Showing posts with label super clusters. Show all posts
Showing posts with label super clusters. Show all posts

Sunday, October 05, 2014

NEW ASTRONOMICAL PHOTOS 2014

Here's two photos taken by the Curiosity Rover on Mars. What are those small stones on the ground? One is a ball and the others are star patterns of some sort.



Above is a picture of the four habitable moons of Jupiter and Saturn. It's not impossible that life may be found on these worlds, though in the case of Titan it would have to be life that could exist in liquid methane.

If you're surprised to see Ganymede on that list, that's because interior seas have recently been detected there.


 Here's (above) surface detail on the Comet Churyumov-Gerisimenko. The Rosetta probe continues to map it in an attempt to find a suitable spot for its lander. This picture was taken only a few weeks ago.


 Hubble took this picture (above) of the Bubble Nebula. It looks tiny in this photo but actually it's immense. The bubble you see is 10 light years in diameter and was ejected from a giant star that's visible inside the nebula.


Here's (above) a galaxy that's visible with the naked eye. It's a little galaxy called the Small Magellanic Cloud. It's in the process of colliding with our own galaxy, as is its  namesake, The Large Magellanic Cloud (not visible here). Our galaxy is larger and older than many and has likely absorbed other galaxies in the past. Maybe that's how the Milky Way got the bar in the middle of the pinwheel.


I never heard of this (above) til recently but evidently it's something enthususiasts have known about for a long time: the Zodiacal Light. It's dim but you can see it with the naked eye on an unusually clear night. It's a disc of dust that surrounds the sun on the same plane as most planets and asteroids. We see it edgewise because we're on the same plane.



The Milky Way has recently been identified as a member of a cluster of thousands of galaxies called The Laniakea Supercluster. That's a computer generated image of it above. The white dots in the green areas are all galaxies. The wispy white lines track the paths of galaxies toward Laniakea's center.

White dots outside the orange line belong to other super clusters, even though the picture makes it appear that they belong with us. I have a feeling there's an interesting story behind that.