astronomy

Sun-Ah Jun

Sun-Ah Jun 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 Sun-Ah Jun rather than just read about it. In short: Sun-Ah Jun (born November 6, 1959) is a Korean-American professor of linguistics at the University of California, Los Angeles. Education Jun received her Ph.D. in linguistics from Ohio State University in 1993, with a dissertation entitled, The Phonetics and Phonology of Korean Prosody.

Key takeaways

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

Reference excerpt

Sun-Ah Jun (born November 6, 1959) is a Korean-American professor of linguistics at the University of California, Los Angeles.

Education Jun received her Ph.D. in linguistics from Ohio State University in 1993, with a dissertation entitled, The Phonetics and Phonology of Korean Prosody.

Research As a professor at UCLA's Department of Linguistics, Jun is known for her research in the areas of Phonetics, Laboratory Phonology, Intonational Phonology, Prosody, and Language Acquisition. She is the editor of two influential volumes on cross-linguistic studies of intonation: Prosodic Typology: The Phonology of Intonation and Phrasing as well as of Prosodic Typology II: The Phonology of Intonation and Phrasing.

Honors and distinctions In 2014-2015 Jun was the President of the International Circle of Korean Linguistics. In 2024-2026 Jun is the President of the Association for Laboratory Phonology. In 2025 Jun was elected as a Fellow of the Linguistic Society of America.

Selected publications Jun Sun-Ah. 1998. The Accentual Phrase in the Korean prosodic hierarchy. Phonology 15(2):189-226. doi:10.1017/S0952675798003571. Jun, Sun-Ah, ed. 2005. Prosodic Typology: the Phonology of Intonation and Phrasing. Oxford University Press. ISBN 9780199208746. Jun, Sun-Ah, ed. 2015. Prosodic Typology: the Phonology of Intonation and Phrasing. Oxford University Press. ISBN 9780198745402. Jun, SA. & Fougeron, C. 2000. A Phonological Model of French Intonation. In: Botinis, A. (eds) Intonation. Text, Speech and Language Technology, vol 15. Dordrecht: Springer. doi.org/10.1007/978-94-011-4317-2_10

References

Worked examples

Example 1 — a first encounter with Sun-Ah Jun

Start with the simplest possible case. Write down what Sun-Ah Jun 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 Sun-Ah Jun 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 Sun-Ah Jun 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 Sun-Ah Jun

In research: Sun-Ah Jun 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 Sun-Ah Jun 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: Sun-Ah Jun is common in secondary-school and first-year university syllabi. It links to neighbouring topics 1959 births, Fellows of the Linguistic Society of America, Linguists from the United States, so understanding it makes those chapters shorter.
In everyday life: Look for Sun-Ah Jun 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 Sun-Ah Jun in 20 minutes

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

Frequently asked questions

What is Sun-Ah Jun in simple terms?

Sun-Ah Jun (born November 6, 1959) is a Korean-American professor of linguistics at the University of California, Los Angeles. Education Jun received her Ph.D. in linguistics from Ohio State University in 1993, with a dissertation entitled, The Phonetics and Phonology of Korean Prosody.

Why does Sun-Ah Jun 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 Sun-Ah Jun?

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 Sun-Ah Jun.