| January 16 Milky Way as Melting Pot | | | |
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| Our Milky Way as a "melting pot" | | Where do stars we see at night come from? Newly confirmed streams of stars - thought to be coming to our Milky Way from other galaxies - suggest not all Milky Way were born here. | | | New moon is January 16-17 | | This new moon is most nearly between the Earth and sun for this month. It crosses the sky with the sun during the day. | | | | Tonight … Contemplate the apex of the sun's way | | Our sun moves around the center of the galaxy, toward the star Vega. Astronomers call this motion the apex of the sun's way. One circuit - about 230 million years - is called a cosmic year. | | | | | |
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| | | Help us keep presenting your world, and cosmos, to you. | | | | | |
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| | | Contemplate the apex of the sun's way | We move toward this star, the blue-white star Vega, in our journey around the galaxy. Photo via Fred Espenak. Used with permission. | | | | |
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| | Farewell, old moon | Juan Manuel Pérez Rayego in Mérida, Mexico wrote Monday morning: "Mercury down, moon and Saturn above, before a cold dawn." More photos of morning planets here. | | |
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