Back Alley Astronomy

 Figure 1. Subterrestrial planets orbiting Sun-like stars, with the Earth included for comparison. ------------------------------...

Figure 1. Terrians, those mysterious inhabitants of the planet G889 in the 1990s TV series Earth2 . I just started a new job, and y...

Figure 1. “Raw” (top) versus “non-noisy” (bottom) periodograms for radial velocity data from Alpha Centauri B. Analyses by Xavier Dumu...