martes, 1 de marzo de 2016

IMAGE OF BLUE BUBBLE IN SPACE


WR 31a

NASA's Hubble Space Telescope was able to capture an image of the spectacular blue bubble in space a star called WR 31a enveloped in a bed of blue wonder. 

The image is probably the most detailed photo of the star ever captured.

The blue bubble encircles a Wolf-Rayet star that is located some 30,000 light years away from the Earth and is found in the Carina Constellation.

The bubble is said to be composed of hydrogen, dust and helium, among many other gases. It is a product of rapidly moving stellar winds that made contact with the outer parts of hydrogen emitted by Wolf-Rayet stars. The resulting nebulae most commonly follow a ring or spherical shape.

Astronomers estimate that the bubble was created approximately 20,000 years ago and continues to extend at a rate of about 136,700 miles per hour.

Despite its ethereal beauty, the blue bubble is not meant to stay for so long. Such star only live for about 100,000 years, which is very short in terms of cosmic standards.

"And WR 31a is no exception to this case," says NASA in a statement.

For comparison, the sun is 20 times smaller, five to 30 times cooler and more than a million times dimmer than Wolf-Rayet stars. These characteristics signify that WR stars are so massive, fiery and bright. However, these same spectacular sounding features are the very reasons why it is short lived.

The tremendous amount of energy that these stars have subjects it to lost of mass by up to about 50 percent. The sun, for comparison, has been shining brightly for billions of years, yet it is just at the middle of its life.

Eventually, WR 31a will succumb to death and become an equally amazing supernova. The resulting objects from its explosion will produce new generation stars and perhaps new planets that will most likely make equally mesmerizing impacts to the universe.