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First Look

Zinnias bloom on space station: What does it take to grow plants in space?

Should colleges provide 鈥榮afe spaces鈥�?

In Pictures

Space photos of the day: Voyager

Seen here is a full-scale model of one of the twin Voyager spacecraft, which was sent to explore the giant outer planets in our solar system. Voyager 2 was launched August 20, 1977 followed by the launch of Voyager 1 sixteen days later. Both spacecraft visited Jupiter and Saturn with Voyager 2 continuing its journey to Uranus and Neptune. In spring 1990, Voyager 2 transmitted images looking back across the span of the entire solar system. Both Voyagers continue to explore interstellar space.

First Look

鈥楴o Kings鈥� protests against Trump bring a street party vibe to cities nationwide

In Pictures

Space photos of the day: Comets

This infrared image from NASA's Spitzer Space Telescope shows the broken Comet 73P/Schwassman-Wachm ann 3 skimming along a trail of debris left during its multiple trips around the sun. The flame-like objects are the comet's fragments and their tails, while the dusty comet trail is the line bridging the fragments.

'The Smithsonian History of Space Exploration' is an ideal gift book

In Pictures

Space photos of the day: Supernovas

The Crab Nebula, filled with mysterious filaments, is the result of a star that was seen to explode in 1054 AD. This spectacular supernova explosion was recorded by Chinese and (quite probably) Anasazi Indian astronomers. The filaments are mysterious because they appear to have less mass than expelled in the original supernova and higher speed than expected from a free explosion. In the above picture taken recently from a Very Large Telescope, the color indicates what is happening to the electrons in different parts of the Crab Nebula.

In Pictures

Space photos of the day: Spacewalks

On a spacewalk, astronaut Owen K. Garriott, science pilot, retrieves an imagery experiment from the Apollo Telescope Mount attached to the Skylab in Earth orbit in 1973.

In Pictures

Space photos of the day: Ignition

Fire acts differently in space than on Earth. Sandra Olson, an aerospace engineer at NASA's Glenn Research Center, demonstrates just how differently in her art. This artwork is comprised of multiple overlays of three separate microgravity flame images. Each image is of flame spread over cellulose paper in a spacecraft ventilation flow in microgravity. The different colors represent different chemical reactions within the flame.

In Pictures

Space photos of the day: The Moon

NASA's STS-32 crew took this view of the moon setting over the Earth's limb. Near the center is a semi-vortex in the clouds - a storm system in the early stages of formation. The moon's image is distorted due to refraction through the Earth's atmosphere.

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