2 citations · 5 across the 4 of their papers we have counts for
4 papers
The expanding universe: an introduction
Markus Pössel
An introduction to the physics and mathematics of the expanding universe, using no more than high-school level / undergraduate mathematics. Covered are the basics of scale factor e…
Simple demonstration experiments for astronomical parallax
Markus Pössel
Parallax is the most important astronomical method for determining the distances from the Earth to nearby stars. We present two hands-on activities that explore the concepts and pr…
Gravitational waves and cosmic expansion: similarities and differences
Markus Pössel
Gravitational waves and cosmic expansion are both described in terms of Einstein's general relativity. This article explores the similarities between the two phenomena, as well as…
Street lights as standard candles: A student activity for understanding astronomical distance measurements
Markus Pössel
Astronomers measure cosmic distances to objects beyond our own galaxy using standard candles: objects of known intrinsic brightness, whose apparent brightnesses in the sky are then…