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Eclipse glasses are have

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special filters on them so that it is safe
to look directly at the sun.

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Even during
the partial phases of the eclipse.

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You can also put those on top of your
smartphone and take the pictures that way.

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A pinhole projection
is another safe way to view the eclipse.

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And there you have the sun at your back
and you project through the pinholes.

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This is an example of a pinhole projector
by the NASA punch mission.

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And you make an image
then of the partial eclipse on the ground

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in front of you.

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So during totality, when the moon totally
blocks out the main body of the sun,

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you get to see the sun's atmosphere,
the corona peeking out around the moon

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and I am so excited about that
because I study the corona.

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So I study why the corona has the dynamics
it has and

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and all of the different ways
that it behaves.

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And so I'm so excited to actually get
to see that with my own eyes.

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There are several
things that are different in this eclipse

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than the 2017 eclipse.

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The first is that more people
just live along the path of totality,

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which means they can just step outside
and see totality.

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The second thing is
that totality will last longer.

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The 2017 eclipse totality lasted
as long as about 2 minutes.

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For this one, it can last as long as 4
minutes, depending on where you are.

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And the third thing is that the sun itself
is going through this magnetically 

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active time period.

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It has these solar
maximum and solar minimum cycles.

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And right now we're in a maximum where
we have more activity and more complexity

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in the solar corona.

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We're measuring a number
of different things about the corona

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and also how the sun impacts the earth
and Earth's atmosphere.

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For the sun, we're
looking at the complexity of the corona

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and why the corona is so much hotter
than the main body of sun.

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Below it, the corona is hundreds of times
hotter and we're looking

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at how the Earth's atmosphere responds
to this reduction of sunlight

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when the moon totally blocks out the sun
and makes that sunlight go away.

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Yeah.

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Parker Solar Probe has made some amazing
discoveries about how the corona

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expands outwards
and fills our whole solar system.

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And later this year, Parker is going
to have its closest approach to the sun.

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It's going to touch the outer portions
of that Corona and Parker has already gone

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closer
than any spacecraft has ever gone before

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to the sun.

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Yeah.

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So as the sun is ramping up
and its magnetic activity cycles,

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that means that the portions of the corona
have these more

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magnetic fields tangling
and they can even have explosions.

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The magnetic field can tangle so much
that it explodes

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and bursts out into the solar system.

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We're safe here on Earth,
but of course we need to predict these

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for astronaut safety
and the safety of our missions.

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To learn more, you can go to go

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dot NASA.gov slash Eclipse 2024. [go.nasa.gov/eclipse2024]

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There's all sorts of information

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about details of the eclipse
path and timing and even

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science
that the public can get involved in.