SAMOP 2023 – wissenschaftliches Programm

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DD: Fachverband Didaktik der Physik

DD 26: Poster – Astronomie

DD 26.3: Poster

Montag, 6. März 2023, 17:00–19:00, Empore Lichthof

Students Derive an Exact Solution of the Flatness Problem — •Hans-Otto Carmesin — Gymn. Athenaeum, Harsefelder Str. 40, 21680 Stade — Studienseminar Stade, Bahnhofstr. 5, 21682 Stade — Universität Bremen, Fachbereich 1, Postfach 330440, 28334 Bremen

The global flatness of space is an exciting problem of cosmology [1]. Based on the cosmological principle and mathematics of class 11, students derive an exact solution of that problem: We introduce a measurement of a gravitational parallax distance r by using a pair of hand leads [2]. So, that distance is an element of physical reality. Additionally, we use the equivalence principle and the Lorentz factor. With it, we exactly derive a universal position factor ε_E(r) providing the energy of a falling object [2, 3]. With it, we derive the Friedmann Lemaître equation, FLE, as well as the global flatness of space, exactly.

An interesting byproduct is the exact derivation of the global dynamics, FLE, from the local position factor ε_E(r). Moreover, the present result is a basis for far reaching results, see e. g. [2, 4]. Experiences about teaching in classes, research clubs and general study courses at a university are presented. [1] Guth, A. (1981): Inflationary universe: A possible solution to the horizon and flatness problems. Physical Review D, 23, pp. 347-356. [2] Carmesin, H.-O. (December 2022): Unification of Spacetime, Gravity and Quanta. Berlin: Verlag Dr. Köster. [3] Burisch, C. et al. (2022): Universum Physik Gesamtband S2, Berlin: Cornelsen Verlag. [4] Carmesin, H.-O. (2020): The Universe Developing from Zero-Point Energy: Discovered by Making Photos, Experiments and Calculations. Berlin: Verlag Dr. Köster.