2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/98828The Olbers conjecture, that under reasonable assumptions, light from the stars should sum at the Earth to make the sky bright at night, has been a subject of study since the early 19th century. It has been incorporated into some of modern cosmology. To complement Olbers's conjecture, we suggest a new calculation modelled as a projecture, in the form of an imaginary star probe. We find that there are not enough of stars. We also confirm Olbers's reasoning analytically. Note: The SSI-31 slides are numbered and presented at the end of the text; the slides include some results omitted from the text.12 pages; v. 2.0 corrects calculations with astrophysical data. Also, preparatory SLAC SSI posters are includedGeneral Physicstext