Will Radley and Speaar40 are Tops in Knowing Solar System Astronomy Mistakes

What mistakes have been made in the astronomy of our Solar System?  I picked out ten big ones and offered them to my Periscope viewers.

How many of the questions below can you answer correctly without looking? In a competition with 894 Live Viewers on January 15, two players both got three correct.

WARNING:  I use the word “planet” rather loosely.

  1.  Before the phases of this “planet” were discovered by Galileo, many thought the Sun orbited the Earth.

    Picture 2
    Transit of Venus
  2. The discovery of what “planet” in 1781 seemed to validate the Titus-Bode Law?  Uranus

  3. The Titus-Bode Law also led to the 1801 discovery of what “planet” in orbit between Mars and Jupiter?

  4. The discovery of what “planet” finally provided evidence that the Titus Bode sequence had no theoretical basis?

  5. In 1804 astronomers discovered our first, tenth, “planet”

  6. In 1807 astronomers discovered the first, eleventh “planet”:  saturn_2179713_Open_000moons

  7. When this “planet” was discovered in 1930, it was estimated to be about the mass of one Earth:

  8. This inner “planet” was invoked by astronomer J.J. LeVerrier to explain the orbit of Mercury:

  9. 9.  Name the more recent tenth “planet” discovered in 2005 by Mike Brown of Cal Tech.

  10. Name the “planet,” originally proposed by Nancy Loeder, that was suppose to impact the Earth in 2012:

Screen Shot 2017-06-09 at 5.51.14 PM
Eris, Warrior Princess

Answers and Winners

  1.  Venus………..Will Radley

  2. Uranus……….Player

  3. Ceres…………. Speear40

  4. Neptune………Will Radley

  5. Juno…………….rossm3838

  6. Vesta…………..402308727Luke

  7. Pluto…………..Speear40

  8. Vulcan………..Speear40

  9. Eris……………..rossm3838

  10. Niburu………..Will Radley


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