A time astatine Uranus conscionable got a small longer
ByMARCIA DUNN AP aerospace writer
CAPE CANAVERAL, Fla. -- A time astatine Uranus conscionable got a small longer.
Scientists reported Monday that observations by the Hubble Space Telescope person confirmed it takes Uranus 17 hours, 14 minutes and 52 seconds to implicit a afloat rotation. That’s 28 seconds longer than estimates by NASA’s Voyager 2 spacecraft successful the 1980s.
A French-led squad studied a decade’s worthy of aurora observations astatine the crystal elephantine to way its magnetic poles. That semipermanent tracking provided a much precise rotation play for Uranus, the seventh satellite from the sun. From that distance, it takes astir 84 Earth years for Uranus to orbit the sun.
“The continuous observations from Hubble were crucial,” pb writer Laurent Lamy of the Paris Observatory said successful a statement.
Lamy and his planetary squad said this caller attack tin assistance pinpoint the rotation of immoderate satellite with auroras and a magnetosphere.
Published successful the diary Nature Astronomy, the findings travel a fewer weeks earlier the 35th day of Hubble's launch. NASA's abstraction shuttle Discovery delivered the abstraction scope to orbit connected April 24, 1990.
___
The Associated Press Health and Science Department receives enactment from the Howard Hughes Medical Institute’s Science and Educational Media Group and the Robert Wood Johnson Foundation. The AP is solely liable for each content.