Stars 1
a cloud of gas and dust
What is a stellar nursery?
The explosion of a large star.
What is a SUPERNOVA?
How many earths could fit inside the sun?
What is ONE MILLION?
What can you infer about helium from the fact that it's made by nuclear fusion reactions inside the sun?
What is helium is heavier than hydrogen?
What happens before a black hole comes into existence?
What is an old star collapses in on itself?
Protostar: What can you infer about the prefix "proto-?"
What is "first" or "before"?
How does a white dwarf compare to our sun as it exists now?
What is a white dwarf has a similar mass but is much denser?
The Sun's radiation is responsible for earth's _.
What is TEMPERATURE?
What is the relationship between the sun and life on earth?
What is the sun powers life on earth?
Astronomers categorize galaxies into a handful of basic shapes. What can you conclude from this fact?
What are galaxies are generally all formed by the same forces?
Place the following stages in the life of a low-mass star in order:
A) Red giant
B) White dwarf
C) Main sequence star
What is C-A-B?
Main Sequence Star => Red Giant => White Dwarf
What will a star that's 1,000 times as massive as the sun ultimately become?
What is a BLACK HOLE?
Where can you find the photosphere?
What is at the surface of the sun?
What causes the seasons?
What is the tilt of the earth on its axis?
Dark __ holds a lot of the universe's mass.
What is the dark MATTER?
Describe the process of Nuclear Fusion, as it occurs inside our sun.
What is hydrogen atoms combine (or fuse together) to make helium atoms?
How is a neutron star different from a regular star?
What is a neutron star emits electromagnetic pulses?
How much hotter is the core of the sun than its surface?
What is more than 1,000 times?
The light from a star moving away from us would be experiencing:
What is REDSHIFT?
How are elliptical galaxies different from spiral galaxies?
What is they (elliptical galaxies) contain older stars and less gas and dust?
What effect does gravity have on stars?
What is gravity forms stars from clouds of gas and dust and causes them to ignite?
What term best characterizes the sun?
What is a Mid-Sequence Star?
__ and __ are the two elements that make up the sun.
What are HYDROGEN and HELIUM?
What force causes galaxies to move away from one another?
What is the energy left over from the Big Bang?
What would happen to galaxies without gravity?
What are galaxies would fall apart?