Space Odd­i­ty, David Bowie’s endur­ing, sad and won­der­ful song, immor­talised on video by astro­naut Com­man­der Chris Had­field, is to be removed from the inter­net tonight. There is every chance it will re-emerge here and there, but it may be dif­fi­cult to find – at present, who knows. There was an agree­ment with David Bowie that it…