astronomy

Heinrich Christian Schumacher

Heinrich Christian Schumacher 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 Heinrich Christian Schumacher rather than just read about it. In short: Prof Heinrich Christian Schumacher FRS(For) FRSE (3 September 1780 – 28 December 1850) was a German-Danish astronomer and mathematician. Biography Schumacher was born at Bramstedt, in Holstein, near the German/Danish border.

Key takeaways

Heinrich Christian Schumacher belongs to astronomy; place it in that map before memorising details.
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Reproduce the core statement of Heinrich Christian Schumacher from memory before moving on to harder problems.

Reference excerpt

Prof Heinrich Christian Schumacher FRS(For) FRSE (3 September 1780 – 28 December 1850) was a German-Danish astronomer and mathematician.

Biography

Schumacher was born at Bramstedt, in Holstein, near the German/Danish border. He was educated at Altona Gymnasium on the outskirts of Hamburg. He studied in Germany at Kiel, Jena, and Göttingen Universities as well as Copenhagen. He received a doctorate from Dorpat University in Russian Empire in 1807. From 1808, he was adjunct professor of astronomy in Copenhagen. He directed the Mannheim observatory from 1813 to 1815, and then in 1815 was appointed Professor of Astronomy in Copenhagen and Director of the Observatory. From 1817 he directed the triangulation of Holstein, to which a few years later was added a complete geodetic survey of Denmark (finished after his death). For the sake of the survey, Schumacher established the Altona Observatory at Altona, and resided there permanently. He cooperated with Carl Friedrich Gauss for the baseline measurement (Braak Base Line) in the village Braak near Hamburg in 1820. He was elected a Foreign Fellow of the Royal Society of London in 1821, and a Fellow of the Royal Society of Edinburgh in 1822. Schumacher was chiefly occupied with the publication of Ephemerides (11 parts, 1822–1832) and of the journal Astronomische Nachrichten (founded by himself in 1821 and still being published), of which he edited thirty-one volumes. In 1827 he was elected member of the Royal Swedish Academy of Sciences, and in 1829 he won the Gold Medal of the Royal Astronomical Society. Schumacher was elected a member of the American Philosophical Society in 1823 and a Foreign Honorary Member of the American Academy of Arts and Sciences in 1834. His portrait now hangs in the Development Office of the Royal Society. He died in Altona on 28 December 1850. He was buried in the Heilig Geist Kirchhof (Holy Ghost Church) in Altona. The site is now marked by a stone memorial.

Family In 1812 he married Christine Madelaine Schoon. Their son, Richard Schumacher (1827–1902), was his assistant from 1844 to 1850 at the conservatory at Altona. Having become assistant to Carlos Guillermo Moesta (1825–1884), director of the observatory at Santiago, in 1859, he was associated with the Chilean geodesic survey in 1864. Returning in 1869, he was appointed assistant astronomer at Altona in 1873, and afterwards at Kiel. Schumacher's nephew, Christian Andreas Schumacher (1810–1854), was associated with the geodetic survey of Denmark from 1833 to 1838, and afterwards (1844–1845) improved the observatory at Pulkowa.

Recognition In 1935 the Moon crater Schumacher was named in his honour.

Notes

References This article incorporates text from a publication now in the public domain: Chisholm, Hugh, ed. (1911). "Schumacher, Heinrich Christian". Encyclopædia Britannica. Vol. 24 (11th ed.). Cambridge University Press. p. 383. This article incorporates text from a publication now in the public domain: Gilman, D. C.; Peck, H. T.; Colby, F. M., eds. (1905). "Schumacher, Heinrich Christian" . New International Encyclopedia (1st ed.). New York: Dodd, Mead.

Illustrations

Worked examples

Example 1 — a first encounter with Heinrich Christian Schumacher

Start with the simplest possible case. Write down what Heinrich Christian Schumacher 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 Heinrich Christian Schumacher 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 Heinrich Christian Schumacher 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 Heinrich Christian Schumacher

In research: Heinrich Christian Schumacher 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 Heinrich Christian Schumacher 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: Heinrich Christian Schumacher is common in secondary-school and first-year university syllabi. It links to neighbouring topics 1780 births, 1850 deaths, 19th-century Danish astronomers, so understanding it makes those chapters shorter.
In everyday life: Look for Heinrich Christian Schumacher 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 Heinrich Christian Schumacher in 20 minutes

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Frequently asked questions

What is Heinrich Christian Schumacher in simple terms?

Prof Heinrich Christian Schumacher FRS(For) FRSE (3 September 1780 – 28 December 1850) was a German-Danish astronomer and mathematician. Biography Schumacher was born at Bramstedt, in Holstein, near the German/Danish border.

Why does Heinrich Christian Schumacher 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 Heinrich Christian Schumacher?

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 Heinrich Christian Schumacher.