Quantcast

Latest RS Puppis Stories

Hubble Images Variable Star's Light Echo
2013-12-18 04:42:49

Observations from the NASA/ESA Hubble Space Telescope, collected over the span of five weeks, show the variable star RS Puppis growing alternately brighter and dimmer – a phenomenon known as a light echo.

b03647c8022a5b7e92bb3486fc1871c71
2008-02-11 08:30:00

Taking advantage of the presence of light echoes, a team of astronomers have used an ESO telescope to measure, at the 1% precision level, the distance of a Cepheid - a class of variable stars that constitutes one of the first steps in the cosmic distance.


Word of the Day
immane
  • Monstrous in size or character; huge; prodigious; monstrously perverse, savage, cruel, etc.
The word 'immane' comes from the Latin word 'immanis', 'enormous'.
Related