Discovering Sagittarius A*
Chapter 1
The invisible anchor at the center
View / Create
Answer
Chapter 2
Taking the first picture of a monster
View / Create
Answer
Chapter 3
Extreme physics in the danger zone
View / Create
Answer
Chapter 4
The past and future of our black hole
View / Create
Answer
YOUR GOAL
Master of Discovering Sagittarius A*
Ch 4 · The past and future of our black hole
Fun Fact
Fermi Bubbles: The towering Fermi Bubbles are so large they span about half of the visible night sky from Earth, though they are invisible to our eyes.
Quiz
How long ago did the colossal feeding frenzy that created the Fermi Bubbles occur?
Quiz
How much brighter did Sagittarius A* shine during its brief awakening 200 years ago?
Quiz
Which NASA satellite detected the 200-year-old light echo from Sagittarius A* in 2023?
Quiz
With which neighboring galaxy is the Milky Way on track to collide in four billion years?
Quiz
What are the giant gamma-ray structures extending above and below our galaxy called?