How eccentric is the orbit of the Earth, and where is the Sun?Rovšek, Barbara (Avtor) geodesysolar systemKepler's lawsgeometrical opticsstudentsalternative conceptionsteaching methods and strategiestextbookseducatorconferenceAt a conference on educational physics, someone described a series of multiple-choice problems to test students’ ideas about various mechanical phenomena. One of the problems questioned students’ conceptions about the shape of the Earth’s orbit in the solar system. The question was as follows: Which of the following schematic illustrations corresponds most accurately to the real situation regarding the position of the Sun and the shape of the Earth’s trajectory around the Sun, when viewed from top?20212021-12-08 04:33:33Članek v reviji133656UDK: 52ISSN pri članku: 1943-4928DOI: 10.1119/10.0006123COBISS_ID: 88249603slThis article may be downloaded for personal use only. Any other use requires prior permission of the author and AIP Publishing. This article appeared in Barbara Rovšek; How Eccentric Is the Orbit of the Earth, and Where Is the Sun?. Phys. Teach. 1 September 2021; 59 (6): 438–493. https://doi.org/10.1119/10.0006123 and may be found at https://pubs.aip.org/aapt/pte/article-abstract/59/6/438/152998/How-Eccentric-Is-the-Orbit-of-the-Earth-and-Where.