Sentences with phrase «typical galaxy clusters»
Our Galaxy has a mass - to - light ratio of between 30 and 100, and typical galaxy clusters have mass - to - light ratios between 200 and 500.
https://www.newscientist.com/ Not exact matches
A Giant Galactic Ghost Intrigued by faint blurs on old photographic plates of the Virgo galaxy cluster, a nearby region teeming with galaxies, Oregon's Bothun and colleagues wondered if the apparitions might be smallish galaxies with «low surface brightness» — astronomer - speak for emitting less light per unit area than typical galaxies.
While a typical galaxy contains billions of stars, a number of tiny galaxies have been found in recent years that do not fit the classic picture and instead resemble the groups of stars known as star clusters.
Follow Roger Highfield as he time - travels, wages biological warfare and finds the secret of galaxy clusters in his soup — all in a typical Monday
If it contained an amount of dark matter typical for a galaxy of its size, the dark matter's gravity would hasten the motions of several star clusters that surround it.
A typical cluster does not emit many gamma rays, so all the galaxies in it must be made solely of matter.
By comparison, typical clusters of galaxies can be nearly 10 million light - years across.
Even its globular clusters are oddballs: they are twice as large as typical stellar groupings seen in other galaxies.
It may be a small cluster of stars that was typical of the time just after the Big Bang that eventually merged with other clusters to form the familiar galaxies of today.