Q7. What is the diameter of the galaxy?
The diameter of the Milky Way galaxy is
approximately 100,000 light-years.
Q8. How far from the center is the sun? The Sun is located around 26,000 light-
years from the center of the Milky Way.
Q9. What gives us a better picture of the galaxy, optical or infrared? Infrared
gives a better picture of the galaxy as it can penetrate through the dust clouds that
obstruct our view of the galaxy.
Q10. What is the name of the arm of our galaxy where the sun is located?
The
sun is located in the Orion Arm of the Milky Way galaxy.
3. Click on Center of our galaxy;
(Use for only questions 11 and 12)
Q11. The center of the galaxy is located in what constellation?
The center of
the galaxy is located in the Sagittarius constellation.
Q12. What blocks our view of the galactic center?
The gas and dust within
the Milky Way galaxy's disk block our direct view of the galactic center.
Q13. What is the name of the compact object at the very center of our galaxy?
The compact object at the very center of our galaxy is called Sagittarius A*.
Q14. What is this object that sits in the very center of the galaxy? - Sagittarius A*
is a supermassive black hole located at the center of the Milky Way galaxy.
Q15. What is the mass of this object?
The mass of Sagittarius A* is estimated to
be around 4 million times that of the sun.