One might wonder how we can determine what a star is made of. If they are so far away, how can we possibly know anything about them? Well, it turns out that we can measure quite accurately what elements are in stars and approximate their quantities as well. Not only this, but we can use… Continue reading Measuring with Light
The image above is the “Hubble eXtreme Deep Field.” In it we see approximately 10,000 galaxies. Galaxies contain an average of 100 billion stars apiece. The galaxies we see in this image are up to 13 billion light years away, meaning that the light we see in this image left that galaxy 13 billion years… Continue reading The Universe is Really Big… and Old!
A little about me. I am a Science Teacher and a Christian. I have taught science in Texas public schools for 16 years as of 2017. I have taught 5th through 8th grade Science as well as high school Biology, Physics, and Integrated Physics and Chemistry. I am currently teaching 7th and 8th Grade Science.… Continue reading Thoughts from the Foxhole