Not exact matches
The pacifier clips have eight multi-colored beads threaded through a
narrow satin ribbon that attaches to a pacifier on one end and a plastic D -
ring on the
other.
«All we need to produce
narrow rings and
other structures in our models of debris disks is a bit of gas, too little for us to detect today in most actual systems,» said co-author Marc Kuchner, an astrophysicist at NASA's Goddard Space Flight Center in Greenbelt, Md..
Shimizu's team has devised the means of synthesizing two different
rings that generate two distinct molecular tubes: one has a
narrow, oval bore, and the
other has a larger, circular bore.
Climate «science» poses the question the
other way round — given a wide (or
narrow) tree
rings was the weather warmer (or cooler) in that year.
It would be nice to know that a
ring was missing because of external (random) damage as opposed to missing because the growing conditions were so poor that some trees show no measurable
ring (while
others have very
narrow ones at the same time).