Would you rather witness the Big Bang and see the birth of the universe or travel to the future and see how the universe ends?
- Witness the Big Bang and see the birth of the universe
- Travel to the future and see how the universe ends
Does our frequent and unregulated exposure to electromagnetic radiation from cell phones, Wi-Fi, and other electronic devices have a long-term impact on our health and wellbeing?
Which of the following is NOT part of the electromagnetic spectrum?
- Visible light
- Sound waves
- Radio waves
What is the main piece of evidence supporting the Big Bang Theory?
- Volcanic eruptions
- Fossil records
- Cosmic microwave background radiation
- Ancient scriptures
What does redshift in astronomical terms refer to?
- The blue color of stars
- The decrease in temperature of celestial bodies over time
- The expansion of Earth's atmosphere
- The lengthening of lightwaves from distant galaxies