Central ideas are the most important/essential/relevant/dominant/significant ideas in a text. You can choose some of these words, they all mean the same.

⏩ Dr Jayant Narlikar was born on July 19, 1938. He was a great Indian astrophysicist and a professor who worked at the Inter-University Centre for Astronomy and Astrophysics. He developed the conformal gravity theory, known as Hoyle–Narlikar theory.
⁺˚*・༓☾✧.* ☽༓・*˚⁺‧
꧁❣ ʀᴀɪɴʙᴏᴡˢᵃˡᵗ2²2² ࿐
It’s clearly source please give me brainless
Answer:
Maybe this will help? I don't know how to find the answer without a source
Explanation:
Benjamin Franklin was a Founding Father and a polymath, inventor, scientist, printer, politician, freemason and diplomat. Franklin helped to draft the Declaration of Independence and the U.S. Constitution, and he negotiated the 1783 Treaty of Paris ending the Revolutionary War.
His scientific pursuits included investigations into electricity, mathematics and mapmaking. A writer known for his wit and wisdom, Franklin also published Poor Richard’s Almanack, invented bifocal glasses and organized the first successful American lending library.