What are the types of tools used for Cosmology?
The first cosmologists used telescopes as well as the naked eye to observe the universe. The astrolabe was measured a star's altitude and observatories were built to help with observations. Other tools included armillary spheres and the quadrant.
Wood working tools are hand tools or power driven tools used to alter the shape of wood. There are many different types of wood working tool perhaps the simplest being a paring knife used to carve tools. A common example is a chisel of which there are many types often used to make intricate changes for joining pieces of wood together. As an example, a description of various types of chisels is at the web…
It is cosmology using Einstein's theories of special and general relativity. This is the modern form of cosmology. The old form, called Newtonian cosmology, is based on the laws of Newton (which we now know are not accurate for big things such as galaxies), but is sometimes still used as an educational device (since it is simpler).