Question

cube root of 2197/6858 step by
step​

Answer 1

The red supergiant Betelgeuse (spectral type M1-M2 Ia-Ib, T e = 3650K, Levesque et al. 2005) ... (2010) are at the root of mass transfer from the star sur-face to its upper atmosphere (Ohnaka et al. 2009), and that the expelled material condenses as dust within the MOLsphere and above. In January 2009, Kervella et al. (2009, hereafter “Paper I”) obtained adaptive optics (AO) images of Betelgeuse with NACO, taking …

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