"A Look to the Heavens" -- Pleiades Star Cluster -- Heart and Soul Nebulas
Jun 12, 2017 10:26:09 #
"A Look to the Heavens"
“Have you ever seen the Pleiades star cluster? Even if you have, you probably have never seen it like this: all dusty. Perhaps the most famous star cluster on the sky, the bright stars of the Pleiades can be seen without binoculars from even the depths of a light-polluted city. With a long exposure from a dark location, though, the dust cloud surrounding the Pleiades star cluster becomes very evident.
http://4.bp.blogspot.com/-MiorDV7j6qs/T9lLpu6No-I/AAAAAAAAq6I/QnQd5zq6bwo/s1600/m45_volskiy_915.jpg
The above exposure took about 30 hours and covers a sky area several times the size of the full moon. Also known as the Seven Sisters and M45, the Pleiades lies about 400 light years away toward the constellation of the Bull (Taurus). A common legend with a modern twist is that one of the brighter stars faded since the cluster was named, leaving only six stars visible to the unaided eye. The actual number of Pleiades stars visible, however, may be more or less than seven, depending on the darkness of the surrounding sky and the clarity of the observer's eyesight.”
“Is the heart and soul of our Galaxy located in Cassiopeia? Possibly not, but that is where two bright emission nebulas nicknamed Heart and Soul can be found. The Heart Nebula, officially dubbed IC 1805 and visible in the below view on the right, has a shape reminiscent of a classical heart symbol. Both nebulas shine brightly in the red light of energized hydrogen.
http://4.bp.blogspot.com/-jWRVgNdfq4M/UwQ4nf7tTDI/AAAAAAABRSA/6u8d7ke03Ro/s1600/HeartSoul_Orazi_1280.png
Several young open clusters of stars populate the image and are visible above in blue, including the nebula centers. Light takes about 6,000 years to reach us from these nebulas, which together span roughly 300 light years. Studies of stars and clusters like those found in the Heart and Soul Nebulas have focussed on how massive stars form and how they affect their environment.”
- http://apod.nasa.gov/apod/ap110921.html
“Have you ever seen the Pleiades star cluster? Even if you have, you probably have never seen it like this: all dusty. Perhaps the most famous star cluster on the sky, the bright stars of the Pleiades can be seen without binoculars from even the depths of a light-polluted city. With a long exposure from a dark location, though, the dust cloud surrounding the Pleiades star cluster becomes very evident.
http://4.bp.blogspot.com/-MiorDV7j6qs/T9lLpu6No-I/AAAAAAAAq6I/QnQd5zq6bwo/s1600/m45_volskiy_915.jpg
The above exposure took about 30 hours and covers a sky area several times the size of the full moon. Also known as the Seven Sisters and M45, the Pleiades lies about 400 light years away toward the constellation of the Bull (Taurus). A common legend with a modern twist is that one of the brighter stars faded since the cluster was named, leaving only six stars visible to the unaided eye. The actual number of Pleiades stars visible, however, may be more or less than seven, depending on the darkness of the surrounding sky and the clarity of the observer's eyesight.”
“Is the heart and soul of our Galaxy located in Cassiopeia? Possibly not, but that is where two bright emission nebulas nicknamed Heart and Soul can be found. The Heart Nebula, officially dubbed IC 1805 and visible in the below view on the right, has a shape reminiscent of a classical heart symbol. Both nebulas shine brightly in the red light of energized hydrogen.
http://4.bp.blogspot.com/-jWRVgNdfq4M/UwQ4nf7tTDI/AAAAAAABRSA/6u8d7ke03Ro/s1600/HeartSoul_Orazi_1280.png
Several young open clusters of stars populate the image and are visible above in blue, including the nebula centers. Light takes about 6,000 years to reach us from these nebulas, which together span roughly 300 light years. Studies of stars and clusters like those found in the Heart and Soul Nebulas have focussed on how massive stars form and how they affect their environment.”
- http://apod.nasa.gov/apod/ap110921.html
If you want to reply, then register here. Registration is free and your account is created instantly, so you can post right away.