Re the telescope for space mad 7 year old, have you thought about binoculars? We bought a telescope for my daughter of about the same age and by the time they had walked away from the house, set it up on uneven ground, my husband eventually found something, she tried to look through one eye, then knocked the telescope so it needed resetting - the binoculars were much faster with the star app. I also think you will probably get better binoculars for the same telescope money. Obviously if very serious and big budget there are some awesome telescopes. Also binoculars take up less space. There are some articles on the web I found after buying the telescope saying the same thing.