Black Holes, Neutron Stars, and Gravitational Waves
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Compact objects, extreme physics, and the new era of multi‑messenger astronomy.
16 content steps
4 quizzes
~300 minutes
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Journey Steps
Preview
1
Content Step 1
Content
Massive stars and how they end
2
Content Step 2
Content
Core‑collapse supernovae vs Type Ia
3
Content Step 3
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Neutron stars: density, pulsars, magnetars
4
Content Step 4
Content
Black hole basics: horizon, singularity (conceptual)
5
Quiz 5
Quiz
Checkpoint Quiz
6
Content Step 6
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Schwarzschild radius and escape velocity
7
Content Step 7
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Accretion disks and relativistic jets
8
Content Step 8
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Gravitational lensing as a probe
9
Content Step 9
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What are gravitational waves?
10
Quiz 10
Quiz
Checkpoint Quiz
11
Content Step 11
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LIGO/Virgo/KAGRA: how we detect ripples in spacetime
12
Content Step 12
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Mergers: NS‑NS, BH‑BH, and EM counterparts
13
Content Step 13
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Tidal disruption events around black holes
14
Content Step 14
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Supermassive black holes and the Milky Way’s Sgr A*
15
Quiz 15
Quiz
Checkpoint Quiz
16
Content Step 16
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Hawking radiation (theory) and misconceptions
17
Content Step 17
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Event Horizon Telescope images: what they show
18
Content Step 18
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Multi‑messenger astronomy: combining signals
19
Content Step 19
Content
Open questions and where to follow discoveries
20
Quiz 20
Quiz
Checkpoint Quiz
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