astronomy

Kye Ung-sang

Kye Ung-sang 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 Kye Ung-sang rather than just read about it. In short: Kye Ung Sang (Korean: 계응상; Hanja: 桂應祥, 1893 – 1967) was a North Korean geneticist and expert on silkworms. Biography Kye was born in 1893 to a poor peasant family in Chongju.

Key takeaways

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

Reference excerpt

Kye Ung Sang (Korean: 계응상; Hanja: 桂應祥, 1893 – 1967) was a North Korean geneticist and expert on silkworms.

Biography Kye was born in 1893 to a poor peasant family in Chongju. He studied with the help of his study mates while private tutoring in Seoul and Japan. After graduating from University overseas, he published five theses about the anatomy and physiology and silkworm genetics. In 1930, he published eight theses in Gwangzhou China, where he was a professor of agriculture in a local university. He traveled to Haiphong, Hanoi, Kobe, and Hong Kong, and attempted to do scientific research at the Chaeryong research centre of sericulture, but could not proceed further, as he was limited by Japanese colonial authorities. After liberation, he became a professor at Kim Il Sung University in 1946. He criticized the genetic theories of Trofim Lysenko (which rejected Mendelian genetics and proclaimed a "genetics mixed with genes and environmental factors", that acknowledged inheritance of acquired characteristics), that was increasingly becoming mainstream in North Korea due to Soviet influences. In 1949, North Korea attempted abolishing classical genetics in favor of Lysenkoism and fired Kye; however he refused to accept Lysenkoism and furthered his research in North Korea based in classical genetics. He developed several variants of silkworms known as "Gaduknue 54" and "Gaduknue 64" that were appropriate to the North Korean climate. He had been elected as member of the Supreme People's Assembly. He unexpectedly died in 1967 due to a car accident.

Legacy and awards He was awarded the Hero of Labor and People's Prize in 1963. He is buried in the Patriotic Martyrs' Cemetery.

Worked examples

Example 1 — a first encounter with Kye Ung-sang

Start with the simplest possible case. Write down what Kye Ung-sang 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 Kye Ung-sang 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 Kye Ung-sang 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 Kye Ung-sang

In research: Kye Ung-sang 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 Kye Ung-sang 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: Kye Ung-sang is common in secondary-school and first-year university syllabi. It links to neighbouring topics 1893 births, 1967 deaths, Academic staff of Kim Il Sung University, so understanding it makes those chapters shorter.
In everyday life: Look for Kye Ung-sang 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 Kye Ung-sang in 20 minutes

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

Frequently asked questions

What is Kye Ung-sang in simple terms?

Kye Ung Sang (Korean: 계응상; Hanja: 桂應祥, 1893 – 1967) was a North Korean geneticist and expert on silkworms. Biography Kye was born in 1893 to a poor peasant family in Chongju.

Why does Kye Ung-sang 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 Kye Ung-sang?

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 Kye Ung-sang.