A small, circular, device that can be awarded with medals (see: Rosette (decoration)).
A type of plant with their leaves at an upset stem in a typical form.
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Rose rosette disease (RRD), a disease believed to be caused by a virus, has been spreading through much of the wild rose population of the midwestern, southern and eastern United States for years, and has now been confirmed in cultivated roses in Virginia.
Rose rosette disease is caused by a virus or virus-like pathogen yet to be characterized.
The causal agent of rose rosette disease is not soil-borne, so it is possible to successfully plant healthy roses in beds where diseased plants have been removed; however, the pathogen may persist in old root pieces that remain in the soil from previous diseased roses.
The Rosette Nebula (also known as NGC 2237) is a large, circular H II region located near one end of a giant molecular cloud in the Monoceros constellation.
It is believed that stellar winds from a group of O and B stars are exerting pressure on interstellar clouds to cause compression, followed by star formation in the nebula.
The Rosette Nebula has an angular diameter of 1.3° and lies some 900 parsecs or 3000 light years from Earth's Solar System.
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