Fill in each blank so that the resulting statement is true. A solution of a system of linear equations in three variables is an ordered of real numbers that satisfies all/some of the equations in the system.
Chapter 19: Our Galaxy The Milky Way Revealed o What does our galaxy look like Dusty and gas obscure our view of the galaxy. Looks like a disk 100,000 light-years in diameter Bulge in the middle Globular Clusters in the halo o Halo is outside the disk Has spiral arms: different color from bulge o Blueish: bigger, younger stars Barred Spiral The bulge is elongated like a bar is in it. o How do stars orbit in our galaxy Stars in the disk travel in circles with little up and down motions Halo stars go above the disk randomly Bulge stars