article_snippet: When astronomers first started taking ultraviolet images of Venus, astronomers were somewhat baffled by a mysterious ‘Y’ shape that covered the planet.
article_snippet: Spanish astronomers have revealed a new theory for a 'Y' shape on Venus (annotated image from the Pioneer Venus Orbiter in 1979 shown).
article_snippet: Spanish astronomers say a new theory for a 'Y' shape on Venus (annotated image from the Pioneer Venus Orbiter in 1979 shown) is formed by winds pushing a 'wave' of clouds on the planet.
article_snippet: a new theory for a 'Y' shape on Venus (annotated image from the Pioneer Venus Orbiter in 1979 shown) was proposed by astronomers from the Institute of Astrophysics of Andalusia (IAA-CSIC) in Granada, Spain, in collaboration with the university of the Basque Country and the Institute of Astrophysics and Space Sciences of Portugal.
article_snippet: An illustration of the surface of Venus is shown on the right .
article_snippet: The wave seems to be 'pushing up' this ultraviolet absorber from below on Venus - although what this substance is, which gives the feature the feature dark appearance, remains a mystery. '
article_snippet: The strange shape on Venus was first spotted by Nasa's Mariner 10 spacecraft when The strange shape on Venus arrived at Venus in 1974.
article_snippet: The astronomers have also, for the first time, created a simulation that reproduces the evolution of The strange shape on Venus over the course of a month.
article_snippet: Understanding the shape will allow astronomers to study the ‘super-rotating’ nature of the Venusian atmosphere.
highlights_snippet: Spanish astronomers have revealed a new theory for a 'Y' shape on Venus .
  
highlights_snippet: Spanish astronomers say a new theory for a 'Y' shape on Venus is formed by winds pushing a 'wave' of clouds on the planet .
  