Do You Know Your Variable Stars?

Do you Know Your Variable Stars?  katimus does!

On Monday, February 19, we played a little trivia contest about Variable Stars on Periscope. How many questions would you answer correctly? Answers and winners are listed at the bottom of the page.

  1. Name the long-term variable star, with a period of over 11 months, discovered in 1596 by David Fabricus, known as Omicron Ceti. Can you name the variable star?

  2. Mira is what kind of star that pulsates?

  3. Discovered in 1669, this binary star in Perseus was the first eclipsing binary known, Also known as Beta Persei, can you name this star.

  4. The cycle of changes inside Mira include the force of nuclear fusion pushing out, and what force pulling in?

  5. What type of pulsating star expands in size and dims, then contracts and brightens over a day or more?

  6. There’s a Cepheid variable visible in our sky at dec +89o 21’?

  7. Name the Harvard expert who discovered that Cepheids periods were related to their Absolute Magnitudes?

  8. If we know that two Cepheids have the same period of variation the one with the brighter, average apparent magnitude will be what?

  9. When a large star dumps material onto a smaller companion we get an outburst known as what?

  10. What type of Variable Star is the AAVSO “Variable Star of the Year?

Correct Answers and Winners

  1. Mira……,,,,,,,,,,,,,,,,,,,,,,,Kalpchan

  2. Red Giant…,,,,,,,,,,,,,,,,.Kalpchan

                Red Giants tend to be nearing the end of their lives.

  3. Algol,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,nice_guy101

  4. Gravity…,,,,,,,,,,,,,,,,,,,,…katimus

  5. Cepheids,,,,,,,,,,,,,,,,,,,,,,,,Captain_Deltron

  6. Polaris……,,,,,,,,,,,,,,,,,,,,.itsjustme16

  7. Henrietta Leavitt……….katimus

  8. Closer to us………………..katimus

  9. Nova………………………….Captain_Deltron

  10. Eclipsing binary …………Peripilot

Eternal Glory Leaderboard

  • katimus…………… 3 correct

  • Kalpchan……….….2 correct

  • Captain_Deltron…2 correct

  • Nice_guy104…..….1 correct

  • Itsjust me16……… 1 correct

  • Peripilot………..…..1 correct

For more information, check out the AAVSO website:

 


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