Space Weather 1
The continuous flow of electrons & protons from the Sun is called…
solar wind
The very center of the Sun is called the...
core
On the surface of the Sun, cooler air...
sinks
The radiative zone of the Sun transfers energy through…
radiation
A temporary disturbance of Earth’s magnetic field is called a...
geomagnetic storm
Name 1 possible impact of space weather.
disrupting radio communications, satellite failures, power grid failures
The Sun contains _____ % of all the mass in our solar system.
99.8% (I will take 99%!)
On the surface of the Sun, hot air...
rises
In the convective zone of the Sun, energy is transported away through…
convection
How fast is solar wind travelling?
approximately 1 million MPH
A solar radiation storm is caused by...
charged particles (protons & electrons)
Where does nuclear fusion occur in the Sun?
the core
Sunspots are dark because they are ______ than their surroundings.
cooler
A spot or patch appearing dark on the Sun’s surface is called…
a sunspot
An intense burst of radiation coming from the Sun’s release of magnetic energy is called a...
solar flare
A CME is much ___________ than a solar flare.
larger
The majority of the Sun is made up of helium & hydrogen. Which one makes up MORE of the Sun?
hydrogen
Compared to the Earth, what is the Sun’s gravity like?
28 times stronger
Where does the Sun rotate the fastest?
at the equator
A large cloud of energetic & highly magnetized plasma erupting from the Sun is called a...
CME
What role does Earth's atmosphere play regarding space weather?
protects us from radiation, solar flares, CMEs, etc
Because the Sun is gaseous, different parts of the Sun rotate at different speeds. This is known as...
differential rotation
What causes the Northern Lights?
electrons in the atmosphere releasing energy
outside: corona
chromosphere
photosphere
Why is Earth's geomagnetic field important?
protects us from space weather