astronomy

Kazuo Kubokawa

Kazuo Kubokawa 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 Kazuo Kubokawa rather than just read about it. In short: Kazuo Kubokawa (窪川一雄, Kubokawa Kazuo; 1903 – January 3, 1943) was a Japanese astronomer, who, together with astronomer Okuro Oikawa, co-discovered the Mars-crosser asteroid 1139 Atami in 1929. During the Japanese period in Taiwan, he was president of the Astronomical Association, Taiwan Branch beginning in 1938.

Key takeaways

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

Reference excerpt

Kazuo Kubokawa (窪川一雄, Kubokawa Kazuo; 1903 – January 3, 1943) was a Japanese astronomer, who, together with astronomer Okuro Oikawa, co-discovered the Mars-crosser asteroid 1139 Atami in 1929. During the Japanese period in Taiwan, he was president of the Astronomical Association, Taiwan Branch beginning in 1938. He began to build "New High Mountain Observatory" (新高山天文台) in 1942, but died the following year. Asteroid 6140 Kubokawa is named after him.

References

Worked examples

Example 1 — a first encounter with Kazuo Kubokawa

Start with the simplest possible case. Write down what Kazuo Kubokawa 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 Kazuo Kubokawa 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 Kazuo Kubokawa 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 Kazuo Kubokawa

In research: Kazuo Kubokawa 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 Kazuo Kubokawa 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: Kazuo Kubokawa is common in secondary-school and first-year university syllabi. It links to neighbouring topics 1903 births, 1943 deaths, 20th-century Japanese astronomers, so understanding it makes those chapters shorter.
In everyday life: Look for Kazuo Kubokawa 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 Kazuo Kubokawa in 20 minutes

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

Frequently asked questions

What is Kazuo Kubokawa in simple terms?

Why does Kazuo Kubokawa 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 Kazuo Kubokawa?

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 Kazuo Kubokawa.