Deletion of 1 gigametre

Comment: This is a list of arbitrary objects of about this size.  In this case, the information is superficially impressive because this is an astronomical distance.  But if you compare the equivalent article in a human scale — 1 metre — you can see how arbitrary this is - the height of a doorknob, the size of a hobbit, &c.  What we don't seem to have in any of these cases is any sourcing to support the selection.  The topic therefore fails 
Stance: delete
Cited policy: Wikipedia:Notability (WP:LISTN)

Comment: as . Orders of magnitude (length) has sufficient examples. What purpose is served by adding more picked at random
Stance: delete
Cited policy: Wikipedia:What Wikipedia is not (WP:INDISCRIMINATE)

Comment: along with the rest of the series.  Orders of magnitude (length) is all that is necessary.  These articles are redundant and 
Stance: delete
Cited policy: Wikipedia:What Wikipedia is not (WP:INDISCRIMINATE)

Comment: along with the rest of the series as 
Stance: delete
Cited policy: Wikipedia:What Wikipedia is not (WP:INDISCRIMINATE)