Astronomy 1

What are the topics covered in booklet one?

Early Theories, The Big Bang theory, Time and Tempurature, Evidence of the Big bang, Tools of Astronomy.

What are the sub topics in booklet one?

Redshift in galaxies, CMB radiation, Composition of the Universe, electromagnetic radiation and telescopes.

What topics about telescopes are covered?

Refracting telescopes, reflecting telescopes, ground telescopes, space telescopes, The James Webb Space telescope, and Hubble telescope.

What are the types of electromagnetic radiation?

Radio, Microwave, infrared, visible, ultraviolet, x-ray, gamma rays.

Why is electromagnetic radiation relevant to astronomy?

Because all bodies in space emit or reflect radiation that make studying space accessible.

How is electromagnetic radiation used to study?

By the varying wavlengths of each type of radiation.

What is Microwave radiation?

The highest frequency of radio waves

What is Cosmic Microwave Background Radiation?

Left behind energy from universe expansion.

How did Physicists explain CMB?

That it is the “After glow” from the Big Bang

What happened to the tempurature after the Big Bang?

The Tempurature lowered from 3000 kelvin (2700°C) to 3 kelvin (-270°C) as it expanded and left behind energy that would spread out evenly through the universe.