Not exact matches
Instead, the team proposes, soot and other particles in the ships» exhaust create large numbers of
cloud droplets that are, on average,
smaller than those forming around natural dust particles in the air
elsewhere over the ocean.
Elsewhere in the image, we can look into Orion A's dark molecular
clouds and spot many hidden treasures, including discs of material that could give birth to new stars (pre-stellar discs), nebulosity associated with newly - born stars (Herbig - Haro objects),
smaller star clusters and even galaxy clusters lying far beyond the Milky Way.
And indeed after determining the absolute brightnesses of lots of Cepheids (in the
Small Magellanic
Cloud and
elsewhere), it turned out that there is such a universal relationship (different chemical composition has some influence on this, too, but this can usually be taken into account easily).