What is the name of the barrier of galaxies that is over 1 billion light years in length?
What is the Great Sloan Wall
100
In 26,000 years, after precession occurs, what will be our new North Star?
What is Vega
100
What is the element that is responsible for the death of a star?
What is iron
100
What is the name of the largest star ever discovered?
What is VY Canus Majoris
100
Name one of two ways to estimate the age of the universe.
What is measure the distance from Earth to various galaxies, or, calculate the ages of old, nearby stars
200
What is the name for the "glue" that holds the universe together, and is also the explanation for the missing mass that astronomers are unable to account for in all galaxies?
What is dark matter
200
What class, O, B, G, or K, is a blue star?
What is O
200
How do we have precious metals like gold, silver and platinum?
What is they are produced during the explosion of a massive star. This is the only way that these elements can be produced.
200
What is the name of a very luminous starlike object that generates energy at a very high rate?
What is a quasar
200
The expansion of the universe depends on what?
What is how much matter the universe contains
300
What instrument do astronomers use to break a stars light into a spectrum?
What is a spectrograph
300
Astronomers can see stars as dim as what magnitude?
What is 29th
300
How much larger are supergiants than the sun?
What is at least 100 times larger than the sun
300
What is the temperature of the core of the sun?
What is 27 million degrees F
300
Our solar system, and other systems of planets are know as what?
What are planetary systems
400
What is the name of the nebula made of cool hydrogen gas in which one of the pillars is 4 light years tall?
What is the Eagle Nebula
400
What is the absolute magnitude of the Sun?
What is +4.8
400
How large must a pocket of hydrogen gas be in order to produce a star the size of our sun?
What is 100 times larger than our solar system
400
What is the name of a failed star?
What is a brown dwarf
400
What is the name of the substance that is responsible for pulling the universe apart?
What is dark energy
500
One teaspoon of neutron star weighs how much?
What is 1 billion tons
500
What is the speed of light?
What is 186,282 m/s
500
The brightest stars are how much brighter than the sun?
What is 1 million times brighter
500
If Jupiter were this much larger it would have turned into a small star.
What is 10 times larger
500
How are atoms such as carbon, nitrogen, and magnesium a part of the human body?
What is they are produced in the core of a dying star before it explodes