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Discovering Sagittarius A*
4 chapters
48 assets
by teacher · 10 jul 2026
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Chapter 1
The invisible anchor at the center
1
The radio signal from Sagittarius
2
Tracking the stars that dance in the dark
3
Weighing an invisible stellar shadow
4
Why it is a gentle giant
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Chapter 2
Taking the first picture of a monster
1
Building an Earth-sized virtual camera
2
The glowing orange donut of gas
3
Solving the ultimate global data puzzle
4
A tale of two black holes
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Chapter 3
Extreme physics in the danger zone
1
The point of no return
2
Stretching stars with cosmic spaghettification
3
How gravity makes time slow down
4
The powerful magnetic engine of Sgr A*
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Chapter 4
The past and future of our black hole
1
The ghost of a feast
2
Hearing light echoes in the cosmic dust
3
The upcoming galactic smashup with Andromeda
4
Why Sgr A* is not the ultimate anchor
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YOUR GOAL
Master of Discovering Sagittarius A*
