Properties of
coalesced and adjacent uncoalesced surface soils were assessed at selected sites on 15 commercial orchards.
That's the maximum number of Neptunes that could have
coalesced from the amount of ice, dust, and gas particles that then inhabited the solar system's outskirts, notes Chiang.
Melosh's calculations suggest that when the comet
coalesced, it did so at pressures and temperatures too low for water to be liquid.
If Titan
coalesced near Saturn, as Owen proposes, the fledgling moon could have easily incorporated ammonia.
Because the Big Bang forged only hydrogen, helium, and trace amounts of lithium, the first stars
coalesced in the absence of heavier atoms.
According to the most widely accepted scenario, a Mars-size rock slammed into the Earth 4.5 billion years ago, spewing material that
coalesced into the moon.
According to Boss, even if a Jovian planet took a few million years to form, as in the core-accretion model, that's still not enough time for Earth-size planets to have
coalesced in the inner part of a protoplanetary disk.
Star-forming galaxies were common when the universe was young, but most apparently
coalesced into even larger galaxies.
Another possibility is that Phoebe
coalesced near its present location from the nebula of dust, gas, and ice that swaddled the young sun.
CLUSTER CONNECTION In addition to studying explosions inside individual galaxies, astronomers are also trying to glimpse dark energy's effects by determining when and how dusters of galaxies
coalesced.