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ERIC Number: EJ943483
Record Type: Journal
Publication Date: 2011-Sep
Pages: 3
Abstractor: As Provided
ISSN: ISSN-0031-9120
Can Sunlight Shift the Earth onto a Different Orbit?
Esposito, S.
Physics Education, v46 n5 p604-606 Sep 2011
This article comes from a question asked by a student of mine: if the Sun radiates energy in the form of electromagnetic waves, could they shift the Earth from its current orbit on a suitable timescale? The answer to such a question is apparently obvious and trivial. Nevertheless, it requires an instructive reasoning and interesting estimates of orders of magnitude. Given the particularly positive reaction of my students to the solution given to the question, I think it is useful to report it here for the possible benefit of other students. (Contains 1 footnote.)
Institute of Physics Publishing. The Public Ledger Building Suite 929, 150 South Independence Mall West, Philadelphia, PA 19106. Tel: 215-627-0880; Fax: 215-627-0879; e-mail:; Web site:
Publication Type: Journal Articles; Reports - Descriptive
Education Level: N/A
Audience: Students; Teachers
Language: English
Sponsor: N/A
Authoring Institution: N/A