HONEY, I SHRUNK THE SOLAR SYSTEM
Provided here is information to present
a scale model of the Solar System. I
have used this exercise with many groups, both small and large, with ages
ranging from upper elementary school students to adults. It always has a very powerful impact. I usually start by briefly introducing the
idea of a scale model with reference to the movie Honey I Shrunk the Kids. I begin
with the Earth, which seems so large to us, talking about how we reduce it in
size from approximately 8,000 miles in diameter to about a tenth of an inch. Then I start with Mercury and ask people to
identify each planet going out from the center and have someone take the scale
object and hold it up while I share some information about it, generally relating
it to Earth. When all the planets have
been identified I take out the balloon for the Sun and start blowing it up,
asking them how big they think it should be.
Then I ask how far Mercury should be from the Sun. The answer is usually quite a surprise for
most people. If you are indoors,
depending on the size of the room, you are limited in how much of the Solar
System you can set up to scale. If you
are outside with a large field, try to go as far as you can (I have gotten as
far as Saturn with a group – it is more than a fifth of a mile). Then talk about the scale distance to the
next star, and that our galaxy, the Milky Way, has over 100 billion stars and
that there are more than 100 billion galaxies in the universe!
Body
Actual Actual Scale
Scale Object used to
Distance Diameter Distance Diameter represent Body
from Sun
of Body from Sun of Body
r(1012m) D(108m) (Feet)
(Inches)
Sun
- 13.9 -
14 Large Yellow Balloon
Mercury
0.058 0.049 48
0.05 Head of a shirt pin
Venus
0.108 0.121 90
0.1 Head of a map pin
Earth
0.150 0.127 125
0.1 Head of a map pin
Mars
0.228 0.068 190
0.05 Head of a shirt pin
Jupiter
0.779 1.427 649
1.5 Golf Ball
Saturn
1.429 1.208 1191
1.2 Ball/Cardboard Rings
Uranus
2.868 0.511 2390
0.5 Marble
Neptune
4.493 0.492
3744 0.5 Marble
Pluto
5.850 0.023 4875
0.02 A typed period
NOTE:
At this scale, the next nearest star, Alpha Centauri, would be 6260 miles from
the Sun!
Also, at this
scale, the Moon would be about 4 inches from the earth and would be a tiny ball
about 1/32” in diameter. This scale model provides a powerful
witness to the incredible size of God’s creation. Our Sun is an average sized star. Our galaxy, the Milky Way, contains over 100
billion stars. Astronomers estimate that
there are at least 100 billion galaxies in the universe. When we understand this, the words of Psalm 8
are so appropriate:
O Lord, our Sovereign,
how majestic is your name in all the
earth!
You have set your glory above the heavens.
When I look at the heavens, the work of your
fingers,
the moon and the stars that you have
established;
what are human beings that you are
mindful of them,
mortals that you care for them?
(Psalm 8:1, 3-4 NRSV)
Three thousand
years ago, the psalmist looked at the stars and was filled with awe and
wonder. Throughout the centuries, many
have shared this experience. Immanuel
Kant declared, “Two things fill the mind with ever increasing wonder and awe -
the starry heavens above me and the moral law within me.” Modern science has made known to us a
universe filled not just with sun and moon, stars and planets, but also with
nebulae and galaxies, quasars and black holes.
Science
reveals a world filled with wonders and mysteries. Many scientists find that their work inspires
in them a strong sense of wonder. Yet,
as a pastor, one of my great concerns is that so many Christians nowadays seem
to lack a lively sense of awe and wonder in their faith and life. “Been there, done that” seems to better
express their feelings. The results are
devastating. Without a sense of awe
towards that which is greater than ourselves drawing us out of ourselves, our
vision seldom goes much further than our own interests, experiences and
struggles. Abraham Joshua Heschel said:
“The surest way to suppress our ability to understand the meaning of God and
the importance of worship is to take things for granted. Indifference to the sublime wonder of being
is the root of sin.” Faith calls us to
encounter the living God, Creator of heaven and earth, the Mysterium
tremendum et fascinans. Without a sense of awe and wonder,
without “the fear of the Lord’, faith loses depth; it is at risk of becoming a
one dimensional caricature of itself.
I believe that
one of the greatest contributions science can make to faith (although certainly
not the only one) is to help inspire in us a sense of wonder and awe. It can help renew in us the thrill of mystery
and the adventure of discovery. It can
give us perspective on our life and experience.
Albert Einstein said “The most beautiful and deepest
experience a man can have is the sense of the mysterious. It is the underlying principle of religion as
well as of all serious endeavor in art and in science.
He who never had this experience seems to me, if not dead, then at least
blind.”
On the other
hand, our experience of science and technology can also serve to diminish our
sense of awe and wonder. Science can be
pursued as a playful, awestruck adventure of discovery, or it can be pursued as
a means to control and dominate.
Technology can help open up to us the wonders of the universe or it can
tend to obscure them, while soon becoming itself just one more thing to be
taken for granted. As an amateur
astronomer, I experience this graphically.
Telescopes reveal the incredible beauty and majesty of nebulae and
galaxies. City lights, however, can
reduce the number of stars visible with the naked eye to an uninspiring few
dozen.
The call is
not that we should somehow try to capture or create a sense of awe. That would be pointless, since awe is
experienced in encountering that which is greater than us. I believe, though, that we can learn to open ourselves
to awe, to seek such encounters and respond to them so that we live standing in
awe rather than sitting in apathy. We
must also, by faith, take the step the psalmist took, from a sense of wonder at
creation to awe before the Creator.
We can do this
individually to enrich our own faith. I
would also encourage you to look for opportunities to share with groups, in
your congregation or on your campus, ways in which science has helped you
experience awe and wonder. Reading the works of authors who express a strong sense of wonder
helps greatly. Loren Eiseley is
one of my favorites. Take time to
experience the beauty and majesty of creation.
If you live in the city and are traveling on a clear evening away from
city lights, find a dark stretch of road, pull over for ten minutes and enjoy
the dark sky with thousands of stars. In
leading small groups, I have asked people to remember and share times
they have felt a strong sense of awe and wonder. I have also handed out nature pictures
(calendars are great source of pictures) and had people discuss their reactions
to them. Clearly it is not enough to
just present some “Gee whiz” science, but I think that for this sort of thing,
we must do more than just talk about awe. We must do what we can to help people
experience awe. This is an ongoing
interest for me and I would enjoy hearing any ideas you might have.