Telescopes
Characteristics of Stars
Lives of Stars
Star Systems and Galaxies
Miscellaneous Universe
100
radio waves, infrared radiation, visible ,light, ultraviolet radiation, x-rays and gamma rays.
What does the electromagnetic spectrum include? (i.e., radio waves, etc.)
100
color, temperature, size, composition and brightness.
What is characteristics used to classify stars?
100
When nuclear fusion starts.
When is star born?
100
star systems.
Most stars are members of groups of 2 or more stars called what?
100
What is the Big Band theory?
According to the what theory does the universe form in an instant, billion years ago during an enormous explosion?
200
what are Telescopes
What are instruments that collect and focus light and other forms of electromagnetic radiation?
200
Both its size and temperature.
What determines the brightness of a star?
200
Its mass.
How long a star lives depends on what?
200
Categories that most astronomers classify galaxies into.
Spiral, elliptical and irregular are what?
200
What is 5 billion years ago?
About how many year ago did a giant cloud of gas and dust collapse to form our solar system?
300
Collects and focuses light and other forms of electromagnetic radiation.
Telescopes do what?
300
light-year
Astronomers use a unit called what to measure distance between stars?
300
it becomes a white dwarf, a netron star or a black hole.
What happens to a star when it runs out of fuel?
300
spiral galaxy called the Milky Way.
Which galaxy is our solar system located?
300
What is Hubble's law?
What is the observation that the farther away a galaxy is the fast it is moving away?
400
on mountaintops or in space
Where are many large observatories located?
400
What is parallax?
What do astronomers use to measure distance to nearby stars?
400
A large cloud of dust and gas in space spread out in immense volume.
What is Nebula?
400
Galileo produced the first telescope in 1609. In 1668 a man by the name of __________________ furthermore designed a reflecting telescope.
Who is Issac Newton
400
What is planetesimal?
What is one of the small asteroid-like bodies that formed the building blocks of the planet called?
500
What are the nine planets?
What is Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune, Pluto
500
H-R diagram. (Hertzsprung-Russell)
What diagram do astronomers use to classify stars and to understand how stars change over time?
500
What is supernova?
*****DOUBLE BONUS**** The brilliant explosion of a dying supergiant star.
500
Scientific notation
What do scientists often use to describe sizes and distances in the universe?
500
What is cosmic background radiation?
******Double Bonus****** I am the electromagnetic radiation left over from the Big Bang.
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