- What galaxy do we live in?
- What property does the universe possess that will determine its final state?
- How do galaxies die?
- What is a galaxy for kids?
- What is the difference between the 3 types of galaxies?
- What type of galaxy has the youngest stars?
- What is the biggest galaxy in the universe?
- What does spiral galaxy mean?
- Which galaxy is closest to our own?
- What are the 4 main types of galaxies?
- What are the three main types of dwarf galaxies?
- What is the closest dwarf galaxy?
- What are the three main types of galaxies quizlet?
- What does elliptical galaxy mean?
- What is our galaxy called?
What galaxy do we live in?
The Milky WayWe live in one of the arms of a large spiral galaxy called the Milky Way..
What property does the universe possess that will determine its final state?
chapter 16QuestionAnswerWho is super cool?Me!!What property does the universe possess that will determine its final state?The amount of undetected dark matter could sway the density of the universe above the critical density, and result in a “big crunch” possible outcome.39 more rows
How do galaxies die?
The process repeats: Gravity condenses gas into galaxies and stars, stars blow up and kick the gas out, gravity cycles the gas back in and makes new stars. … Without gas, it can’t form new stars; the old stars live out their lives and die, and eventually the galaxy dies too.
What is a galaxy for kids?
A galaxy is a huge collection of gas, dust, and billions of stars and their solar systems, all held together by gravity. We live on a planet called Earth that is part of our solar system.
What is the difference between the 3 types of galaxies?
There are four main categories of galaxies: elliptical, spiral, barred spiral, and irregular. These types of galaxies are further divided into subcategories while at the same time other types of galaxies exist based on their size and other unique features.
What type of galaxy has the youngest stars?
Spiral galaxiesElliptical galaxiesIrregular galaxiesRich in gas and dustLittle cool gas and dustUsually rich in gas and dustYoung and old stars are presentMainly old stars are presentYoung and old stars are present5 more rows
What is the biggest galaxy in the universe?
IC 1101The biggest known galaxy is IC 1101, which is 50 times the Milky Way’s size and about 2,000 times more massive. It is about 5.5 million light-years across. Nebulas, or vast clouds of gas, also have impressively large sizes.
What does spiral galaxy mean?
Spiral galaxies are twisted collections of stars and gas that often have beautiful shapes and are made up of hot young stars. Most of the galaxies that scientists have discovered so far are spiral galaxies, as opposed to the other two main categories of galaxy shapes — elliptical and irregular.
Which galaxy is closest to our own?
the Andromeda galaxyThe Andromeda galaxy is the closest big galaxy to our Milky Way. At 2.5 million light-years, it’s the most distant thing you can see with the eye alone.
What are the 4 main types of galaxies?
In 1936, Hubble debuted a way to classify galaxies, grouping them into four main types: spiral galaxies, lenticular galaxies, elliptical galaxies, and irregular galaxies. More than two-thirds of all observed galaxies are spiral galaxies.
What are the three main types of dwarf galaxies?
Just like their larger cousins, dwarf galaxies can be classified into three varieties: dwarf elliptical galaxies, dwarf irregular galaxies, and dwarf spiral galaxies.
What is the closest dwarf galaxy?
Canis Major Dwarf GalaxyThe closest known galaxy to us is the Canis Major Dwarf Galaxy, at 236,000,000,000,000,000 km (25,000 light years) from the Sun. The Sagittarius Dwarf Elliptical Galaxy is the next closest , at 662,000,000,000,000,000 km (70,000 light years) from the Sun.
What are the three main types of galaxies quizlet?
What are the three types of galaxies? Spiral galaxies, Elliptical galaxies, and Irregular galaxies.
What does elliptical galaxy mean?
An elliptical galaxy is a type of galaxy with an approximately ellipsoidal shape and a smooth, nearly featureless image. … Stars found inside of elliptical galaxies are on average much older than stars found in spiral galaxies.
What is our galaxy called?
Milky Way GalaxyThe Milky Way is a large barred spiral galaxy. All the stars we see in the night sky are in our own Milky Way Galaxy. Our galaxy is called the Milky Way because it appears as a milky band of light in the sky when you see it in a really dark area.