Vodpod videos no longer available.
Season 1, episode 23: SpaceX issues a financial challenge to the big space contractors, last shuttle launches slip, video diary from Mars 500 crew, IKAROS’ successful solar sail, kids discover Martian cave, John Glenn joins the save shuttle fray, Cassini takes a dip in Titan’s atmosphere, new Hubble images show star formation, extreme exoplanet weather, Ariane launches…and lots more! Check it out!
Provided by SpaceflightNow.com.
Can’t view the video above? Watch on YouTube here.