Editing Black Holes (section)

== <span style="color: #FFFFFF;">Applying</span> ==
'''Calculating the 'Schwarzschild Radius' (The size of a black hole):'''
<syntaxhighlight lang="python">
def calculate_event_horizon(mass_kg):
    """
    R_s = (2 * G * M) / c^2
    """
    G = 6.674e-11 # Gravitational constant
    c = 299792458 # Speed of light
    
    radius = (2 * G * mass_kg) / (c ** 2)
    return radius

# If Earth were crushed into a black hole:
earth_mass = 5.972e24 # kg
r_earth = calculate_event_horizon(earth_mass)

print(f"Earth's Black Hole Radius: {r_earth*1000:.2f} mm")
# To become a black hole, the entire Earth would have to fit 
# inside a marble smaller than 1 centimeter!
</syntaxhighlight>

; Black Hole Milestones
: '''Cygnus X-1''' → The first object widely accepted as a black hole (discovered in 1971).
: '''LIGO Discovery (2015)''' → The first detection of Gravitational Waves from two merging black holes.
: '''Event Horizon Telescope (2019)''' → The first actual "photo" of a black hole's shadow (in the galaxy M87).
: '''Information Paradox''' → Stephen Hawking's famous question: if you throw a book into a black hole, is the information in the book gone forever?
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