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This Star Cluster Is Not What It Seems

This Star Cluster Is Not What It Seems

Richard Hook, ESO VLT observations of Messier 54 show the lithium problem also applies outside our galaxy This new image from the VLT Survey Telescope at ESO’s Paranal Observatory in northern Chile shows a vast collection of stars, the...

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Messier 55's Vast Ball Of Stars Imaged By ESO's VISTA
2012-05-09 10:53:23

[ Video 1 ] | [ Video 2 ] A new image of Messier 55 from ESO's VISTA infrared survey telescope shows tens of thousands of stars crowded together like a swarm of bees. Besides being packed into a relatively small space, these stars are also among the oldest in the Universe. Astronomers study Messier 55 and other ancient objects like it, called globular clusters, to learn how galaxies evolve and stars age. Globular clusters are held together in a tight spherical shape by gravity. In...

2006-02-07 07:03:25

VLT Study Reveals Troubled Past of Globular Cluster Messier 12 ESO -- Based on observations with ESO's Very Large Telescope, a team of Italian astronomers reports [1] that the stellar cluster Messier 12 must have lost to our Milky Way galaxy close to one million low-mass stars. "In the solar neighbourhood and in most stellar clusters, the least massive stars are the most common, and by far", said Guido De Marchi (ESA), lead author of the study. "Our observations with ESO's VLT show this is...


Word of the Day
grass-comber
  • A landsman who is making his first voyage at sea; a novice who enters naval service from rural life.
According to the OED, a grass-comber is also 'a sailor's term for one who has been a farm-labourer.'