the messier catalog - · pdf fileheat (a) copyr ght ©2008 pearson education, inc., ......
TRANSCRIPT
The Messier Catalog
To be a full-fledged “Star”…
Need Core Nuclear Fusion!
“Failed Stars”…
(𝑴𝒂𝒔𝒔 < ~𝟎. 𝟎𝟖 × 𝑴𝑺𝒖𝒏) (< ~𝟖% × 𝑴𝑺𝒖𝒏)
…are called “Brown Dwarfs”!
“Regions” of our Solar System…
(Zooming out…)
Effects of Sun’s Heat