star

Make room, please

This new NASA/ESA Hubble Space Telescope image presents the Arches Cluster, the densest known star cluster in the Milky Way. It is located about 25 000 light-years from Earth in the constellation of Sagittarius (The…


Are galaxies murderers?

Galaxies, like humans, become less reproductive as time progresses. They start with creating numerous stars, but after billions of years, the creation stalls. As a result the galaxy contains more old stars than young ones,…


The life and death of galaxies

Astronomers have shown for the first time how star formation in “dead” galaxies sputtered out billions of years ago. ESO’s Very Large Telescope and the NASA/ESA Hubble Space Telescope have revealed that three billion years…


Why the universe is dark, and such

A handful of new stars are born each year in the Milky Way, while many more blink on across the universe. But astronomers have observed that galaxies should be churning out millions more stars, based…


A stellar nursery in the middle of nowhere

Due to a shortage of llama’s in my vicinity and a general absence of dresses (either color) in my household this blogpost 3535 is about – no, not about Leonard Nimoy, Mr Spock, who died…


Stars strolling through the Oort Cloud

A group of astronomers from the US, Europe, Chile and South Africa have determined that 70,000 years ago a recently discovered dim star is likely to have passed through the solar system’s distant cloud of…


Young(er) guns

In 2009, the Planck spacecraft began its observations of the cosmos, and the program continued until 2013. Planck was designed to look for anisotropy, or non-uniformity, in the cosmic microwave background (CMB). On very large…