- A Martian year is how long in earth days? ( A year being how long 
 it takes for the planet to travel around the sun)
 
- Venus and Mercury are inferior planets... Why?
 
- Dr. Ben Green developed what in 1944 to protect pilots who bailed 
 out over the Pacific ocean?
 
- The ultimate source of energy for most renewable energy systems 
 is what?
 
- What type of electromagnetic radiation is responsible for 
 sunburn?
 
- What type of nuclear reaction powers the sun?
 
- What Elton John 70s hit returned to No.1 18 years later when 
 Elton and George Michael recorded it as a duet?
 
- On sunscreen products, what does the SPF mean?
 
- What Memphis recording label recorded both Johnny Cash and Elvis 
 Presley?
 
- The sun keeps the planets in orbit with it's force of what?
 
- Who recorded the albums The Soul Cages and Nothing Like The Sun?
 
- What planet has an orbit closest to the sun?
 
- Two planets orbit the sun faster than the earth, what are the 
 names of the two planets?
 
- The approximate temperature at the surface of the sun is what?
 
- Which star is about halfway through its 10 billion year life 
 expectancy, will then expand into a red giant and finally shrink to
 a white dwarf?
 
- What lies at the very center of the solar system?
 
- What is the name of the planet that takes about 30 Earth years to 
 orbit the sun?
 
- It takes light from the sun how long to reach the earth?
 
- About how long is a sunspot cycle?
 
- Which planet is most often the furthest from the sun, but not 
 always?
 
- Which planet travels around the sun at an average speed of 185 
 miles per second?
 
- What are the thousands of small bodies orbiting the sun called?
 
- How far does the Sun's gravitational pull reach?
 
- Helium forms about what percentage of the sun's mass?
 
- The sun is about how old?
 
- How hot is the center of the sun?
 
- In 1991, where was the European space probe Ulysses sent off to?
 
Answers to Daily Trivia Quiz #216 - Sun Trivia
- 687 earth days.
- Their orbits are nearer to the sun than earths. Superior planets 
 have orbits outside the earths.
- Coppertone suntan lotion.
- The Sun.
- Ultraviolet radiation.
- Fusion.
- Don't Let the Sun Go Down on Me.
- Sun Protection Factor.
- Sun.
- Gravity.
- Sting.
- Mercury.
- Mercury and Venus.
- 5,800 K (9,980 F).
- The sun.
- The Sun.
- Saturn.
- About 8 minutes and 18 seconds.
- 11 years.
- Pluto.
- The earth.
- Asteroids.
- About 1 1/2 light years.
- 30 percent.
- 5 billion years.
- The core of the Sun is 27,000,000 degrees Fahrenheit.
- The Sun.