovský Mikuláš – 29 January 2013, Olomouc) was a Czech plant-breeder and expert on gardening.

Key takeaways

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

Reference excerpt

Jan Lužný, CSc. (4 February 1926, Liptovský Mikuláš – 29 January 2013, Olomouc) was a Czech plant-breeder and expert on gardening. Between 1965 and 1992, he gave lectures at the University of Agriculture in Brno. He wrote more than 70 papers about plant-breeding. After his retirement, he became an amateur historian and published many articles about local history of Čechůvky.

Works EUCARPIA breeding and propagation of ornamental plants: papers submitted at the International Symposium of the University of Agriculture Brno, Faculty of Horticulture Lednice na Moravě, Prague September 16.-18.1986. Brno: University of Agriculture, 1986. 194 pp. Use of epispermoscopic analysis in seed assessment. [Brno], 1982.

Honors and awards G. J. Mendel honorary medal for merit in the biological sciences (2006)

References

Worked examples

Example 1 — a first encounter with Jan Lužný

Start with the simplest possible case. Write down what Jan Lužný 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 Jan Lužný 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 Jan Lužný 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 Jan Lužný

In research: Jan Lužný 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 Jan Lužný 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: Jan Lužný is common in secondary-school and first-year university syllabi. It links to neighbouring topics 1926 births, 2013 deaths, Academic staff of Mendel University in Brno, so understanding it makes those chapters shorter.
In everyday life: Look for Jan Lužný 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 Jan Lužný in 20 minutes

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

Frequently asked questions

What is Jan Lužný in simple terms?

Jan Lužný, CSc. (4 February 1926, Liptovský Mikuláš – 29 January 2013, Olomouc) was a Czech plant-breeder and expert on gardening.

Why does Jan Lužný 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 Jan Lužný?

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 Jan Lužný.