영어에서 Globular clusters 을 사용하는 예와 한국어로 번역
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Globular clusters.
But in 2004, everything we knew about globular clusters changed radically.
Many globular clusters should have emptied in a few thousand years.
He also discovered the retrograde rotation of the system of globular clusters around the galaxy.
About 54 globular clusters have been identified in this galaxy, but the actual number may be 122 or more.
Astronomers have seen many fast-moving neutron stars in globular clusters.
Recently, over 100 young globular clusters have been discovered around M82 by the Hubble Space Telescope.
Our own Sun is thought to bea third generation star, with many second-generation stars seen in globular clusters.
In denser regions such as the core of globular clusters or the galactic center, collisions can be more common.
Both objects lie close to the galactic center, andM69 is one of the most metal-rich globular clusters known.
It wasn't long ago that astronomers were teaching that globular clusters contained the oldest stars in the universe.
The new-found clusters contain hundreds of thousands of stars, a similar number to that found in globular clusters.
A total of 152 globular clusters have now been discovered in the Milky Way galaxy, out of an estimated total of 180± 20.
And if the universe is younger(H= 100), then the“ancient” globular clusters require explanation.
These globular clusters orbit the galaxy at large radii of 40 kiloparsecs(approximately 131,000 light-years) or more.[7].
Absorption and space reddening in the galaxy from the colors of globular clusters.
However, a few globular clusters have been found farther, such as PAL 4 and AM1 at more than 200,000 light-years away from the Galactic Center.
Ashes from the Elder Brethren- UVES Observes Stellar Abundance Anomalies in Globular Clusters" Press release.
Globular clusters are roughly spherical groupings of from 10,000 to several million stars packed into regions of from 10 to 30 light years across.
In 2005, astronomers discovered a new type of star cluster in the Andromeda Galaxy,which is, in several ways, very similar to globular clusters although less dense.
NGC1052-DF2's globular clusters and atypical structure has perplexed astronomers aiming to determine the conditions this galaxy formed under.
In our galaxy, globular clusters are distributed roughly spherically in the galactic halo, around the galactic centre, orbiting the centre in highly elliptical orbits.
Although it appears that globular clusters contain some of the first stars to be produced in the galaxy, their origins and their role in galactic evolution are still unclear.
A few of the brightest globular clusters are visible to the naked eye, with the brightest, Omega Centauri, having been known since antiquity and catalogued as a star before the telescopic age.
Many globular clusters should have emptied[of fast neutron stars] in a few thousand years Globular clusters are compact, ball-shaped groups of stars that orbit the centre of a galaxy.
Until the mid-1990s, globular clusters were the cause of a great mystery in astronomy, as theories of stellar evolution gave ages for the oldest members of globular clusters that were greater than the estimated age of the universe.
A total of 152 globular clusters have now been discovered in the Milky Way galaxy, out of an estimated total of 180± 20; these additional, undiscovered globular clusters are believed to be hidden behind the gas and dust of the Milky Way.
Globular Cluster NGC 6397.
Globular Cluster M13.
The globular cluster NGC 6388, observed by the Hubble Space Telescope.[7].