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Astronomers are baffled after they discovered a dwarf planet that has a ring orbiting it similar to Saturn instead of a moon because it should not be there. Scientists wonder how the tiny-sized planet can have such a ring orbiting it despite the gap between the two. This is because simple gravitational calculations suggest that there should be no ring at that distance surrounding the celestial body. Dwarf Planet with a Ring A professor at the Federal University of Rio de Janeiro in [...]

A study conducted by scientists from Brazil, the United States and Portugal investigated the accuracy and consistency of different satellite data collections with regard to the location and size of burned areas in the Cerrado biome, the Brazilian savanna. The results, published in the International Journal of Applied Earth Observation and Geoinformation will help improve the output produced by Programa Queimadas, a program run by Brazil's National Space Research Institute (INPE) to monitor [...]

The study shows the advantages of herbicide spraying and intensive fertilization in reforestation programs to mitigate the effects of climate change An experiment conducted in Brazil in an area of Atlantic Rainforest suggests that intensive silviculture, including the use of herbicide and substantial amounts of fertilizer, is a more effective approach to promoting the regeneration of tropical forest and biomass gain than the traditional method based on manual weeding and less fertilizer. The [...]