The Universe normally does an overview of ‘space news’ each month. But after the events of last week, we thought it would be a good idea to re-cap!
This is a selection of breaking news stories, all covered by The Universe, from February 11-17, 2013.
Meteor explodes over Russia – Image: AP (Nasha Gazeta Newspaper http://www.ng.kz/AP)
More Information: http://www.facebook.com/photo.phpfbid=475602839171560&set=a.433415610056950.106382.334816523250193&type=1&theater
2012 DA14 Flyby – Image: Dave Herald, Murrumbateman, Australia
More Information: http://www.facebook.com/photo.phpfbid=475124325886078&set=a.433415610056950.106382.334816523250193&type=1&relevant_count=1
Landsat Data Continuity Mission Launch –
Image: United Launch Alliance
More Information: http://www.facebook.com/photo.phpfbid=473579899373854&set=a.371203752944803.89148.334816523250193&type=1&relevant_count=1
Hubble Images Interacting Galaxies:
Image: ESA/Hubble & NASA
More Information: http://www.facebook.com/photo.phpfbid=476314879100356&set=a.455520841179760.110988.334816523250193&type=1&relevant_count=1
Image: Peter Ward, Barden Ridge Observatory
What are the health impacts of extreme heat?
Most heat-related illnesses occur when victims have been overexposed to heat or have over-exercised for their age and/or physical condition. When extreme heat is at its most deadly, it kills by forcing the human body beyond its capacity to cool itself down, slowing the processes by which normal body temperature is maintained.
Who’s at risk?
Heat-related illnesses and deaths are preventable. When extreme heat occurs, it’s important to be aware of those at greatest risk for experiencing its effects: the very young, the elderly, and people with chronic diseases and/or mental illness. Even young and healthy individuals, however, can succumb to heat if they take part in overly strenuous physical exercise outdoors during hot weather.
People living in urban areas are at high risk also, thanks to the poor air quality of many large cities and often-stagnant atmospheric conditions, which trap pollutants in the air. When people breathe in these pollutants, they can trigger a wide range of respiratory problems.
Asphalt and concrete also store heat longer and gradually release heat at night, leading to higher evening temperatures. Known as the urban “heat island” effect, this can prevent or reduce nighttime relief from extreme heat in a large city.