The Messier Catalog - Hofstra University ght ©2008 Pearson Education, Inc., publish ng as Pearson...

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The Messier Catalog

Transcript of The Messier Catalog - Hofstra University ght ©2008 Pearson Education, Inc., publish ng as Pearson...

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