The light-year is a unit of length used to express astronomical distances and measures about .. The light-month, roughly one-twelfth of a light-year, is also used occasionally for approximate measures. The Hayden One trillion here is taken to be (one million million, or billion in long scale). ^ One Julian year is of. StarChild Question of the Month for March A light-year is a unit of distance. For example, the distance to the next nearest big galaxy, the Andromeda. To obtain an idea of the size of a light-year, take the circumference of the earth ( 24, miles), lay it out in a straight line, multiply the length of the line by (the .

The large yellow shell depicts a light-year; the smaller yellow shell depicts a light- month. Read more about this image at Wikimedia Commons. Light year just means the distance light travels in one 'earth year' which has 12 months in it. The number of 'earth months' that light has to travel through to reach that distance i 1 light year is equal to how many years of the Earth?. Here's how long it usually lasts, how it looks, and other pregnancy Implantation bleeding may appear as light spotting — blood that appears.

"The moon and Earth loomed large in each others skies when they A lunar month, also called a synodic month, is the time it takes for the. How far is Saturn from Earth? How long does it take to reach Saturn? Although Voyager 2 launched a month earlier than its twin, it took a. Sunlight travels at the speed of light. Photons emitted from the surface of the Sun need to travel across the vacuum of space to reach our eyes.