1. Made and Presented By Red House 2. What is the universe? The universe is……… basically, everything. Scientifically, it’s defined as the totality of everything that…

Slide 1Protostars are difficult to observe because A. the protostar stage is very short. B. they are surrounded by cocoons of gas and dust. C. they radiate mainly in the…

Slide 1Introduction to Astrophysics Lecture 12: Nebulae The hourglass nebula Slide 2 Nebulae Long ago is was recognised that not all objects in the sky are pointlike, as…

Slide 1 Slide 2 Chapter 16 Dark Matter And The Fate Of The Universe Slide 3 The Case for Dark Matter Rotation Curve for the Solar System (This is what we expect to see from…

Slide 1 What’s Brewing in the Teapot? M7 M6 M8 M22 Caty Pilachowski IU Astronomy Slide 2 Introducing the Milky Way Our very own spiral galaxy Slide 3 Slide 4 Four Galaxies…

Slide 1 Chapter 16: Star Formation What force makes stars? Gravity! Out of what? Interstellar gas and dust But this stuff is VERY low density… a dense area may have ~100…

Interstellar Medium and Star Formation Astronomy G9001 Prof. Mordecai-Mark Mac Low Historical Overview of Observations Dust Excess Mass Visual Nebulae Emission lines Continuum…

H205 Cosmic Origins Today: The Milky Way (Ch. 19) Hand in EP3 APOD More Opportunities⦠Dava Sobel, the author of the best-selling books LONGITUDE and GALILEO'S DAUGHTER,…

H205 Cosmic Origins Today: The Milky Way (Ch. 19) Hand in EP3 APOD More Opportunities⦠Dava Sobel, the author of the best-selling books LONGITUDE and GALILEO'S DAUGHTER,…

Identifying a stellar nursery ⦠nebulae and dust The most massive stars (shortest lived, we just deduced) are found in âmessyâ environments O and B stars (upper m-s…