As logical as the definition of a parsec is, it’s still likely to come across as unnecessarily complicated to most people. By contrast, thelight-yearis much easier to understand. It’s simply the distance that light travels in a year, and it’s been in use since at least 1838. The ...
A comment on Hank's definition of parsec: A parsec is the distance at which the diameter of the Earth's orbit, (not of the Earth itself as Hank mistakenly writes) subtends an angle of 1 arc second. By Hank — On Mar 24, 2009 When I was a freshman, we were required in physic...
There is a good formula that we can use to estimate the lifespan of a star. The assumption is that the star would have a similar composition as our... Learn more about this topic: Stars | Definition, Study & Facts from Chapter 8/ Lesson 12 ...
To play, gamers install a client program that connects to the server where the games are hosted. Compatibility is typically not an issue since cloud gaming allows streaming to various devices, including computers, laptops,smartphones,smart TVs, or gaming consoles. This eliminates the need for game...
The latus recturm is a major parameter used in conic sections. It is the chord or the line segment that passes through the focus of a conic section... Learn more about this topic: The Circle: Definition, Conic Sections & Distance Formula ...
The multiverse If we define "universe" as "all there is" or "all that exists," then obviously, by definition, there can be only one universe. But if we define "universe" as "all we can ever see" (no matter how large our telescopes) or "space-time regions that expand together," th...
The String, Text, ByteString problem As experienced Haskellersarewellaware, there are multitude of string types in Haskell: String, ByteString (both lazy and strict), Text (also both lazy and strict). To make matters worse, there is no one "correct" choice of a string type: different type...
Ask a question Search AnswersLearn more about this topic: Astronomical Unit | Definition & Conversion from Chapter 3 / Lesson 6 67K See what an astronomical unit is and how to convert an astronomical unit to miles. Learn how to measure light-years and the size of the solar system in...
What is a time period?Period:Every body whose movement is periodic has a time that is known as a period. The period is the time it takes for the body to make a complete turn, that is, to return to the point where it initially started. In the movement of a pendulum around its ...
The universe is expanding, as most galaxies show redshift instead of blueshift. Astronomy has a number of terms that sound exotic to the non-astronomer. Most people have heard of "light-years" and "parsec" as terms of distant measurements. But, other terms are more technical and may sound...