| A | B |
|---|
| Milky Way | A spiral galaxy we live in! |
| Milky Way | may be actually a barred spiral |
| Milky Way | a decent candy bar made of CHOCOLATE! |
| Milky Way | 100,000 Light years across |
| Milky Way | 10,000 Light years thick |
| Milky Way | Has 3-4 spiral arms |
| Milky Way | Has 2/3s of its stars in the Central Bulge |
| Milky Way | Has 1/3 of it's stars in the arms |
| Milky Way | Is part of the "local Group" of 22 galaxies |
| Milky Way | Takes 250 million years to spin |
| Milky Way | May have a supermassive center |
| Milky Way | has young stars in it's arms |
| Milky Way | has Population 2 stars in the center |
| Milky Way | Has a Central Bulge |
| Milky Way | Is a large spiral galaxy |
| Spiral Galaxy | The most luminous galaxies |
| Spiral Galaxy | Moderate amounts of gas and dust |
| Spiral Galaxy | Sa - Sc classified |
| Tight armed Spiral Galaxy | Sa class |
| Loose armed Spiral Galaxy | Sc class |
| Intermediate armed spiral | Sb class |
| Spiral Galaxies | Has both young and old stars |
| Barred Spiral Galaxies | Central Bulges have a post through them |
| Barred spiral galaxies | arms start at the post ends |
| Barred Spiral galaxies | SBa - SBc classified |
| Tight armed barred galaxie | SBa |
| Loose armed barred spiral | SBc |
| Elliptical Galaxies | Most common galaxy type |
| Elliptical Galaxies | Composed of old stars |
| Elliptical Galaxies | are the smallest galaxies! |
| elliptical Galaxies | Are the largest galaxies! |
| Globular clusters | Have the oldest known stars |
| Open star clusters | found in spiral arms |
| Open Star clusters | common feature in arms |
| Open Star Clusters | 1100 found so far! |
| Globular clusters | found outside and around the galaxy |
| Central Bulge | Where most stars are in spirals |
| ellipticals | little gas and dust |
| Irregular Galaxies | No geometric shape! |
| Irregular galaxies | IR galaxies! |
| Irregular galaxies | Two are very close to us! |
| Large Magellanic Cloud | Closest IR galaxy |
| Large magellanic Cloud | 114,000 light years away! |
| Lesser Magellanic Cloud | 2nd closest IR galaxy! |
| Irregular Galaxies | Lots of young stars |
| Irregular Galaxies | Plentiful gas and dust |
| Pecular Galaxies | Are galaxies in distress |
| Pecular galaxies | Sometimes shoot jets of plasma |
| Seyfert galaxies | Pecular's that make Radio Noise |
| Blazar Galaxies | Peculars that emit Gamma Rays |
| Quazars | Brightest objects observed |
| Quazars | Farthest objects observed |
| Quazars | quazi stellar radio objects |
