Editing Drawing (section)

=== In science ===
{{Main article|Technical illustration}}
[[File:Galileo moon phases.jpg|thumb|upright=0.7|[[Galileo Galilei]], ''Phases of the Moon'', 1609 or 1610, brown ink and wash on paper. 208 × 142 mm. [[National Central Library (Florence)]], Gal.&nbsp;48, fol.&nbsp;28r]]Drawing diagrams of observations is an important part of scientific study.

In 1609, astronomer [[Galileo Galilei]] explained the changing phases of Venus and also the [[Sunspot drawing|sunspots]] through his observational telescopic drawings.<ref name="Kovats 2005" /> In 1924, geophysicist [[Alfred Wegener]] used illustrations to visually demonstrate the origin of the continents.<ref name="Kovats 2005"  />