| | December 16 Comet Closest, 2018's New Species | | | |
|
|
|
| | | | What is the Local Group? | | How many galaxies are now known to lie within our Local Group of galaxies? How does our Milky Way rank, size-wise? And what about the vast superclusters beyond? Answers. View larger. | Artist's concept showing our Milky Way galaxy, its satellite galaxies, and other galaxies in our Local Group. The Milky Way isn't really the center of anything; that's just the way the image is drawn. The 3 largest galaxies in the Local Group are, in descending order, the Andromeda galaxy, the Milky Way, and M33, also known as the Triangulum Galaxy. Image via Wikimedia Commons. | | | | | |
|
|
|
|
|
|
| | | Tonight … Orion's Belt and the Celestial Bridge | To the Aymara - indigenous people in the Andes and Altiplano regions of South America - the famous sky feature we know as Orion's Belt is seen as a Celestial Bridge between the sky's Northern and Southern Hemispheres. Read more. | | | | |
|
|
| | 2018's brightest comet is closest Sunday | This has been an amazing week for stargazing, with the Geminid meteor shower peaking on December 14 and 2018’s brightest comet – 46P/Wirtanen – closest to Earth today. Shreenivasan Manievannan created this composite image from multiple photos, captured from a single spot. Comet 46P/Wirtanen can be seen in the lower right. Note that, in your sky, the comet will not appear this bright! Tips, charts, online viewing info here. | | |