An Etymological Dictionary of Astronomy and Astrophysics
English-French-Persian

A graph displaying the average → sunspot number over each → sunspot cycle. It presents a shape of skewed → Gaussian: the rise to maximum is faster than the decline to minimum.

→ cycle; → shape.

The appearance of something in terms of its arrangement in space, especially its outline.

M.E., from O.E. sceapen, gescapen, p.p. of scieppan; cognate with O.H.G. skepfen "to shape."

Šekl, → figure; dise, → form.