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100
What is the spherical shaped plane upon which we view the stars and planets?
What is a celestial sphere
100
What are the names of the two double stars in the Big Dipper?
What is Alcor and Mizar
100
What song was based around the double star Sirius?
What is Dog Days are Over
100
This picture is inspired by which star?
What is Sirius
100
What was the first binary star to ever be photographed?
What is Mizar
200
What are the names of three binary star systems?
What is... - eclipsing - visual binary - spectroscopic - contact - spectrum
200
What is the name of the double star found in the Southern Cross?
What is Acruz
200
Polaris was referenced in which famous writer’s work?
What is Shakespeare
200
The star in the center of this picture is…
What is Polaris
200
About what percentage of the stellar population exists as pairs and/or multiple grouping?
What is 80%
300
Why do eclipsing binaries' brightness change?
Because one star eclipses the other while they orbit
300
What double star system did Robert Hooke discover in 1664?
What is Gamma Arietis
300
What video game was produced modeled after the Alpha Centauri star complex?
What is Sid Meier’s Alpha Centauri
300
In this constellation, Canis Minoris, what is the name of the brighter star?
What is Procyon
300
How many binary stars did Robert Aitken discover?
What is 3,100
400
Which of Kepler's laws is used to determine the mass of a binary star system?
What is the 3rd law OR the law of harmonics
400
What astronomer viewed the first double stars?
What is Giovanni Riccioli
400
Which country’s flag contains the double star Procyon?
What is Brazil
400
Is the Alpha Centauri AB, shown in this picture, a double star?
What is yes
400
Brightest star in the constellation Centaurus
What is Alpha Santauri
500
How would you determine a binary star system if the stars are too close to be discerned visually?
What is the Doppler Effect on a spectrum
500
Who first observed Alcor and Mzar in 1650?
What is Giovanni Riccioli
500
What star in labeled as “1” in this picture?
What is Polaris
500
What are the names of the two double stars in this constellation?
What is Alcor and Mzar
500
What year did astronomers begin to strategically and purposefully view double stars?
What is 1779
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