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APOD: 2019 February 23 - The Stars of the Triangulum Galaxy
Like grains of sand on a cosmic beach, stars of the Triangulum Galaxy are resolved in this sharp mosaic from the Hubble Space Telescope's Advanced Camera for Surveys (ACS). The inner region of the galaxy spanning over 17,000 light-years is covered at extreme resolution, the second largest image ever released by Hubble. At its center is the bright, densely packed galactic core surrounded by a loose array of dark dust lanes mixed with the stars in the galactic plane. Also known as M33, the face-on spiral galaxy lies 3 million light-years away in the small northern constellation Triangulum. Over 50,000 light-years in diameter, the Triangulum Galaxy is the third largest in the Local Group of galaxies after the Andromeda Galaxy (M31), and our own Milky Way. Of course, to fully appreciate the Triangulum's stars, star clusters, and bright nebulae captured in this Hubble mosaic, you'll need to use a zoom tool. via NASA
IFTTT  NASA  APOD 
9 hours ago by PowerSchill
Virgin Galactic spaceplane reaches space with first passenger on board - The Verge
Tourism venture Virgin Galactic sent its spaceplane into space for the second time this morning, qualifying all three people on the flight for their commercial astronaut wings. via Pocket
via-IFTTT  via-Pocket  boeing  nasa  news  space  spacex  tech  via-Diigo 
13 hours ago by evansthompson
» The Space Frontier
Celebrating the life, the career & the art of Robert McCall.
art  art_reference  space  nasa  scifi 
2 days ago by jakobb
NASA Knowledge Map
NASA's knowledge sharing / KM portal.

From the page:
NASA's practitioners and organizations engage in a wide range of knowledge activities, from self-directed queries to social interactions that bring people together to share stories. The tool below serves as a springboard to enable you to find what you don't know, share what you do know, or discover something new. While some knowledge services at NASA are not accessible to everyone, this tool connects you with points of contact for further information. It is a first attempt to help people navigate the rich variety of knowledge at NASA, and it is meant to grow and adapt to meet the needs of its users.

NASA's knowledge community invites you to explore the knowledge work taking place across the agency and welcomes your feedback.
space  nasa  knowledgemanagement  tool  community  storytelling 
2 days ago by jflorablack
apod.nasa.gov
Eta Carinae may be about to explode. But no one knows when - it may be next year, it may be one million years from now. Eta Carinae's mass - about 100 times greater than our Sun - makes it an excellent candidate for a full blown supernova. Historical records do show that about 170 years ago Eta Carinae underwent an unusual outburst that made it one of the brightest stars in the southern sky. Eta Carinae, in the Keyhole Nebula, is the only star currently thought to emit natural LASER light. This featured image brings out details in the unusual nebula that surrounds this rogue star. Diffraction spikes, caused by the telescope, are visible as bright multi-colored streaks emanating from Eta Carinae's center. Two distinct lobes of the Homunculus Nebula encompass the hot central region, while some strange radial streaks are visible in red extending toward the image right. The lobes are filled with lanes of gas and dust which absorb the blue and ultraviolet light emitted near the center. The streaks, however, remain unexplained. via NASA
IFTTT  NASA  APOD 
3 days ago by PowerSchill
Twitter
Comet Iwamoto Before Spiral Galaxy NGC 2903
autotweet  nasa  space  from twitter
4 days ago by kexrex
APOD: 2019 February 19 - Comet Iwamoto Before Spiral Galaxy NGC 2903
It isn't every night that a comet passes a galaxy. Last Thursday, though, binocular comet C/2018 Y1 (Iwamoto) moved nearly in front of a spiral galaxy of approximately the same brightness: NGC 2903. Comet Iwamoto was discovered late last year and orbits the Sun in a long ellipse. It last visited the inner Solar System during the Middle Ages, around the year 648. The comet reached its closest point to the Sun -- between Earth and Mars -- on February 6, and its closest point to Earth a few days ago, on February 13. The featured time-lapse video condenses almost three hours into about ten seconds, and was captured last week from Switzerland. At that time Comet Iwamoto, sporting a green coma, was about 10 light minutes distant, while spiral galaxy NGC 2903 remained about 30 million light years away. Two satellites zip diagonally through the field about a third of the way through the video. Typically, a few comets each year become as bright as Comet Iwamoto. via NASA
IFTTT  NASA  APOD 
4 days ago by PowerSchill

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