Topic Details (Notes format)

What type of celestial body is Halley’s named after Edmond Halley, visible from Earth every ~76 years?

Which element has the chemical symbol "Y"?

What is the main gas found in the air we breathe?

What is the main cause of ocean tides on Earth?

Who discovered cell structure?

Which empire built the city of Vijayanagara (Hampi) in southern India?

Who gave the slogan "Jai Jawan Jai Kisan"?

Who discovered the human microbiome?

Which element has the chemical symbol "Og"?

Which is the nearest star to Earth after the Sun?