ScienceCasts: An Early Start for Noctilucent Clouds (by ScienceAtNASA)

Visit http://science.nasa.gov/ for breaking science news.

Glowing electric-blue at the edge of space, noctilucent clouds have surprised researchers by appearing early this year. The unexpected apparition hints at a change in the “teleconnections” of Earth’s atmosphere.

Source: youtube.com

ScienceCasts: Big Asteroid Flyby (by ScienceAtNASA)

Visit http://science.nasa.gov/ for breaking science news.

NASA is tracking a large near-Earth asteroid as it passes by the Earth-Moon system on May 31st. Amateur astronomers in the northern hemisphere may be able to see the space rock for themselves during the 1st week of June.

Source: youtube.com

ScienceCasts: Glow-in-the-Dark Plants on the ISS (by ScienceAtNASA)

Visit http://science.nasa.gov/ for breaking science news.

Can plants adapt to the novelty of climate change? Researchers seeking to answer this question have sent genetically engineered plants to the ISS for exposure to extreme conditions. To report their condition, the plants have learned to glow in the dark.

Source: youtube.com

ScienceCasts: Sunset Comet (by ScienceAtNASA)

Visit http://science.nasa.gov/ for breaking science news.

Comet Pan-STARRS has survived its encounter with the sun and is now emerging from twilight in the sunset skies of the northern hemisphere. A NASA spacecraft monitoring the comet has beamed back pictures of a wild and ragged tail.

Source: youtube.com

ScienceCasts: What Exploded Over Russia? (by ScienceAtNASA)

Visit http://science.nasa.gov/science-news/… for more.

Two weeks after an asteroid exploded over Russia’s Ural mountains, scientists are making progress understanding the origin and make-up of the unexpected space rock. This week’s ScienceCast presents their latest results.

Source: youtube.com

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