NASA astronaut Scott Kelly shared this photograph on social media, taken from the International Space Station on Sept. 10, 2015. Kelly wrote, “#GoodMorning Texas! Great view of you, the #moon , and #Venus this morning. #YearInSpace” via NASA http://ift.tt/1F9IeBX

The arrangement of the spiral arms in the galaxy Messier 63, seen here in an image from the NASA/ESA Hubble Space Telescope, recall the pattern at the center of a sunflower. via NASA http://ift.tt/1OGmfTq

Why does Saturn look like it’s been painted with a dark brush in this infrared image, but Dione looks untouched? via NASA http://ift.tt/1MeaeqV

This image, made using images taken by NASA’s Dawn spacecraft, shows Occator crater on Ceres, home to a collection of intriguing bright spots. via NASA http://ift.tt/1EUXNNK

This composite image made from five frames shows the International Space Station, with a crew of nine onboard, in silhouette as it transits the sun at roughly 5 miles per second, Sunday, Sept. 6, 2015. via NASA http://ift.tt/1JQU3vL

This NASA/ESA Hubble Space Telescope image shows Messier 96, a spiral galaxy just over 35 million light-years away in the constellation of Leo (The Lion). It is the nearest group containing both bright spirals and a bright elliptical galaxy (Messier 105). via NASA http://ift.tt/1i0WuDh

​This rocky panoramic scene is the second picture of the Martian surface that was taken by Viking Lander 2 shortly after touchdown on Sept. 3, 1976 at 3:58 p.m. PDT (Earth received time). via NASA http://ift.tt/1Vz1YDo

This view combines information from two instruments on NASA’s Mars Reconnaissance Orbiter to map color-coded composition over the shape of the ground in a small portion of the Nili Fossae plains region of Mars’ northern hemisphere. via NASA http://ift.tt/1JyvxND

Earth’s thin atmosphere stands out against the blackness of space in this photo taken on Aug. 31, 2015 by astronaut Scott Kelly on board the International Space Station. via NASA http://ift.tt/1PJ9YxN

Smoke from the treacherous western wildfires has wafted across country and out to sea. via NASA http://ift.tt/1MXEkxm