Understanding the Milky Way Galaxy

What is the Milky Way classified as?

• Elliptical galaxy

• Barred spiral galaxy

• Irregular galaxy

• Lenticular galaxy

Where is our solar system located within the Milky Way?

• At the center

• On the edge of the Orion-Cygnus Arm

• In the Perseus Arm

• In the Norma Arm

What percentage of stars in the Milky Way might not support habitable planets?

• 50%

• 75%

• 95%

• 20%

What is the estimated diameter of the Milky Way?

• 50,000 light-years

• 100,000 light-years

• 200,000 light-years

• 500,000 light-years

What technique is used to map the Milky Way by showing the distribution of elements?

• Radio astronomy

• Chemical cartography

• Infrared mapping

• Optical imaging

Which arms are considered the major arms of the Milky Way?

• Orion-Cygnus and Norma Arms

• Scutum-Centaurus and Perseus Arms

• Sagittarius and Norma Arms

• Orion-Cygnus and Sagittarius Arms

What is one of the challenges in mapping the Milky Way?

• Lack of technology

• Dust obscuring the view of stars

• Too many stars to map

• Limited interest in research

What is the main reason it's difficult to determine the Milky Way's structure?

• It's too far away

• We are located inside it

• It changes rapidly

• It's too small

What recent mission has provided new details about the Milky Way's structure?

• Hubble Space Telescope

• Gaia mission

• Voyager mission

• Cassini mission

What is the estimated number of stars in the Milky Way?

• 50 billion

• 100 billion

• 200 billion

• 400 billion