Speed of light they appeared 13 billion years ago, when the universe was less than a billion years old. The fact that more distant objects appear to be younger, due to the finite speed of light, allows astronomers to infer the evolution of stars, of galaxies, and of the universe itself. Astronomical distances are sometimes expressed in light-years, especially in popular science publications and media. A light-year is the distance light travels in one year, around 9461 billion kilometres, 5879 billion miles, or 0.3066 parsecs. In round figures, a light year is nearly 10 trillion kilometres or nearly 6 trillion miles. Proxima Centauri,
Trillion Fund Trillion Fund Trillion Fund is a equity crowdfunding platform that raises money for environmental and social projects. It was founded in 2011 by Dr. Michael Stein and Phillip Riches. The platform was launched in response to warnings given by the United Nations that it will take US$1 trillion of investment annually to prevent the world from warming by more than 2 degrees. This one trillion figure gave rise to the company's name. Trillion is privately owned. Vivienne Westwood became a majority stakeholder in March 2013, and Albion London took a stake in April 2014. Mark Stevenson has a role in