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Science in the medieval Islamic world, Astronomy (AL-BATTANI (LENGTH OF…
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Astronomy
AL-BATTANI
LENGTH OF THE YEAR
:explode: 365 days, 6 hours and 10 mins.
:explode: use globe tools - measure the shadow (light & dark)
:explode: have 2 vital data
:explode: result from the calculated data is 365 days, 5 hours, 46 mins and 24 secs
:explode: make research of 700 years earlier and get exact day
TABLES OF TOLEDO
:star: predict movements of sun, moon
and planets across sky
IBN AL-SHATIR
SUNDIALS
:check: Frequently found in the
mosques to determine the time of prayer.
:check: calculated arrangement of line
so sundial remain accurate through the year.
:check: follow the shadow to look at the time
of the prayer
PTOLEMY
:star: believes sun, moon, planet and star all sets rotated around the earth
:star: moon in the inner most of the sphere followed by sun and then planets and outer most is stars
:star: human on the centre and universe rotating around
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The power of language :symbol as extra things ( will bring more meaning)
-Scientific idea can travel more freely but fail to materialize
reasons of failure :why west takes over (Islamic decline 1942, islam under attack
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✨observed the red light in the sky in the morning began when the sun was 19 degrees below the horizon.
✨Red light on the sky at dusk (dark) dissapears when the sun is 19 degrees below the horizon after sunset.
✨This law is known as the law of snell.
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