Factors conducive to the development of existence are thought to survive on a new planet found this year. For 11 years, planet hunters are monitoring a red dwarf star called Gliese 581 about 20 light years away suspected of harboring an Earthlike planet. The discovery of Gliese 581g was announced Wednesday. It’s considered a rocky planet, as opposed to a gas giant, that orbits at a distance called the “Goldilocks zone” where conditions aren’t too hot or too cold to preclude the existence of life.
The Goldilocks zone where we are able to go
The new planet found in 2010, Gliese 581g, was announced by Steven S. Vogt of the University of California, Santa Cruz and R. Paul Butler of the Carnegie Institution of Washington. The New York Times reports that Gliese 581g (GLEE-za) makes an orbit each 37 days with a 14 million mile distance. It orbits the dim red star known as Gliese 581. Scientists explain that within the Goldilocks zone, this is the only place where it is not too hot or too cold generating it possible for water and life to exist. When asked about life on Gliese 581g, Vogt said the chances “are almost 100 percent.”.
The factors why existence can survive on Gliese 581g
Gliese 581g is one of six known planets orbiting Gliese 581, a star about one-third the size and one-hundredth the brightness of the Sun. The Goldilocks zone has two of the planets orbiting Gliese 581 in it, reports Scientific Americans. Gliese 581g orbits between those worlds although it is three times the size of earth. The Goldilocks zone has never had an exoplanet found in it before. Now there is one. It does not have numerous similarities with Earth. You will find a couple of differences. The planet hunter’s suspect Gliese 581g is “tidally locked,” which means only one side faces its star, like the moon does to Earth. Surface temperatures are expected to range from 31 below zero Fahrenheit on the night side to 158 degrees on the day side. Vogt said that with this “edo-longitudes” of permanent night and day life could very possibly exist.
This year, exoplanets are now being identified
Gliese 581g was discovered using the radial-velocity, or “wobble,” technique. The wobble technique allows scientists to measure a gravitational pull that planets give stars during orbit, reports the Los Angeles Times. The Gliese 581 wobbles were indeed created by Gliese 581g as a result of brightness measurements the planet seekers made.
Citations
New York Times
nytimes.com/2010/09/30/science/space/30planet.html?_r=1 and ref=science
Scientific American
scientificamerican.com/article.cfm?id=habitable-exoplanet-gliese-581
Los Angeles times
latimes.com/news/nationworld/nation/wire/sns-earth-like-planet,,7897054.story
