Presently, the Sun is approximately ____% hydrogen, ____% helium, and ___% metals
What is 70%, 28%, and 2%?
The surface of the Sun is called the _______________
What is photosphere?
A sudden eruption of energy that looks like a whip and usually occurs near sunspots
What is a solar flare?
The Sun's rotation at the poles in this many days
What is 35 days?
What all stars, galaxies, and solar systems start from
What is a nebula?
The Sun contains at least _______% of the total mass of the solar system
What is 99.8%?
The temperature of the Sun's surface is approximately ______degrees Fahrenheit
What is 10,000?
The biggest of all solar storms and have the potential to cause catastrophic damage to electric
grids is called _____________ ________________ ________________
What is coronal mass ejections?
The Sun's rotation at mid-latitudes in this many days
What is 30 days?
Our Sun is considered to be this type of star
What is a Yellow G Dwarf star?
Conditions at the Sun's core are extreme; where the temperature is approximately
_____________ degrees Fahrenheit
What is 27 million?
__________ are "cool" regions that form on the surface of the Sun and look darker by comparison
then the surrounding area. They can be very large, some exceeding _______ km in diameter
What are sunspots and 50,000 km?
A large, bright, gaseous and primarily loop shaped arc of energy extending outward from the
photosphere and are anchored to the Sun's surface
What is a prominence?
The Sun's rotation at the equator in this many days
What is 25 days?
This is the heaviest element a star can produce during nuclear fusion
What is Iron?
At the center of the core, the Sun's density is more than __________ times that of water
What is 150?
The sun goes through a natural solar cycle approximately every _____ years and is called
the ___________________ ________________
What is 11 years and Milankovitch Cycle?
This is how many Earth's can fit inside the Sun
What is 1.3 million?
A single photon journey starts here and takes millions of years
What is the Sun's core?
The part of our Sun's lifecycle that comes after Main Sequence
What is Red Giant?
The Sun's power, approximately 386 billion billion Mega Watts. This power is produced by
___________________________
What is nuclear fusion?
Fewer sunspots is called
What is solar minimum?
These are particles of light
What are photons?
The 2nd stop after the start of a single photon's journey is here. It is sometimes called the
"Random Walk" and takes millions of years
What is the radiative zone?
At the center of a Planetary Nebula, is this
What is a White Dwarf?
The reaction indicated in the previous question occurs when two or more __________
___________ collide at a very high speed and join to form a new type of ___________
____________
What is atomic nuclei and atomic nucleus?
The greatest number of sunspots
What is called solar maximum?
The speed of light
What is 300 million meters/second?
The 3rd stop during a single photon's journey which takes only 1 month is called
What is the convection zone?
An explosion of a massive star
What is supernova?
An example of this reaction indicated in the previous question, that is happening in the Sun right now is when
_______________ fuses into _____________
What is hydrogen to helium?
Moving upward from the Sun's surface lies a reddish gaseous layer called the
_______________ which is approximately 2 million degrees Fahrenheit and with the
______________ forms the Sun's outer atmosphere
What is the chromosphere and corona?
It takes this many minutes for the Sun's rays to reach Earth
What is 8 minutes?
This is how old our sun is
What is 5 billion years old?
A super massive star can turn into this
What is a black Hole?
This is the only time the corona of the Sun is visible
What is during a total solar eclipse?
The Sun's magnetic field is very strong and extends well beyond the
_____________ ______________ _____________
What is the dwarf planet Pluto?
The current stage of the Sun's lifecycle
What is Main Sequence?
This is the stream of particles coming from the Sun that interacts with our atmosphere and is
called either the Aurora Borealis or Aurora Australis
What is the solar wind?
What scientists consider the universe started as
What is a singularity?