Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
30 Cards in this Set
- Front
- Back
|
The _______ ____ is a dense region that affects the galaxy as it rotates around the core. |
Central Bar |
|
|
Lenticular galaxy have used up or lost most of their _________ ________ and therefore have little ongoing star formation |
Interstellar Mass |
|
|
Having a lot of gas and dust means irregular galaxies have a lot of______ _____ going on within them. |
Star Formation |
|
|
NGC 3597 is the product of the collision of 2 galaxies and is slowly evolving to become a giant ______ _______. |
Elliptical Galaxies |
|
|
Nearly _______% of the galaxies closest to the Milky Way are spirals. |
70% |
|
|
Bars develop when stellar orbits in a _______ ________ become unstable and break away from their normal circular path. |
Spiral Galaxy |
|
|
A cartwheel galaxy is a _________ galaxy. |
Lenticular |
|
|
The sombrero galaxy is a _________ type of galaxy. |
Barred Spiral |
|
|
The largest elliptical galaxy can be over a __________ in diameter(ly) |
1 Million Light Years |
|
|
Since stars form from gas, little to none ________ ________ occurs in elliptical galaxies. |
Star Formation |
|
|
The central section in a spiral galaxy is called a __________. |
Bulge |
|
|
The milky way galaxy is a _____________ galaxy. |
Spiral Galaxy |
|
|
Lenticular galaxies are sometimes called _________ spiral galaxies. |
Arm-less spiral galaxy |
|
|
Irregular galaxies are commonly formed by _________ _________. |
Galaxy collisions |
|
|
What are the 4 major classification of galaxies? |
spiral, barred spiral, elliptical, irregular |
|
|
The Pinwheel galaxy is what type of galaxy? |
Spiral |
|
|
What is a central bar-shaped structure composed of stars? |
Barred spiral galaxy |
|
|
What type of galaxy contains dust in their disk and there is little to no gas? |
A Lenticular Galaxy |
|
|
An ___________ galaxy that does not have a distinct regular shape. |
Irregular |
|
|
what type of galaxy has little to no structure and their stars are in a random orbit around the center? |
elliptical galaxy |
|
|
stars and gas clouds are concentrated mainly in _______ galaxy |
spiral galaxy |
|
What type of galaxy is this? |
Spiral Galaxy |
|
What is this galaxy classified as? |
Elliptical Galaxy |
|
|
The ________ center contains radiation, density, and a central black hole. |
Galactic |
|
What type of galaxy is this? |
Irregular |
|
This is called __________'s tuning fork. |
Hubble's |
|
|
_________ is an intense star-forming region created when two galaxies began to collide some 200 million to 300 million years ago. |
Antenna Galaxy |
|
|
_________ is a large group of stars, gas had dust held together by gravity or billion of stars.
|
Galaxy |
|
|
_________ is the next closet galaxy (2.5 million light years away. )
|
Andromeda Galaxy |
|
|
A _________ is made up of dust, gas and younger stars
|
Disk |
