Venus is often called Earth’s sister planet or twin because of 3 major similarities: Further Venus is the closest planet to Earth within the solar system. […]
Interference colours are the colours observed while examining a mineral thin section in crossed nicols. These are colours. Birefringence is the difference in the refractive indices […]
Global positioning system. GPS is a network of satellites that can plot the position of a receiver on Earth by triangulation. Generally speaking it takes 4 […]