The 1979 revolution was a popular revolution against an autocratic but progressive monarch which turned into a backwards religious movement sending Iran back 200 years in time.
The Arab spring was a popular revolution sparked by demands for democracy against horrible dictators, which ultimately backfired due to civil war following the coups in Yemen, Syria and Libya, unrest in Egypt due to political tensions and high unemployment in Tunisia.
Differences:
Iranian Revolution eventually grew into religious movement, Arab spring was a pro-democracy movement
Arab spring results in civil war, unrest and bad economic times, Iranian Revolution results in Invasion form Iraq and oppression by the government.
It was important in the development of astronomy and science because it was the first model that aimed to predict how the planets move in their orbits. Despite being a complicated mix of circles and epicycles it was not a bad model and it worked well for at least 1500 years until observations became accurate enough to show its imperfections
Due to this over 7 million Palestinian refugees do not have a home due to the European colonialism.
The Industrial Revolution was the transition to new manufacturing processes in Europe and the US in the period from about 1760 to sometime between 1820 and 1840.
The social changes occurred during the Industrial Revolution were:
a) People left rural villages for work itt cities.
d) A new " middle class" was created.