Secretariatâs grandsires fared a bit better, with grandsons A.P. Indy a Horse of the Year winner and great-granddaughter Rags to Riches the 2007 Belmont Stakes champion. In the fall of 1989, the 19-year-old champion developed laminitis, an incurable hoof condition; he was euthanized in October of that year.
Quick Answer. The average daytime and the average night-time temperature of Uranus is -193 degrees Celsius. There is no change in the temperature from day to night for the seventh planet in the solar system. Uranus is the coldest planet in this solar system, even though it is not the furthest planet from the sun.
How long is a day on Uranus? A planet's day is the time it takes the planet to rotate or spin once on its axis. Uranus rotates faster than Earth so a day on Uranus is shorter than a day on Earth. A day on Uranus is 17.24 Earth hours while a day on Earth is 23.934 hours. However, Uranus spins backwards compared to Earth and most of the other planets.