astronomy

Nils Mustelin

Nils Mustelin 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 Nils Mustelin rather than just read about it. In short: Nils Olof Mustelin (11 August 1931 in Turku – 28 April 2004 in Helsinki) was a Finnish professor of physics, noted astronomer, and popular skeptic. Mustelin was born in Turku, where he also went to school and attended university.

Key takeaways

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

Reference excerpt

Nils Olof Mustelin (11 August 1931 in Turku – 28 April 2004 in Helsinki) was a Finnish professor of physics, noted astronomer, and popular skeptic. Mustelin was born in Turku, where he also went to school and attended university. He enrolled at the Åbo Akademi in 1949 and studied physics, graduating as a Ph.D. in 1963. He also studied theoretical physics for two years at MIT, the Massachusetts Institute of Technology in Cambridge, MA, USA. He worked in many places, including the University of Helsinki; Nordforsk, an institute for technological research collaboration among the Nordic countries (Finland, Sweden, Norway, Denmark, and Iceland); Tekes, Teknologian edistämiskeskus ("Center for Advancement of Technology") and COST. After retiring he was a member of the Helsinki city council, representing the Swedish People's Party. Mustelin is known for his many scientific essays, articles, and books, primarily his astronomic book Liv Bland Miljarder Stjärnor, Civilisationer i Vintergatan och Därbortom? ("Life Among Billions of Stars, Civilizations in the Milky Way and Beyond?"). The book, published in 1978, discussed how life has emerged and evolved on Earth and how life could possibly exist on other planets and outside the Solar System. It was translated from Swedish to Finnish, Norwegian, and Danish. He is also famous for inventing tramology (Finnish sporalogia), a parody of astrology based on the scientific fact that trams exert a greater force of gravity on a city's inhabitants than planets because they are so much closer. He was the chairman of Skepsis ry, the Finnish Association of Skeptics, from 1989 to 1992. Nils Mustelin was an expert on classical music, with vast knowledge about composers, musicians, and various facts, and could identify specific compositions by ear. For example, he memorized the entire catalog of Wolfgang Amadeus Mozart's work and could name the Köchel number of any of Mozart's compositions. Mustelin often appeared on TV and radio in various panels and competitions related to classical music, physics, mathematics, and astronomy. Nils Mustelin had four children: Tomas Mikael (1960), Tove Carina (1962), and Tor Niklas (1966), all three with Nina Estelle Mustelin, born Costiander. He had a fourth child, Linda Marina Mustelin with his second wife, Eeva-Riitta Mustelin, née Kurki. Nils Mustelin died of pancreatic cancer on 28 April 2004. Mustelin was the maternal grandfather of Finnish-American basketball player Jacob Grandison.

Sources Mustelin, Nils in Uppslagsverket Finland (in Swedish). Obituary for Nils Mustelin in Helsingin Sanomat (in Finnish). Obituary for Nils Mustelin in Hufvudstadsbladet (in Swedish). Nils Mustelin's web pages (mostly in Swedish and Finnish), created when Nils Mustelin was nominated as a candidate in the 1999 parliamentary election.

Notes

Further reading Mustelin, Nils; Helander, Elisabeth (29 March 1972). "Miljövården tar form – också i Finland?". Affärsmagasinet Forum (in Swedish) (6): 14–15.

Worked examples

Example 1 — a first encounter with Nils Mustelin

Start with the simplest possible case. Write down what Nils Mustelin 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 Nils Mustelin 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 Nils Mustelin 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 Nils Mustelin

In research: Nils Mustelin 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 Nils Mustelin 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: Nils Mustelin is common in secondary-school and first-year university syllabi. It links to neighbouring topics 1931 births, 2004 deaths, Academic staff of the University of Helsinki, so understanding it makes those chapters shorter.
In everyday life: Look for Nils Mustelin 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 Nils Mustelin in 20 minutes

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

Frequently asked questions

What is Nils Mustelin in simple terms?

Why does Nils Mustelin 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 Nils Mustelin?

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 Nils Mustelin.