Celestia Forums

Thanks!

It's amazing how much the constellation patterns change in just a few short light years outward! Most of us spent our childhood looking at the stars, becoming familiar with our favorite constellations, and taking for granted that they won't change in our lifetime. However, even if we know how far aw...

Can anyone enlighten me as to whether or not the relative motion of the Starqueen nebula in M16 is known? I'm aware of high velocity motion within the nebula, as well as its distance and size, but I'm interested in knowing approximately how fast this nebula is moving (away from us, towards us, radia...

One thing that really stood out for me, using this 3d format, was just how much the constellations change in appearance after traveling just a few light years outward! Viewing the constellations from the location of Sirius, Vega, or any rather close stars makes a drastic change in the constellation ...