Show:
Written in the Stars
A Star is born
Buzz Words
To Infinity and Beyond
It all started with the Big Bang
100
remains of a star that has no fuel but glows faintly
What is white dwarf
100
more than 1/2 of all stars are members of this grouping (must have 2 or more stars)
What is star system
100
force that pulls matter in stars together
What is gravity
100
In the future the universe is probably going to
What is expand forever
100
after the big bang the universe was probably very (hot or cold)
What is hot
200
we know an eclipsing binary star because it...
What is becomes dimmer on a regular basis
200
the coolest stars are this color
What is red
200
range of colors through a prism
What is spectrum
200
solar system formed from...
What is a cloud of gas and dust
200
describe how solar system formed
What is large cloud of gas and dust cooled etc
300
the aboslute brightness of a star depends on these two things
What is size and temperature
300
loose grouping of a few thousand stars
What is open cluster
300
small asteroid like bodies that are building blocks of planets
What is planetismals
300
a light year is
What is distance light travels in a year
300
name 2 characteristics about the Milky Way
formed billions of years ago, spiral, arms, etc
400
HR diagram shows us what about stars brightness and how it affects temperature
What is as it increase in brightness, increase in temp
400
when a low mass star runs out of fuel it becomes a
What is white dwarf then black dwarf
400
msyterious force causing unvierse to expand
What is dark energy
400
3 ways spiral and elliptical galaxies are different / alike
What is spiral- more gas dust, younger, arms, etc.
400
what is the solar nebula
What is giant cloudof gas / dust that collapsed to form our solar system
500
3 characteristics used to identify stars
What is temp, brightness, size
500
when a high mass star runs out of fuel it becomes
What is supernova then a neutron star/ black hole when it stops glowing
500
one way we know that a planet may exist near a distant star is that the star starts to
What is wobble, baby, wobble
500
large optical telecopes are often located on mountains because... to be close to city lights to be close to stars to be above atmosphere
What is to be above atmosphere
500
how do we know age of universe
What is measure how fast galaxies are moving away from us, cosmic background radiation