{"id": 921859140464627712, "lang": "en", "text": "In pursuit of Mars, researchers address one of their greatest challenges: space radiation:  https://t.co/8s0Lsy8bbO https://t.co/DKP83jL7i4", "urls": [{"url": "https://t.co/8s0Lsy8bbO", "expanded_url": "http://go.nasa.gov/2l6XtHY"}], "user": {"id": 11348282}, "media": [{"id": 921859138417844224, "url": "https://t.co/DKP83jL7i4", "type": "photo", "sizes": {"large": {"h": 576, "w": 1024, "resize": "fit"}, "small": {"h": 383, "w": 680, "resize": "fit"}, "thumb": {"h": 150, "w": 150, "resize": "crop"}, "medium": {"h": 576, "w": 1024, "resize": "fit"}}, "media_url": "http://pbs.twimg.com/media/DMsaAI5X4AAa3q0.jpg", "display_url": "pic.twitter.com/DKP83jL7i4", "expanded_url": "https://twitter.com/NASA/status/921859140464627712/photo/1", "media_url_https": "https://pbs.twimg.com/media/DMsaAI5X4AAa3q0.jpg"}], "id_str": "921859140464627712", "source": "<a href=\"https://www.sprinklr.com\" rel=\"nofollow\">Sprinklr</a>", "deleted": false, "hashtags": [], "retrieved": "2018-07-11--23-53-33", "created_at": "Sat Oct 21 22:02:01 +0000 2017", "retweet_count": 538, "user_mentions": [], "favorite_count": 1989, "legacy_imported": true}