astronomy

Thomas Cowling

Thomas Cowling 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 Thomas Cowling rather than just read about it. In short: Thomas George Cowling FRS (17 June 1906 – 16 June 1990) was an English astronomer. Early life and education Cowling was born in Hackney, London, the second of four sons of George Cowling and Edith Eliza Cowling (née Nicholls).

Key takeaways

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

Reference excerpt

Thomas George Cowling FRS (17 June 1906 – 16 June 1990) was an English astronomer.

Early life and education Cowling was born in Hackney, London, the second of four sons of George Cowling and Edith Eliza Cowling (née Nicholls). He was educated at Sir George Monoux Grammar School in Walthamstow and read mathematics at Brasenose College, Oxford from 1924 to 1930. From 1928 to 1930 he worked under Edward Arthur Milne. In 1929, Milne had no problems left to ask his student to work on and appealed to Sydney Chapman, who proposed that they work on an article on which he was working that dealt with the Sun's magnetic field. Cowling found an error in the paper that invalidated Chapman's results. After Cowling's doctorate, Chapman proposed that they work together.

Academic career In 1933 Cowling wrote an article, The magnetic field of sunspots. Joseph Larmor had worked in this area, arguing that sunspots regenerate themselves through a dynamo effect. Cowling showed that Larmor's proposed explanation was incorrect. His article assured him of a good reputation in the field of astrophysics. During the 1930s, Cowling also worked on stellar structure involving radiation and convection, at the same time as Ludwig Biermann but independently of him. He constructed a model of star with a convective core and radiative envelope, named the Cowling model by Chandrasekhar. He also studied magnetic fields within stars and classified the modes of non-radial oscillation of the body of a star, the basis of the field of helioseismology. Cowling became an Assistant Lecturer at the University College of Swansea (now Swansea University) in 1933. He was subsequently a lecturer at the University of Dundee (1937–38) and at the University of Manchester (1938–45) before being appointed professor of mathematics at the University College of North Wales (now Bangor University). In 1948 Cowling was appointed professor of applied mathematics at the University of Leeds in succession to Professor Selig Brodetsky. Cowling retired from his chair at Leeds in 1970 with the title emeritus professor.

Honours Cowling was elected a fellow of the Royal Society (FRS) in March 1947. He won the Gold Medal of the Royal Astronomical Society in 1956 and the Bruce Medal of the Astronomical Society of the Pacific in 1985. He was elected president of the Royal Astronomical Society from 1965 to 1967. He was also awarded the Hughes Medal two days before his death.

Marriage and children Cowling married Doris Marjorie Moffatt in 1935. They had a son and two daughters.

Death Cowling died in Leeds on 16 June 1990, one day before his 84th birthday. He was survived by his wife and children.

References

External links Bruce Medal page Archived 17 June 2004 at the Wayback Machine Awarding of RAS gold medal Autobiographical article Oral History interview transcript with Thomas Cowling on 22 March 1978, American Institute of Physics, Niels Bohr Library & Archives O'Connor, John J.; Robertson, Edmund F., "Thomas Cowling", MacTutor History of Mathematics Archive, University of St Andrews

Obituary QJRAS 32 (1991) 201

Worked examples

Example 1 — a first encounter with Thomas Cowling

Start with the simplest possible case. Write down what Thomas Cowling 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 Thomas Cowling 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 Thomas Cowling 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 Thomas Cowling

In research: Thomas Cowling 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 Thomas Cowling 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: Thomas Cowling is common in secondary-school and first-year university syllabi. It links to neighbouring topics 1906 births, 1990 deaths, 20th-century English astronomers, so understanding it makes those chapters shorter.
In everyday life: Look for Thomas Cowling 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 Thomas Cowling in 20 minutes

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

Frequently asked questions

What is Thomas Cowling in simple terms?

Thomas George Cowling FRS (17 June 1906 – 16 June 1990) was an English astronomer. Early life and education Cowling was born in Hackney, London, the second of four sons of George Cowling and Edith Eliza Cowling (née Nicholls).

Why does Thomas Cowling 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 Thomas Cowling?

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 Thomas Cowling.