On July 28, 2015, the Operational Land Imager (OLI) on the Landsat 8 satellite captured images of algal blooms around the Great Lakes, visible as swirls of green in this image of Lake St. Clair and in western Lake Erie. via NASA http://1.usa.gov/1ImZPCp

All students must bring your student I.D. to confirm that you have registered and to check out books.Link Crew Orientation (Freshmen Only): 7:30 a.m. - 10:05 a.m.Period 0:  10:15 a.m. - 10:44 a.m.Period 1:  10:50 a.m. - 11:19 a.m.Period 2:  11:25 a.m. - 11:54 p.m.Period 3:  12:00 p.m. - 12:34 p.m. Lunch:     12:34 p.m. - 1:10 p.m. Period 4:   1:16 p.m. - 1:45 p.m.Period 5:   1:51 p.m. - 2:19 p.m.Period 6:   2:26 p.m. - 2:55 p.m.

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This new NASA/ESA Hubble Space Telescope image shows the center of the Lagoon Nebula, an object with a deceptively tranquil name, in the constellation of Sagittarius. The region is filled with intense winds from hot stars, churning funnels of gas, and energetic star formation, all embedded within an intricate haze of gas and pitch-dark dust. via NASA http://1.usa.gov/1K5cASs

This colorful bubble is a planetary nebula called NGC 6818, also known as the Little Gem Nebula. The rich glow of the cloud is just over half a light-year across — humongous compared to its tiny central star — but still a little gem on a cosmic scale. via NASA http://1.usa.gov/1MagZYQ

Saturn’s unusual appearance in this picture is a result of the planet being imaged via an infrared filter. via NASA http://1.usa.gov/1MfUeTg

NASA astronaut Scott Kelly took this photograph of a sunrise over the western United States and posted it to social media on Aug. 10, 2015. Kelly wrote, "#GoodMorning to those in the western #USA. Looks like there's a lot going on down there. #YearInSpace" via NASA http://1.usa.gov/1Tl6wQ4