Question: where does google maps get its satellite images from
[{'answer': 'satellites', 'provenance': [{'wikipedia_id': '1494648', 'title': 'Google Maps', 'start_paragraph_id': 3, 'start_character': 198, 'end_paragraph_id': 3, 'end_character': 208, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': 'aircraft', 'provenance': [{'wikipedia_id': '1494648', 'title': 'Google Maps', 'start_paragraph_id': 3, 'start_character': 144, 'end_paragraph_id': 3, 'end_character': 152, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '1494648', 'title': 'Google Maps', 'start_paragraph_id': 3, 'start_character': 0, 'end_paragraph_id': 3, 'end_character': 434, 'bleu_score': 0.7982319299690901, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 9503990608193253995}, 'section': 'Section::::Abstract.'}]}]