1. Asteroids are relics from the time the solar system was born
Billions of years ago, when the solar system was forming, space dust and debris fused to form rocks and rubble. As the rocks churned, they rammed into one another, merged and formed planets and moons.
Asteroids are the leftover rubble from those times. They have remained unchanged over billions of years.
Refinery wastewater flowing through sand produced biofilms of pollutant-eating bacteria which inturn removed the harmful compounds from the water
Mumbai/ Sep 17, 2024