galaxies
Galaxies in Early Universe Experienced “Growth Spurt”
[/caption] Looking back in time – and through a gravitational lens – astronomers found evidence that galaxies in the early…
World-wide Campaign Sheds New Light on Nature’s “LHC”
[/caption] In a manner somewhat like the formation of an alliance to defeat Darth Vader's Death Star, more than a…
Better Late Than Never: Dwarf Galaxies Finally Come Together
[/caption] Have you heard of 'living fossils'? The coelacanth, the ginko tree, the platypus, and several others are species alive…
Dark Matter in Distant Galaxy Groups Mapped for the First Time
[/caption] Galaxy density in the Cosmic Evolution Survey (COSMOS) field, with colors representing the redshift of the galaxies, ranging from…
Spitzer, the Wallpaper Factory, Does it Again
At the end of the proverbial day, space-based missions like Spitzer produce millions of observations of astronomical objects, phenomena, and…
Youngsters Caught Gorging – on Gas
[/caption] Galaxies long, long ago were very fecund; they gave birth to stars at a rate at least ten times…
Supermassive Black Holes Spinning Backwards Create Death Ray Jets?
[/caption] Why do some of the supermassive black holes in active galactic nuclei create back-to-back jets that can vaporize entire…
Caught in the Act! Merging Galaxies Create a Binary Quasar
[/caption] Excellent teamwork by astronomers working in two different wavebands – x-ray and optical - has led to the discovery…
Universe to WMAP: ΛCDM Rules, OK?
[/caption] The Wilkinson Microwave Anisotropy Probe (WMAP) science team has finished analyzing seven full years' of data from the little…
Double Hubble Sequence Shows Galaxies Go Spiral
[/caption] Galaxies come in all sorts of shapes. But in the past, the various galaxy shapes used to be more…