For as long as anyone can remember, it has been suggested that Venus as a planet was not conducive to life forms and as such not livable, however the revelations from the NASA climate model has proven otherwise since it reveals that the planet might have been livbable. A report in Tech Times states, "The planet Venus that scientists know today is a hellish world characterized by a carbon dioxide atmosphere that is 90 times thicker than the Earth's atmosphere. The planet has almost no water vapor and with surface temperatures reaching up to 864 degrees Fahrenheit, the idea that the second planet from the sun can host life as we know it may seem far out."

It went on to add, "Projections of a NASA climate model, however, have revealed that planetVenus may have once been habitable. The planet may have once hosted a shallow and liquid-water ocean and a habitable surface temperature. Scientists working at NASA's Goddard Institute for Space Studies (GISS) developed a model similar to those used by climate scientists to explore the past history of Venus. They wanted to know if the planet may once had conditions similar to those in habitable Earth despite of its hot water-less surface and carbon dioxide-choked atmosphere.

The speed of a planet's rotation on its axis is known to influence the habitability of its climate. Venus has a notably slow rotation rate. A day on Venus is equivalent to 117 days on Earth. Scientists previously thought that the planet's slow rotation rate is because of its thick atmosphere. Newer research, however, has revealed that a thin Earth-like atmosphere may have also produced the same slow rotation rate, which means that an early Venus with atmosphere similar to that of the Earth may have had the same rotation rate as today."

The study conducted by NASA stated, "We find that such a world could have had moderate temperatures if Venus had a rotation period slower than ~16 Earth days, despite an incident solar flux 46 - 70% higher than Earth receives," It went on to add, "At its current rotation period, Venus's climate could have remained habitable until at least 715 million years ago."