Topic: Cepheid Corporation

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  • In Pictures Space photos of the day 08/31

    This is a Space Shuttle mission STS-61 onboard view showing astronauts Story Musgrave and Jeffrey Hoffman preforming repairs to the Hubble Space Telescope during their Extra Vehicular Activity. Astronauts' work was made easier by the HST's many crew aids. Astronaut Musgrave makes use of one of the spacecraft's handholds. Launched on December 1, 1993, the Space Shuttle Orbiter Endeavor STS-061 mission was the 59th Shuttle flight.

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  • In Pictures Space photos of the day 08/31

    This is a Space Shuttle mission STS-61 onboard view showing astronauts Story Musgrave and Jeffrey Hoffman preforming repairs to the Hubble Space Telescope during their Extra Vehicular Activity. Astronauts' work was made easier by the HST's many crew aids. Astronaut Musgrave makes use of one of the spacecraft's handholds. Launched on December 1, 1993, the Space Shuttle Orbiter Endeavor STS-061 mission was the 59th Shuttle flight.

  • How do we really know how old the universe is?

    Cool Astronomy How do we really know how old the universe is?

    Once you figure out how fast distant galaxies are moving and how far away they are, then you can calculate when the Big Bang occurred.

  • The hunt for astronomical gold in familiar phenomena

    The hunt for astronomical gold in familiar phenomena

    Column: Especially when it comes to outer space, there's a lot to be learned from reexamining old science.