astronomy

Ľubor Kresák

Ľubor Kresák 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 Ľubor Kresák rather than just read about it. In short: Ľubor Kresák (23 August 1927 in Topoľčany – 20 January 1994 in Bratislava) was a Slovak astronomer. He discovered two comets: the periodic comet 41P/Tuttle-Giacobini-Kresak and the non-periodic C/1954 M2 (Kresak-Peltier).

Key takeaways

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

Reference excerpt

Ľubor Kresák (23 August 1927 in Topoľčany – 20 January 1994 in Bratislava) was a Slovak astronomer. He discovered two comets: the periodic comet 41P/Tuttle-Giacobini-Kresak and the non-periodic C/1954 M2 (Kresak-Peltier). He also suggested in 1978 that the Tunguska event was a fragment of the periodic comet Encke. The asteroid 1849 Kresák was named in his honor. His wife Margita Kresáková was also an astronomer.

References

External links Publications by Ľ. Kresák in Astrophysics Data System

Worked examples

Example 1 — a first encounter with Ľubor Kresák

Start with the simplest possible case. Write down what Ľubor Kresák 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 Ľubor Kresák 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 Ľubor Kresák 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 Ľubor Kresák

In research: Ľubor Kresák 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 Ľubor Kresák 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: Ľubor Kresák is common in secondary-school and first-year university syllabi. It links to neighbouring topics 1927 births, 1994 deaths, Czechoslovak astronomers, so understanding it makes those chapters shorter.
In everyday life: Look for Ľubor Kresák 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 Ľubor Kresák in 20 minutes

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

Frequently asked questions

What is Ľubor Kresák in simple terms?

Why does Ľubor Kresák 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 Ľubor Kresák?

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 Ľubor Kresák.