Albedo used in astronomy are the (V-band) geometric albedo (measuring brightness when illumination comes from directly behind the observer) and the Bond albedo (measuring total proportion of electromagnetic energy reflected). Their values can differ significantly, which is a common source of confusion. In detailed studies, the directional reflectance properties of astronomical bodies are often expressed in terms of the five Hapke parameters which semi-empirically describe the variation of albedo with phase angle, including a characterization of the opposition effect of regolith surfaces. The correlation between astronomical (geometric) albedo, absolute magnitude and diameter is: formula_7, where formula_8 is the astronomical albedo, formula_9
Albedo One generally ranged from largely positive to very positive. One reviewer stated that "if you're flatulently full with the fluffer shorts of pedestrian writers going through the motions, a dose of "Albedo One" #29 is the perfect antidote." The same reviewer stated of issue 32 that ""Albedo One's" inexorable rise to the top gains momentum with this issue's expertly assembled and fluid mix of speculative fiction." A review of issue 33 on BestSF stated of the magazine that "It's not quite up to kicking "Interzone's" arse, but as the redoubtable English mag takes strides forward under its new leadership, "Albedo One"