247 citations · 585 across the 23 of their papers we have counts for
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physics.pop-ph2019★ 15 cited
Interstellar communication network. I. Overview and assumptions
Michael Hippke
It has recently been suggested in this journal by Benford (2019) that "Lurkers" in the form of interstellar exploration probes could be present in the solar system. Similarly, extr…
physics.pop-ph2018
Spaceflight from Super-Earths is difficult
Michael Hippke
Many rocky exoplanets are heavier and larger than the Earth, and have higher surface gravity. This makes space-flight on these worlds very challenging, because the required fuel ma…
physics.pop-ph2018
Super-Earths in need for Extremly Big Rockets
Michael Hippke
Many rocky exoplanets are heavier and larger than Earth, so-called "Super-Earths". Some of these may be habitable, and a few may be inhabited by Super-Earthlings. Due to the higher…