Plague is a rare but deadly bacterial infection causing fever, vomiting, seizures, organ failure, and more. Kawasaki disease is an uncommon inflammation of the blood vessels; the most common symptom is fever. Whooping cough, a contagious respiratory infection, causes a runny nose, a mild fever, and a severe cough.
In astronomy, declination (abbreviated dec; symbol Î´) is one of the two angles that locate a point on the celestial sphere in the equatorial coordinate system, the other being hour angle.eglecting atmospheric refraction, declination is always 0Â° at east and west points of the horizon. At the north point, it is 90Â° â | Ï |, and at the south point, â90Â° + | Ï |.
Right Ascension & Declination. Right Ascension and Declination are a system of coordinates used in astronomy to determine the location of stars, planets and other objects in the night sky.They are similar to the system of longitude and latitude used to locate places on Earth.ight Ascension & Declination. Right Ascension and Declination are a system of coordinates used in astronomy to determine the location of stars, planets and other objects in the night sky.