astronomy

Julian Chela-Flores

Julian Chela-Flores 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 Julian Chela-Flores rather than just read about it. In short: Julian Chela-Flores (born 13 June 1942) is a Venezuelan astrobiologist and physicist. He is known for his contributions to the field of planetary habitability.

Key takeaways

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

Reference excerpt

Julian Chela-Flores (born 13 June 1942) is a Venezuelan astrobiologist and physicist. He is known for his contributions to the field of planetary habitability.

Biography His father, Raimundo Chela a mathematician of Lebanese family, encouraged his studies in science, while his mother raised his interest in the humanities. He lived in England where he studied in the University of London, obtaining a PhD in Quantum Mechanics in 1969. His field of research is astrobiology, in other words the science of the origin, evolution, distribution and destiny of life in the universe, especially life on Europa, the Jovian satellite.

From 1971 till 1990 he worked in academic matters continually, especially in research at the Centre of Physics, the Venezuelan Institute for Scientific Research (Full Researcher 1978) and at the Physics Department, Simon Bolivar University (Full Professor 1980), both in Caracas. He is Full Professor ad honorem at the Institute for Advanced Studies (IDEA, Caracas) having been a co-founder of IDEA in 1980. Since 1994 he is an Associate Member of the Dublin Institute for Advanced Studies. His first contact with the International Centre for Theoretical Physics in Trieste (ICTP, now bearing the name of its Founding Director the Nobel Laureate, Abdus Salam) took place during the inauguration of its Miramare Campus and at the Contemporary Physics Trieste Symposium (June, 1968). These two events were stepping stones for perennial collaboration with the progress of research and development, especially in the emerging nations: IAEA Fellow 1971, and on several occasions Associate Member (1972-1981) and Visiting Scientist (1982-1990). From 1990 to 2014 he was scientist in residence at the ICTP: Scientific Consultant (1990-1996) and Staff Associate (1996-2014). He now continues his research as visiting scientist at the ICTP.

Bibliography Ponnamperuma, C. and Chela-Flores, J. (eds.). (1993). Chemical Evolution: Origin of Life A. Deepak Publishing, Vol. 135, Hampton, Virginia, USA. (340 pp.). ISBN 093719431X. Chela-Flores, J., M. Chadha, A. Negron-Mendoza, and T. Oshima (eds.). (1995). Chemical Evolution: Self-Organization of the Macromolecules of Life (A Cyril Ponnamperuma Festschrift.) A. Deepak Publishing, Vol. 139, Hampton, Virginia, USA. (337 pp.). ISBN 0937194328. Ponnamperuma, C. and Chela-Flores, J. (eds.). (1995). Chemical Evolution: The Structure and Model of the First Cell. Kluwer Academic Publishers: Dordrecht, The Netherlands. (383 pp.). ISBN 0792335627. Chela-Flores, J. and Raulin, F. (eds.). (1996). Chemical Evolution: Physics of the Origin and Evolution of Life (The Cyril Ponnamperuma Memorial Conference). Kluwer Academic Publishers: Dordrecht, The Netherlands. (413 pp.). ISBN 0792341112. Chela-Flores, J. and Raulin, F. (eds.). (1998). Exobiology: Matter, Energy, and Information in the Origin and Evolution of Life in the Universe. Kluwer Academic Publishers: Dordrecht, The Netherlands. (386 pp.). ISBN 079235172X. Chela-Flores, J., Lemarchand, G.A. and Oro, J. (eds.). (2000). Astrobiology: Origins from the Big Bang to Civilisation. Kluwer Academic Publishers: Dordrecht, The Netherlands. (336 pp.). ISBN 0792365879. Chela-Flores, J. (2001). The New Science of Astrobiology From Genesis of the Living Cell to Evolution of Intelligent Behavior in the Universe. Kluwer Academic Publishers: Dordrecht, The Netherlands. (279 pp.). ISBN 0792371259. Chela-Flores, J, Owen, T. and Raulin, F. (eds.). (2001). The First Steps of Life in the Universe. Kluwer Academic Publishers: Dordrecht, The Netherlands. (428 pp.). ISBN 1402000774. Seckbach, J., Chela-Flores, J., Owen, T., Raulin, F. (eds.) (2004). Life in the Universe From the Miller Experiment to the Search for Life on Other Worlds Series: Cellular Origin, Life in Extreme Habitats and Astrobiology, Vol. 7, Springer: Dordrecht, The Netherlands. (387 pp.). ISBN 1402023715. (e-book) ISBN 1402023723. Chela-Flores, J. (2004). The New Science of Astrobiology From Genesis of the Living Cell to Evolution of Intelligent Behavior in the Universe. Series: Cellular Origin, Life in Extreme Habitats and Astrobiology, Band 3 Kluwer Academic Publishers: Dordrecht, The Netherlands. (251 pp.). Softcover edition of the 2001 book. ISBN 1402022298. Chela-Flores, J. (2009). A second Genesis: Stepping-stones towards the intelligibility of nature. World Scientific Publishers, Singapore. (248 pp.). ISBN 9789812835031. ISBN 9812835032. Chela-Flores, J. (2011). The Science of Astrobiology A Personal Point of View on Learning to Read the Book of Life (Second Edition). Book series: Cellular Origin, Life in Extreme Habitats and Astrobiology, Springer: Dordrecht, The Netherlands. (334 pp.). ISSN 1566-0400. ISBN 9789400716261. ISBN 9789400716278.

Videography In iTunes U (http://itunes.ictp.tv/)

3,8 billion years ago. (Also in Spanish and Italian.) Search for our origins in stardust. (Also in Spanish and Italian.) In the ICTP PIO - YouTube

A search for our origins in star dust on YouTube. (8 minutes). La búsqueda de nuestros orígenes en el polvo de las estrellas on YouTube. (8 minutes).

References

External links Official website: http://www.ictp.it/~chelaf Publications: http://www.ictp.it/~chelaf/Publications.pdf Science communication: http://www.ictp.it/~chelaf/Science_comm.pdf

Illustrations

Worked examples

Example 1 — a first encounter with Julian Chela-Flores

Start with the simplest possible case. Write down what Julian Chela-Flores 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 Julian Chela-Flores 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 Julian Chela-Flores 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 Julian Chela-Flores

In research: Julian Chela-Flores 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 Julian Chela-Flores 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: Julian Chela-Flores is common in secondary-school and first-year university syllabi. It links to neighbouring topics 1942 births, Academic staff of Simón Bolívar University (Venezuela), Academics of the Dublin Institute for Advanced Studies, so understanding it makes those chapters shorter.
In everyday life: Look for Julian Chela-Flores 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 Julian Chela-Flores in 20 minutes

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

Frequently asked questions

What is Julian Chela-Flores in simple terms?

Julian Chela-Flores (born 13 June 1942) is a Venezuelan astrobiologist and physicist. He is known for his contributions to the field of planetary habitability.

Why does Julian Chela-Flores 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 Julian Chela-Flores?

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 Julian Chela-Flores.