Photo © D. Finnin/AMNH

The Scales of the Universe, a 400-foot-long walkway that hugs the glass curtain wall along the second level of the Rose Center for Earth and Space, illustrates the vast range of size in the universe — from the enormous expanse of our observable universe to the smallest subatomic particles — by using the 87-foot Hayden Sphere as a basis for comparison.
The Scales of the Universe exhibit introduces visitors to the relative sizes of galaxies, stars, planets, and atoms through text panels, interactive terminals, and models. Enormous, realistically rendered planets, stars, and galaxies — including a 9-foot model of Jupiter and Saturn with 17-foot rings — are suspended from the ceiling of the building, soaring over visitors' heads. [More Info]