Daughters of the Stars

Female astronomers at the Harvard College Observatory.

  Galileo Galilei, Nicolaus Copernicus, Johannes Kepler, William Herschel, and Edwin Hubble.  Perhaps these names sound familiar, and for good reason. Each made profound advancements in astronomy.  Copernicus first proposed that the solar system was heliocentric rather than geocentric.  Galileo fiercely defended the Copernican model, is credited with creating the …

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Oxygen May Not Always Lead to Life

image_3949e-CoRoT-24b

The search for alien worlds has expanded into its own branch of astronomical research.  The prospect of finding “Earth Proxima” or Earth 2.0 not only excites the imagination, but also represents a tangible possibility in what could be the near future.  According the NASA’s Exoplanet Archive, as of August 18th, …

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New Clue in the Mystery of the Green Blob and the Disappearing Quasar

Galaxy IC 2497 above Hanny's Voorwerp.  Image credit and copyright- X-ray: NASA/CXC/ETH Zurich/L.Sartori et al, Optical: NASA/STScI

Hanny’s Voorwerp- Dutch for “Hanny’s Object” and more casually known as the “Green Blob”- is an intergalactic gas cloud located approximately 680 million light-years from Earth. Adjacent to Hanny’s Voorwerp is IC 2497, a galaxy approximately 200,000 light-years from Earth and similar in size to our own galaxy, the Milky …

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Skywatching: The Iconic Summer Triangle

Image credit and copyright: Alan Dyer

Look directly overhead at 10:30 pm EDT and you will see Vega- the brightest star in the constellation Lyra and the fifth brightest in the night sky. Using Vega as a reference point, Altair is located to the lower left (southeast) and Deneb to the left (east). Together, these three …

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