The cosmic web — the distribution of matter on the largest scales in the universe — has usually been defined…
Category: neighborhood
Amazing New Views of Betelgeuse Courtesy of ALMA
This orange blob is the nearby star Betelgeuse, as imaged recently by the Atacama Large Millimeter/submillimeter Array (ALMA). ALMA/ESO/NRAO Just.…
Carl Sagan’s Crazy Idea: Life Inside A Comet?
http://www.universetoday.com/131934/carl-sagans-crazy-idea-life-inside-comet/amp/ “The O’Neill Cylinder lay the groundwork for space habitat design. It consisted of two counter-rotating cylinders, one nested inside…
Astronomers Map Milky Way in Incredible Detail
http://ift.tt/2evx1Df Astronomers have mapped atomic neutral hydrogen across the entire sky, creating an unprecedented portrait of our galaxy and some…
Lynds Dark Nebula 1251
http://ift.tt/2dffJJG Astronomy Picture of the Day Discover the cosmos! Each day a different image or photograph of our fascinating universe…
New Billion-Star Map Reveals Secrets of the Milky Way
http://ift.tt/2cxgDAX The European Space Agency (ESA) has released the largest, most detailed map of the Milky Way, pinpointing the 3D…
Where is Earth in the Milky Way?
http://ift.tt/29EH4Tw For thousand of years, astronomers and astrologers believed that the Earth was at the center of our Universe. This…
Radiation From Ancient Supernovae May Have Given Evolution an Astrophysical Push
http://ift.tt/2a28BwN According to new research by astrophysicists at the University of Kansas, Earth’s early biology was tested repeatedly by fierce…
First Detection of Water Clouds Outside Our Solar System
http://ift.tt/29kOuNc Brown dwarfs – those not-quite-a-planet and not-quite-a-star objects – are intriguing oddities that are too low in mass to…
Étienne Léopold Trouvelot’s Stunning 19th-Century Astronomical Drawings of Celestial Objects and Phenomena
http://ift.tt/29CTVXm The splendor of the cosmos in a trailblazing marriage of art and science more than a century before modern…
Astronomers Discover Exoplanet With Triple Sunrises and Sunsets
http://ift.tt/29A8IBZ In the famous scene from the Star Wars movie “A New Hope” we recall young Luke Skywalker contemplating his…
Sketching Celestial Observations
Why, and how, you should sketch your observations through a telescope. A sketch of the Perseus Double Cluster, NGC 884…
Galaxy and Planets Beyond Bristlecone Pines
Astronomy Picture of the Day Discover the cosmos! Each day a different image or photograph of our fascinating universe is…
NGC 6814: Grand Design Spiral Galaxy from Hubble
Astronomy Picture of the Day Discover the cosmos! Each day a different image or photograph of our fascinating universe is…
The Andromeda Galaxy Wide Field
The post The Andromeda Galaxy Wide Field appeared first on Sky & Telescope. http://ift.tt/28VrlfN via SkyandTelescope.com’s Most Recent Articles http://ift.tt/zvTr0L