LEAVITT
The country Henrietta Swan Leavitt is from
What is the United States of America?
A fixed luminous point in the night sky that is a large, remote incandescent body like the sun
What is a star?
The number of stars in the universe
What is 1,000,000,000,000,000,000,000
(1 Billion trillion)?
Stars glow during the day, but we can't see them because of this.
What is the glare of sunlight?
The distance between earth and the stars
What is 4.24 light years?
The century Leavitt was born in
What is the 19th century?
A luminous ball of gas, mostly hydrogen and helium held together by its own gravity
What is a star made of?
The number of stars we can see at night
What is 5,000?
The reason cooler stars appear red and the stars with the higher temperatures appear blue or white
What is earth's atmosphere?
The closest star to earth
What is the sun?
Leavitt used photographic plates of all observable stars to construct this
What is a scale of stellar brightness?
The type of star our sun is
What is a yellow dwarf star?
The number of stars in the Milky Way galaxy
What is 400 Billion?
The order of star colors: red, orange, yellow, green, blue
What is coolest to hottest?
The second closest star to earth
What is Proxima Centauri?
The number of novas discovered by Leavitt
What are four?
Turbulence in the atmosphere of the earth causes stars to do this
What is twinkle?
The number of constellations in the night sky
What is 88?
The reason some stars are brighter than others in the night sky
What is size and distance away from us?
The time it would take to reach the nearest star if you were traveling about 30 million mph
What is 100 years?
The number of variable stars discovered by Leavitt
What are 2400?
The biggest star we know of
What is a red hypergiant star?
(found in Canis Major called YY Canis Majoris)
The number of constellations in the Zodiac that lie on the sun's ecliptic
What are 12?
(Capricorn, Aquarius, Pisces, Aries, Taurus, Gemini, Cancer, Leo, Virgo, Libra, Scorpio, Sagittarius)
Nuclear reactions that give off energy that heats the star to extreme temperatures
Why do stars glow?
The amount of time it takes a ray of light from the sun to reach earth
What is 8 minutes and 20 seconds?