Question: the source of heating in the thermosphere is the absorption of
[{'answer': 'highly energetic solar radiation', 'provenance': [{'wikipedia_id': '47463', 'title': 'Thermosphere', 'start_paragraph_id': 1, 'start_character': 589, 'end_paragraph_id': 1, 'end_character': 621, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '47463', 'title': 'Thermosphere', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 1115, 'bleu_score': 0.677602413461398, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 2111885388859598662}, 'section': 'Section::::Abstract.'}]}]