The Milky Way

LTA Trivia Quiz for Monday, March 12, 2018

TOPIC: The Milky Way

The Milky Way is a band of faint light that stretches across the sky that is, in fact, the light from the stars in our home galaxy. The questions today are about that appearance in our sky, not about our home galaxy.

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Name this one
  1. Name this constellation, only visible in the Southern Hemisphere. It is the emblem of Australia and was first named as a constellation in 1679.

Screen Shot 2018-03-12 at 3.01.40 PMScreen Shot 2018-03-12 at 3.02.17 PM

  1. Some ancient Egyptians saw the Milky Way as a celestial counterpart to what very important geological feature?

 

  1. The ancient Greeks called the Milky Way “the Circle of the ___________”

 

  1. Who was the first person to figure out that the Milky Way was a myriad collection of stars?

  1. (Answer within 5 %) The Milky Way covers what percent of the sky?

  1. In 1750, Thomas Wright concluded that the appearance of the Milky Way resulted from a spherical distribution of what objects?

  1. In what constellation can we find the Northern Coalsack, a dark nebula that splits the local Milky Way in two?

  1. What southern hemisphere constellation is the home of a very pronounced black spot the Bushmen of Africa called “the Bug”?

  1. In what constellation does the Milky Way reach it’s widest apparent width (>30o)

  1. The plane of the Milky Way is inclined at about 63o compared to what celestial reference line?

  1. The ancient Greeks called it the galaxies kyklos, and galaxias means “milk.” What does kyklos mean?

Correct Answers……..Winners:

  1. Southern Cross……katimus: This constellation is in the sky above the Antarctic Circle.

  2. River…….mbrady505 and Nile River…..…TommyLivinLive: This river was very important in the lives of the Egyptians.

  3. Milk or Galaxy……katimus:

  4. Galileo……… speear40: Galileo pointed his telescope and discovered the Milky Way was full of stars.

  5. 10% of the sky…….AdamDoesSE: use binoculars to examine the Milky Way

  6. stars.….AdamDoesSE: But spherical? Was Wright foreseeing the galactic halo?

  7. Cygnus……..Blixxorama: Sometimes called the Northern Cross, the Milky Way goes right thru Cygnus.

  8. Crux……..CramerBA: The Coalsack cloud of dust and gas can e found in this constellation, also known as the Southern Cross.

  9. Sagittarius………katimus: bulge in our spiral galaxy

  10. Celestial equator…….William0821: There is no such thing as a “celestial plane” in astronomy. If you take the equator on the Earth and explode it out onto the celestial sphere, that is the celestial equator.

  11. Circle……..MelissaNarcissa: Greek for cycle or ring.

Leaders: make a contribution in the next 30 days to one of my charities listed and I will match your gift, up to $100. Tell the charity to contact me about your contribution.

Leaderboard

Winner

Number of correct answers

katimus

3

AdamDoesSE

2

Mbrady505

one

TommyLivinLive

one

Speear40

one

Blixxorama

one

CramerBA

one

William0821

one

MelissaNarcissa

one

 


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