The 9 planets in our solar system are evolving the sun via their own orbits.
This data provides normal vector of the orbital planes. Normal vectors are
unit-norm vectors, so that they are thought to reside on 2-dimensional sphere.
an \((9\times 3)\) matrix where each row is a normal vector for a planet.
Examples
## LOAD THE DATA AND WRAP AS RIEMOBJ
data(orbital)
myorb = wrap.sphere(orbital)
## VISUALIZE
mds2d = riem.mds(myorb)$embed
opar <- par(no.readonly=TRUE)
plot(mds2d, main="9 Planets", pch=19, xlab="x", ylab="y")
par(opar)