Telescopes
Characteristics of Stars
Lives of Stars
Galaxies and Star Systems
Challenge
100
The year Galileo invented the telescope.
What is 1608?
100
A pattern of stars that forms an imaginary shape or picture.
What is a constellation?
100
The stage that all stars begin as, a cloud of dust and gas spread out in an immense volume.
What is a nebula?
100
Star systems that have two stars are called double stars or THIS.
What is a binary star?
100
The distance from the crest of one radio wave and the next.
What is wavelength?
200
The two most common types of optical telescopes, telescopes that use mirrors or lenses to focus light.
What are refracting and reflecting telescopes?
200
A graph relating the surface temperatures and absolute brightness of a star.
What is the Hertzsprung-Russel diagram?
200
The fourth stage in the life of a high-mass star, the stage before a supernova.
What is a supergiant?
200
This occurs when one star periodically blocks the light from another star.
What is an eclipsing binary?
200
The amount of miles away a light year is. (Hint: ___ million million km away.)
What is 9.5 million million kilometers?
300
Buildings that contain one or more large telescopes.
What are observatories?
300
The brightness of a star as seen from Earth, easily measured with electronic devices.
What is a star's apparent brightness?
300
The two paths a high-mass star can take after exploding as a supernova.
What are neutron stars and black holes?
300
The type of galaxy that our Milky Way is considered to be.
What is a spiral galaxy?
300
The two types of major clusters.
What are open clusters and globular clusters?
400
The reflecting telescope that takes very detailed pictures of Earth from above the atmosphere.
What is the Hubble Space Telescope?
400
The five elements that make up the characteristics to classify a star.
What is brightness, temperature, size, color, composition?(BTSC²)
400
How long a star lives depends on this.
What is mass?
400
Uses powers of ten to write large numbers in shorter forms.
What is scientific notation?
400
The amount of light years away a quasar is. (Hint: somewhere in the billions)
What is 10 billion light years?
500
Name three of the categories in the electromagnetic spectrum.
What are radio waves, infrared radiation, visible light, ultraviolet radiation, X-rays, or Gamma rays? (ANY 3)
500
The apparent change in position of an object when you look at it from different places.
What is parallax?
500
A spinning neutron star that gives off regular pulses of radio waves.
What are pulsars?
500
The most distant objects in space, very bright but far away.
What are quasars?
500
Name the qualities of an irregular galaxy.
What are: - Bright, young stars - Lots of gas and dust
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