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By cosmic on June 22, 2019 in
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Cosmic chronicles the invention of radial velocity spectrometer around 1868 & how it lead to the search for extrasolar planets.

By Sabrina Stierwalt on May 22, 2019 in
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In 2006, Pluto was officially stripped of its planetary status. Now that debate is being reignited with some astronomers calling for the reinstatement of Pluto as a planet, arguing that the icy world should never have been demoted in the first place. So what is the deal? Is Pluto a planet?

By Rob Webb on May 4, 2019 in
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May is looking to be a great month for catching up on constellations, enjoying the warm air, and checking out the Moon getting close to the planets.

By Rob Webb on April 6, 2019 in
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April is fairly non-eventful, except for the annual Lyrid meteor shower and some good close encounters between the Moon and Mars, Jupiter, and Saturn, and at least one rocket launch.

By Rob Webb on March 2, 2019 in

A great morning lineup in the beginning of the month, all the naked-eye planets visible at some point in the month, and a great lineup ending the month is making March another great morning planetary astronomy month.

By Astronomy Cast on October 22, 2018 in
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How do we know what planets lights years away have in their atmosphere? What about the rocks all around Curiosity?

By Paul M. Sutter on October 16, 2018 in
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 What do brown dwarfs teach us about stars? What do they teach us about planets? What keeps them warm, and how long do they live?

By Rob Webb on October 6, 2018 in
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Get your last look at Jupiter while Saturn is staying up shorter amounts of time, the annual Orionid Meteor Shower and this year moonless Halloween skies.