Editing Cosmology and the Big Bang (section)

== <span style="color: #FFFFFF;">Applying</span> ==
'''Modeling 'Hubble's Law' (Calculating Age):'''
<syntaxhighlight lang="python">
def estimate_universe_age(h_constant):
    """
    Age is approximately 1 / Hubble Constant (H_0).
    H_0 is usually measured in (km/s) / Megaparsec.
    """
    # Converting to standard units
    megaparsec_km = 3.086e19
    h_seconds = h_constant / megaparsec_km
    
    age_seconds = 1 / h_seconds
    age_years = age_seconds / (365.25 * 24 * 3600)
    
    return age_years / 1e9 # Billion years

# Using the standard H_0 = 70
print(f"Estimated Age of Universe: {estimate_universe_age(70):.1f} Billion years")
# This simple math matches the age of the oldest stars, 
# proving the Big Bang timeline is consistent.
</syntaxhighlight>

; Cosmological Puzzles
: '''The Flatness Problem''' → Why is the universe's geometry so perfectly "flat" instead of curved?
: '''The Horizon Problem''' → Why does the CMB look the same in opposite parts of the sky if they never had time to "touch"? (Solved by Inflation).
: '''The Matter-Antimatter Asymmetry''' → Why is there more matter than antimatter? (Otherwise, everything would have annihilated).
: '''The Hubble Tension''' → Different ways of measuring the expansion rate give different answers. Is our physics wrong?
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