div class=ts-pagebutton class=gotoPage data-page=1Page 1button div class=ts-imagea href=https:reader042vdocumentinreader042viewer20220305125abcde347f8b9a567c8e4c40html5page1jpg target=_blank img data-url=the-messier-catalog-hofstra-university-ght-2008-pearson-education-inc-publishhtmlpage=1 data-page=1 class=ts-thumb lazyload alt=Page 1: The Messier Catalog - Hofstra University ght ©2008 Pearson Education Inc publish ng as Pearson Addison-Wes ey Heat a Copyr ght ©2008 Pearson Education Inc publish ng as loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader042vdocumentinreader042viewer20220305125abcde347f8b9a567c8e4c40html5thumbnails1jpg width=140 height=200 adivpThe Messier Catalogpdivdiv class=ts-pagebutton class=gotoPage data-page=2Page 2button div class=ts-imagea href=https:reader042vdocumentinreader042viewer20220305125abcde347f8b9a567c8e4c40html5page2jpg target=_blank img data-url=the-messier-catalog-hofstra-university-ght-2008-pearson-education-inc-publishhtmlpage=2 data-page=2 class=ts-thumb lazyload alt=Page 2: The Messier Catalog - Hofstra University ght ©2008 Pearson Education Inc publish ng as Pearson Addison-Wes ey Heat a Copyr ght ©2008 Pearson Education Inc publish ng as loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader042vdocumentinreader042viewer20220305125abcde347f8b9a567c8e4c40html5thumbnails2jpg width=140 height=200 adivdivdiv class=ts-pagebutton class=gotoPage data-page=3Page 3button div class=ts-imagea href=https:reader042vdocumentinreader042viewer20220305125abcde347f8b9a567c8e4c40html5page3jpg target=_blank img data-url=the-messier-catalog-hofstra-university-ght-2008-pearson-education-inc-publishhtmlpage=3 data-page=3 class=ts-thumb lazyload alt=Page 3: The Messier Catalog - Hofstra University ght ©2008 Pearson Education Inc publish ng as Pearson Addison-Wes ey Heat a Copyr ght ©2008 Pearson Education Inc publish ng as loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader042vdocumentinreader042viewer20220305125abcde347f8b9a567c8e4c40html5thumbnails3jpg width=140 height=200 adivdivdiv class=ts-pagebutton class=gotoPage data-page=4Page 4button div class=ts-imagea href=https:reader042vdocumentinreader042viewer20220305125abcde347f8b9a567c8e4c40html5page4jpg target=_blank img data-url=the-messier-catalog-hofstra-university-ght-2008-pearson-education-inc-publishhtmlpage=4 data-page=4 class=ts-thumb lazyload alt=Page 4: The Messier Catalog - Hofstra University ght ©2008 Pearson Education Inc publish ng as Pearson Addison-Wes ey Heat a Copyr ght ©2008 Pearson Education Inc publish ng as loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader042vdocumentinreader042viewer20220305125abcde347f8b9a567c8e4c40html5thumbnails4jpg width=140 height=200 adivdivdiv class=ts-pagebutton class=gotoPage data-page=5Page 5button div class=ts-imagea href=https:reader042vdocumentinreader042viewer20220305125abcde347f8b9a567c8e4c40html5page5jpg target=_blank img data-url=the-messier-catalog-hofstra-university-ght-2008-pearson-education-inc-publishhtmlpage=5 data-page=5 class=ts-thumb lazyload alt=Page 5: The Messier Catalog - Hofstra University ght ©2008 Pearson Education Inc publish ng as Pearson Addison-Wes ey Heat a Copyr ght ©2008 Pearson Education Inc publish ng as loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader042vdocumentinreader042viewer20220305125abcde347f8b9a567c8e4c40html5thumbnails5jpg width=140 height=200 adivdivdiv class=ts-pagebutton class=gotoPage data-page=6Page 6button div class=ts-imagea href=https:reader042vdocumentinreader042viewer20220305125abcde347f8b9a567c8e4c40html5page6jpg target=_blank img data-url=the-messier-catalog-hofstra-university-ght-2008-pearson-education-inc-publishhtmlpage=6 data-page=6 class=ts-thumb lazyload alt=Page 6: The Messier Catalog - Hofstra University ght ©2008 Pearson Education Inc publish ng as Pearson Addison-Wes ey Heat a Copyr ght ©2008 Pearson Education Inc publish ng as loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader042vdocumentinreader042viewer20220305125abcde347f8b9a567c8e4c40html5thumbnails6jpg width=140 height=200 adivdivdiv class=ts-pagebutton class=gotoPage data-page=7Page 7button div class=ts-imagea href=https:reader042vdocumentinreader042viewer20220305125abcde347f8b9a567c8e4c40html5page7jpg target=_blank img data-url=the-messier-catalog-hofstra-university-ght-2008-pearson-education-inc-publishhtmlpage=7 data-page=7 class=ts-thumb lazyload alt=Page 7: The Messier Catalog - Hofstra University ght ©2008 Pearson Education Inc publish ng as Pearson Addison-Wes ey Heat a Copyr ght ©2008 Pearson Education Inc publish ng as loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader042vdocumentinreader042viewer20220305125abcde347f8b9a567c8e4c40html5thumbnails7jpg width=140 height=200 adivdivdiv class=ts-pagebutton class=gotoPage data-page=8Page 8button div class=ts-imagea href=https:reader042vdocumentinreader042viewer20220305125abcde347f8b9a567c8e4c40html5page8jpg target=_blank img data-url=the-messier-catalog-hofstra-university-ght-2008-pearson-education-inc-publishhtmlpage=8 data-page=8 class=ts-thumb lazyload alt=Page 8: The Messier Catalog - Hofstra University ght ©2008 Pearson Education Inc publish ng as Pearson Addison-Wes ey Heat a Copyr ght ©2008 Pearson Education Inc publish ng as loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader042vdocumentinreader042viewer20220305125abcde347f8b9a567c8e4c40html5thumbnails8jpg width=140 height=200 adivdivdiv class=ts-pagebutton class=gotoPage data-page=9Page 9button div class=ts-imagea href=https:reader042vdocumentinreader042viewer20220305125abcde347f8b9a567c8e4c40html5page9jpg target=_blank img data-url=the-messier-catalog-hofstra-university-ght-2008-pearson-education-inc-publishhtmlpage=9 data-page=9 class=ts-thumb lazyload alt=Page 9: The Messier Catalog - Hofstra University ght ©2008 Pearson Education Inc publish ng as Pearson Addison-Wes ey Heat a Copyr ght ©2008 Pearson Education Inc publish ng as loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader042vdocumentinreader042viewer20220305125abcde347f8b9a567c8e4c40html5thumbnails9jpg width=140 height=200 adivdivdiv class=ts-pagebutton class=gotoPage data-page=10Page 10button div class=ts-imagea href=https:reader042vdocumentinreader042viewer20220305125abcde347f8b9a567c8e4c40html5page10jpg target=_blank img data-url=the-messier-catalog-hofstra-university-ght-2008-pearson-education-inc-publishhtmlpage=10 data-page=10 class=ts-thumb lazyload alt=Page 10: The Messier Catalog - 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Hofstra University ght ©2008 Pearson Education Inc publish ng as Pearson Addison-Wes ey Heat a Copyr ght ©2008 Pearson Education Inc publish ng as loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader042vdocumentinreader042viewer20220305125abcde347f8b9a567c8e4c40html5thumbnails16jpg width=140 height=200 adivdivdiv class=ts-pagebutton class=gotoPage data-page=17Page 17button div class=ts-imagea href=https:reader042vdocumentinreader042viewer20220305125abcde347f8b9a567c8e4c40html5page17jpg target=_blank img data-url=the-messier-catalog-hofstra-university-ght-2008-pearson-education-inc-publishhtmlpage=17 data-page=17 class=ts-thumb lazyload alt=Page 17: The Messier Catalog - Hofstra University ght ©2008 Pearson Education Inc publish ng as Pearson Addison-Wes ey Heat a Copyr ght ©2008 Pearson Education Inc publish ng as loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader042vdocumentinreader042viewer20220305125abcde347f8b9a567c8e4c40html5thumbnails17jpg width=140 height=200 adivpTo be a full-fledged “Star”…p pNeed Core Nuclear Fusion!p p“Failed Stars”…p p𝑴𝒂𝒔𝒔 ~𝟎 𝟎𝟖 × 𝑴𝑺𝒖𝒏 ~𝟖% × 𝑴𝑺𝒖𝒏p p…are called “Brown Dwarfs”!pdivdiv class=ts-pagebutton class=gotoPage data-page=18Page 18button div class=ts-imagea href=https:reader042vdocumentinreader042viewer20220305125abcde347f8b9a567c8e4c40html5page18jpg target=_blank img data-url=the-messier-catalog-hofstra-university-ght-2008-pearson-education-inc-publishhtmlpage=18 data-page=18 class=ts-thumb lazyload alt=Page 18: The Messier Catalog - Hofstra University ght ©2008 Pearson Education Inc publish ng as Pearson Addison-Wes ey Heat a Copyr ght ©2008 Pearson Education Inc publish ng as loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader042vdocumentinreader042viewer20220305125abcde347f8b9a567c8e4c40html5thumbnails18jpg width=140 height=200 adivdivdiv class=ts-pagebutton class=gotoPage data-page=19Page 19button div class=ts-imagea href=https:reader042vdocumentinreader042viewer20220305125abcde347f8b9a567c8e4c40html5page19jpg target=_blank img data-url=the-messier-catalog-hofstra-university-ght-2008-pearson-education-inc-publishhtmlpage=19 data-page=19 class=ts-thumb lazyload alt=Page 19: The Messier Catalog - Hofstra University ght ©2008 Pearson Education Inc publish ng as Pearson Addison-Wes ey Heat a Copyr ght ©2008 Pearson Education Inc publish ng as loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader042vdocumentinreader042viewer20220305125abcde347f8b9a567c8e4c40html5thumbnails19jpg width=140 height=200 adivdivdiv class=ts-pagebutton class=gotoPage data-page=20Page 20button div class=ts-imagea href=https:reader042vdocumentinreader042viewer20220305125abcde347f8b9a567c8e4c40html5page20jpg target=_blank img data-url=the-messier-catalog-hofstra-university-ght-2008-pearson-education-inc-publishhtmlpage=20 data-page=20 class=ts-thumb lazyload alt=Page 20: The Messier Catalog - Hofstra University ght ©2008 Pearson Education Inc publish ng as Pearson Addison-Wes ey Heat a Copyr ght ©2008 Pearson Education Inc publish ng as loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader042vdocumentinreader042viewer20220305125abcde347f8b9a567c8e4c40html5thumbnails20jpg width=140 height=200 adivdivdiv class=ts-pagebutton class=gotoPage data-page=21Page 21button div class=ts-imagea href=https:reader042vdocumentinreader042viewer20220305125abcde347f8b9a567c8e4c40html5page21jpg target=_blank img data-url=the-messier-catalog-hofstra-university-ght-2008-pearson-education-inc-publishhtmlpage=21 data-page=21 class=ts-thumb lazyload alt=Page 21: The Messier Catalog - Hofstra University ght ©2008 Pearson Education Inc publish ng as Pearson Addison-Wes ey Heat a Copyr ght ©2008 Pearson Education Inc publish ng as loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader042vdocumentinreader042viewer20220305125abcde347f8b9a567c8e4c40html5thumbnails21jpg width=140 height=200 adivdivdiv class=ts-pagebutton class=gotoPage data-page=22Page 22button div class=ts-imagea href=https:reader042vdocumentinreader042viewer20220305125abcde347f8b9a567c8e4c40html5page22jpg target=_blank img data-url=the-messier-catalog-hofstra-university-ght-2008-pearson-education-inc-publishhtmlpage=22 data-page=22 class=ts-thumb lazyload alt=Page 22: The Messier Catalog - Hofstra University ght ©2008 Pearson Education Inc publish ng as Pearson Addison-Wes ey Heat a Copyr ght ©2008 Pearson Education Inc publish ng as loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader042vdocumentinreader042viewer20220305125abcde347f8b9a567c8e4c40html5thumbnails22jpg width=140 height=200 adivdivdiv class=ts-pagebutton class=gotoPage data-page=23Page 23button div class=ts-imagea href=https:reader042vdocumentinreader042viewer20220305125abcde347f8b9a567c8e4c40html5page23jpg target=_blank img data-url=the-messier-catalog-hofstra-university-ght-2008-pearson-education-inc-publishhtmlpage=23 data-page=23 class=ts-thumb lazyload alt=Page 23: The Messier Catalog - Hofstra University ght ©2008 Pearson Education Inc publish ng as Pearson Addison-Wes ey Heat a Copyr ght ©2008 Pearson Education Inc publish ng as loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader042vdocumentinreader042viewer20220305125abcde347f8b9a567c8e4c40html5thumbnails23jpg width=140 height=200 adivdivdiv class=ts-pagebutton class=gotoPage data-page=24Page 24button div class=ts-imagea href=https:reader042vdocumentinreader042viewer20220305125abcde347f8b9a567c8e4c40html5page24jpg target=_blank img data-url=the-messier-catalog-hofstra-university-ght-2008-pearson-education-inc-publishhtmlpage=24 data-page=24 class=ts-thumb lazyload alt=Page 24: The Messier Catalog - Hofstra University ght ©2008 Pearson Education Inc publish ng as Pearson Addison-Wes ey Heat a Copyr ght ©2008 Pearson Education Inc publish ng as loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader042vdocumentinreader042viewer20220305125abcde347f8b9a567c8e4c40html5thumbnails24jpg width=140 height=200 adivdivdiv class=ts-pagebutton class=gotoPage data-page=25Page 25button div class=ts-imagea href=https:reader042vdocumentinreader042viewer20220305125abcde347f8b9a567c8e4c40html5page25jpg target=_blank img data-url=the-messier-catalog-hofstra-university-ght-2008-pearson-education-inc-publishhtmlpage=25 data-page=25 class=ts-thumb lazyload alt=Page 25: The Messier Catalog - Hofstra University ght ©2008 Pearson Education Inc publish ng as Pearson Addison-Wes ey Heat a Copyr ght ©2008 Pearson Education Inc publish ng as loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader042vdocumentinreader042viewer20220305125abcde347f8b9a567c8e4c40html5thumbnails25jpg width=140 height=200 adivdivdiv class=ts-pagebutton class=gotoPage data-page=26Page 26button div class=ts-imagea href=https:reader042vdocumentinreader042viewer20220305125abcde347f8b9a567c8e4c40html5page26jpg target=_blank img data-url=the-messier-catalog-hofstra-university-ght-2008-pearson-education-inc-publishhtmlpage=26 data-page=26 class=ts-thumb lazyload alt=Page 26: The Messier Catalog - Hofstra University ght ©2008 Pearson Education Inc publish ng as Pearson Addison-Wes ey Heat a Copyr ght ©2008 Pearson Education Inc publish ng as loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader042vdocumentinreader042viewer20220305125abcde347f8b9a567c8e4c40html5thumbnails26jpg width=140 height=200 adivp“Regions” of our Solar System…p pZooming out…pdivdiv class=ts-pagebutton class=gotoPage data-page=27Page 27button div class=ts-imagea href=https:reader042vdocumentinreader042viewer20220305125abcde347f8b9a567c8e4c40html5page27jpg target=_blank img data-url=the-messier-catalog-hofstra-university-ght-2008-pearson-education-inc-publishhtmlpage=27 data-page=27 class=ts-thumb lazyload alt=Page 27: The Messier Catalog - Hofstra University ght ©2008 Pearson Education Inc publish ng as Pearson Addison-Wes ey Heat a Copyr ght ©2008 Pearson Education Inc publish ng as loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader042vdocumentinreader042viewer20220305125abcde347f8b9a567c8e4c40html5thumbnails27jpg width=140 height=200 adivdivdiv class=ts-pagebutton class=gotoPage data-page=28Page 28button div class=ts-imagea href=https:reader042vdocumentinreader042viewer20220305125abcde347f8b9a567c8e4c40html5page28jpg target=_blank img data-url=the-messier-catalog-hofstra-university-ght-2008-pearson-education-inc-publishhtmlpage=28 data-page=28 class=ts-thumb lazyload alt=Page 28: The Messier Catalog - Hofstra University ght ©2008 Pearson Education Inc publish ng as Pearson Addison-Wes ey Heat a Copyr ght ©2008 Pearson Education Inc publish ng as loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader042vdocumentinreader042viewer20220305125abcde347f8b9a567c8e4c40html5thumbnails28jpg width=140 height=200 adivpEffects of Sun’s Heatpdivdiv class=ts-pagebutton class=gotoPage data-page=29Page 29button div class=ts-imagea href=https:reader042vdocumentinreader042viewer20220305125abcde347f8b9a567c8e4c40html5page29jpg target=_blank img data-url=the-messier-catalog-hofstra-university-ght-2008-pearson-education-inc-publishhtmlpage=29 data-page=29 class=ts-thumb lazyload alt=Page 29: The Messier Catalog - Hofstra University ght ©2008 Pearson Education Inc publish ng as Pearson Addison-Wes ey Heat a Copyr ght ©2008 Pearson Education Inc publish ng as loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader042vdocumentinreader042viewer20220305125abcde347f8b9a567c8e4c40html5thumbnails29jpg width=140 height=200 adivdivdiv class=ts-pagebutton class=gotoPage data-page=30Page 30button div class=ts-imagea href=https:reader042vdocumentinreader042viewer20220305125abcde347f8b9a567c8e4c40html5page30jpg target=_blank img data-url=the-messier-catalog-hofstra-university-ght-2008-pearson-education-inc-publishhtmlpage=30 data-page=30 class=ts-thumb lazyload alt=Page 30: The Messier Catalog - 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