astronomy

Veikko Aleksanteri Heiskanen

Veikko Aleksanteri Heiskanen 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 Veikko Aleksanteri Heiskanen rather than just read about it. In short: Veikko Aleksanteri Heiskanen (V. A.

Key takeaways

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

Reference excerpt

Veikko Aleksanteri Heiskanen (V. A. Heiskanen; also spelled Weikko Aleksanteri (or W. A.) Heiskanen; 23 July 1895 – 23 October 1971) was a Finnish geodesist and geophysicist. He was known for his refinement of George Biddell Airy and John Henry Pratt's theories of isostasy into his own, the Heiskanen hypothesis. With Felix Andries Vening Meinesz, he wrote the textbook The Earth and its Gravity Field (1958), and in 1960 a paper by Heiskanen, "The latest achievements of physical geodesy" was discussed in the scientific literature. With Helmut Moritz, Heiskanen wrote the textbook Physical Geodesy (1967), which became a standard text the field of geodesy and for the study of the geoid. Heiskanen's doctoral students include Ivan I. Mueller. Born c. 23 July 1895 in Kangaslampi, Finland, he grew up on a small farm. He attended the University of Helsinki and in three years received a Candidate in Philosophy degree (some texts state he received the Master of Science degree). In 1927 he received a Doctor of Philosophy degree from the university. The Kaarina and Weikko A. Heiskanen Fund endows the Kaarina and Weikko A. Heiskanen Award, which is awarded annually by the Ohio State University. The university hosted the Weikko A. Heiskanen Symposium in Geodesy in 2002 to celebrate that geodesy had been studied at Ohio State for 50 years. A book, Surveyor of the Globe, was written as a biography of Heiskanen by Juhani A. Kakkuri and published in 2008 and 2017.

Career chronology Senior geodesist – Finnish Geodetic Institute (1921–1928) Lecturer in geodesy – University of Helsinki (1926–?) Professor of geodesy – Finland Institute of Technology (1928–1949) Chief of the Geodetic Section – Finland Institute of Technology (1935–1949) Director – International Isostatic Institute (1936–?) Member – Finnish Parliament (1933–1936) Chairman – Finnish Geographical Society (1941–1942) Source: Nature, 1949.

Notes

References

Further reading Juhani Kakkuri, "Maapallon mittaaja" Maankäyttö Jari Juutilainen, "V. A. Heiskanen Memorial" Taurus Hill Observatory Jarkko Koskinen "The man who took us to the Moon, Prof V. A. Heiskanen" National Land Survey of Finland Martin Vermeer Physical Geodesy

Illustrations

Worked examples

Example 1 — a first encounter with Veikko Aleksanteri Heiskanen

Start with the simplest possible case. Write down what Veikko Aleksanteri Heiskanen 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 Veikko Aleksanteri Heiskanen 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 Veikko Aleksanteri Heiskanen 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 Veikko Aleksanteri Heiskanen

In research: Veikko Aleksanteri Heiskanen 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 Veikko Aleksanteri Heiskanen 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: Veikko Aleksanteri Heiskanen is common in secondary-school and first-year university syllabi. It links to neighbouring topics 1895 births, 1971 deaths, Earth scientist stubs, so understanding it makes those chapters shorter.
In everyday life: Look for Veikko Aleksanteri Heiskanen 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 Veikko Aleksanteri Heiskanen in 20 minutes

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

Frequently asked questions

What is Veikko Aleksanteri Heiskanen in simple terms?

Veikko Aleksanteri Heiskanen (V. A.

Why does Veikko Aleksanteri Heiskanen 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 Veikko Aleksanteri Heiskanen?

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 Veikko Aleksanteri Heiskanen.