Distant Constellation

be the most distant galaxy ever seen – A galaxy called HD1 appears to be about 33.4 billion light years away, making it the most distant object ever seen

469. Bibcode:1922PA.....30..469R.  Ridpath, Ian. Constellation boundaries: How the modern constellation outlines came to be. Star Tales. self-published

Letters. 6 December 2017, 851 (1) [6 December 2017].  Staff. Finding the constellation which contains given sky coordinates. djm.com. [6 December 2017]. （原始内容存档于2019-08-15）

at 12:06 AM in Space Exploration. New 'Super Earth 2' Discovered in Constellation Libra. Dailygalaxy.com. 2007-06-15 [2009-01-18]. （原始内容存档于2009-01-11）

近地轨道一般在2000公里以下，在這裡的衛星多數是微卫星，亦可以是大型卫星互联网星座（英语：Satellite internet constellation）的一部分。要將它們飛往3萬6千公里以外的軌道是沒有可能的。有必要采取新举措确保物体在达到使用寿命前脱离。不同于需要三个月燃料的地球靜止