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astronomy

Takafumi Matsui

Takafumi Matsui 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 Takafumi Matsui rather than just read about it. In short: Takafumi Matsui (Japanese: 松井孝典, 7 March 1946 – 22 March 2023) was a Japanese planetary scientist, geophysicist, science communicator and academic. He was professor emeritus at the University of Tokyo.

Takafumi Matsui — main illustration
Takafumi Matsui — illustration

Key takeaways

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

Reference excerpt

Takafumi Matsui (Japanese: 松井孝典, 7 March 1946 – 22 March 2023) was a Japanese planetary scientist, geophysicist, science communicator and academic. He was professor emeritus at the University of Tokyo.

Life and career Born in Shizuoka, Matsui graduated from the Faculty of Science of the University of Tokyo, and after a stage as a visiting researcher at NASA he became professor at the Graduate School of Frontier Sciences of his alma mater. He was specialized in astrobiology and comparative planetary science. He served as president of the Chiba Institute of Technology from June 2020 till his death. He authored numerous scientific articles and books. Matsui died of prostate cancer on 22 March 2023, at the age of 77. The planet 7301 Matsuitakafumi, discovered in 1993, was named after him.

References

Illustrations

Takafumi Matsui illustration

Worked examples

Example 1 — a first encounter with Takafumi Matsui

Start with the simplest possible case. Write down what Takafumi Matsui 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 Takafumi Matsui 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 Takafumi Matsui 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 Takafumi Matsui

In research
Takafumi Matsui 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 Takafumi Matsui 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
Takafumi Matsui is common in secondary-school and first-year university syllabi. It links to neighbouring topics 1946 births, 2023 deaths, Academic staff of the University of Tokyo, so understanding it makes those chapters shorter.
In everyday life
Look for Takafumi Matsui 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 Takafumi Matsui in 20 minutes

  1. Read the reference excerpt below once, without taking notes.
  2. Close the page and write down what Takafumi Matsui means in your own words.
  3. Compare your version with the excerpt and mark what you missed.
  4. Work through the three examples above with pen and paper.
  5. Explain Takafumi Matsui out loud to somebody else — or to Teacher Smith in the lgStudy chat.

Frequently asked questions

What is Takafumi Matsui in simple terms?

Takafumi Matsui (Japanese: 松井孝典, 7 March 1946 – 22 March 2023) was a Japanese planetary scientist, geophysicist, science communicator and academic. He was professor emeritus at the University of Tokyo.

Why does Takafumi Matsui 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 Takafumi Matsui?

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 Takafumi Matsui.

Tags

  • 1946 births
  • 2023 deaths
  • Academic staff of the University of Tokyo
  • Deaths from cancer in Japan
  • Japanese geophysicists
  • Planetary scientists
  • Scientists from Shizuoka (city)
  • University of Tokyo alumni

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