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astronomy

Gheorghe Spacu

Gheorghe Spacu 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 Gheorghe Spacu rather than just read about it. In short: Gheorghe Spacu (December 5, 1883 – July 23, 1955) was a Romanian inorganic chemist. Born in Iași, he attended the city's National College from 1894 to 1901.

Gheorghe Spacu — main illustration
Gheorghe Spacu — illustration

Key takeaways

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

Reference excerpt

Gheorghe Spacu (December 5, 1883 – July 23, 1955) was a Romanian inorganic chemist. Born in Iași, he attended the city's National College from 1894 to 1901. He subsequently enrolled in the physics and chemistry section of the sciences faculty at the University of Iași. There, his professors included Petru Poni (inorganic chemistry), Vasile Buțureanu (mineralogy and crystallography), Anastasie Obregia (organic chemistry) and Dragomir Hurmuzescu (electrochemistry). Upon graduating in 1905, he went to deepen his studies at the universities of University of Vienna and then Berlin. He returned in 1907, when he began working as an assistant in the inorganic chemistry laboratory of Neculai Costăchescu, and was promoted to head of operations in 1916. That year, he received a doctorate in chemistry, having submitted a thesis on iron compounds. After Costăchescu, he was the second individual to receive a doctorate in chemistry from a Romanian university. Subsequently, he was named associate professor at Iași University. In 1919, following the union of Transylvania with Romania and the establishment of the University of Cluj, he was invited to teach as associate professor of inorganic and analytic chemistry. He was promoted to full professor in 1922. While at Cluj, he put together a school of chemistry, founding and supplying laboratories for students and researches and advising sixteen doctoral students. Among those he trained were Raluca Ripan, Ilie G. Murgulescu, Petru Spacu and Coriolan Drăgulescu. Petru, his only son, worked in his father's department after obtaining a doctorate, later moving to Bucharest. Of Gheorghe Spacu's 274 scientific articles, around two-thirds were written while he was at Cluj. These were generally published in the bulletin of the local scientific society, of which he was a founding member in 1921. He was elected a corresponding member of the Romanian Academy in 1927, and was promoted to titular member in 1935. He was assistant dean of the science faculty in 1923–1924, dean in 1924–1925, rector of the university in 1925–1926 and assistant rector in 1926–1927. In 1939, he was asked to join the inorganic and analytic chemistry department of the University of Bucharest, where he began work in October 1940. As before, he focused on establishing laboratories and training chemists. Maria Brezeanu was one of his doctoral students. During his Bucharest period, his work appeared in the bulletin of the Academy's scientific section. He received three awards from the communist authorities: the state prize (1952 and 1954) and the order of labor (1953). He continued working until his death in 1955.

Notes

References (in Romanian) Gina Scăețeanu, Maria Pele, "Gheorghe Spacu – maestru al chimiei coordinative și analitice", in Studii și comunicări, Comitetul Român de Istoria și Filosofia Științei și Tehnicii, vol. VI/2013, pp. 347–51 (in Romanian) Mihai Stănescu, Corina-Cristina Aramă, Adriana-Elena Tăerel, "Academicianul Gheorghe Spacu și impactul său asupra chimiei analitice", in Studii și comunicări, Comitetul Român de Istoria și Filosofia Științei și Tehnicii, vol. VI/2013, pp. 367–79

Illustrations

Gheorghe Spacu: Gheorghe Spacu, 1952
Gheorghe Spacu, 1952

Worked examples

Example 1 — a first encounter with Gheorghe Spacu

Start with the simplest possible case. Write down what Gheorghe Spacu 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 Gheorghe Spacu 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 Gheorghe Spacu 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 Gheorghe Spacu

In research
Gheorghe Spacu 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 Gheorghe Spacu 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
Gheorghe Spacu is common in secondary-school and first-year university syllabi. It links to neighbouring topics 1883 births, 1955 deaths, Academic staff of Alexandru Ioan Cuza University, so understanding it makes those chapters shorter.
In everyday life
Look for Gheorghe Spacu 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 Gheorghe Spacu in 20 minutes

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

Frequently asked questions

What is Gheorghe Spacu in simple terms?

Gheorghe Spacu (December 5, 1883 – July 23, 1955) was a Romanian inorganic chemist. Born in Iași, he attended the city's National College from 1894 to 1901.

Why does Gheorghe Spacu 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 Gheorghe Spacu?

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 Gheorghe Spacu.

Tags

  • 1883 births
  • 1955 deaths
  • Academic staff of Alexandru Ioan Cuza University
  • Academic staff of Babeș-Bolyai University
  • Academic staff of the University of Bucharest
  • Alexandru Ioan Cuza University alumni
  • Inorganic chemists
  • Members of the Romanian Academy of Sciences
  • Rectors of Babeș-Bolyai University
  • Romanian chemists
  • Scientists from Iași
  • Titular members of the Romanian Academy

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