Its 5 inch aperture ensures that it gathers plenty of light for great views of the planets and Moon, as well
as brighter galaxies, nebulae, and star clusters.
Not exact matches
The [
galaxy] they're most excited about is three times
as luminous
as any other
galaxy of a similar age, making it «by far the
brightest galaxy ever observed at this stage in the universe,» the ESO said.
As well as the SMC itself this very wide - field image reveals many background galaxies and several star clusters, including the very bright 47 Tucanae globular cluster at the right of the pictur
As well
as the SMC itself this very wide - field image reveals many background galaxies and several star clusters, including the very bright 47 Tucanae globular cluster at the right of the pictur
as the SMC itself this very wide - field image reveals many background
galaxies and several star clusters, including the very
bright 47 Tucanae globular cluster at the right of the picture.
She told Disney she'd spotted standalone
galaxy - like objects right where the Parkes survey had found gas clouds identified
as merely extended parts of nearby
bright galaxies.
Using observations from several telescopes, Yale University astronomer Pieter van Dokkum and colleagues studied 10
bright clumps of stars within the
galaxy, known
as globular clusters, and measured their velocities.
«One in 10 of these are
as bright as FRB 150807, and the Deep Synoptic Array prototype will be able to pinpoint their locations to individual
galaxies.
This plot reveals that not all the starlight is contained within the cities of stars — the
galaxies — which appear
as bright blue - white blobs.
Minchin views this dark
galaxy not
as an anomaly but
as perhaps a crucially important piece of evidence confirming current theories about how orderly structures — including
bright galaxies like our own — emerged from the formlessness of the Big Bang.
No space probe or telescope built by humans has ever escaped the Milky Way to turn back and take a portrait; because we are embedded in our
galaxy's disk, we can only see it
as a
bright band of stars across the sky.
Tracking the motion of this
bright spot precisely should be easier than the
galaxy as a whole, say the team.
An unexpected opportunity to test this model came on June 3 when NASA's Swift Space Telescope picked up the extremely
bright gamma - ray burst, cataloged
as GRB 130603B, in a
galaxy located almost 4 billion light - years away.
The
galaxies — which would appear
as flat, rotating disks — are brimming with extremely
bright and massive blue stars.
Marijn Franx, a member of the team from the University of Leiden highlights: «The discovery of GN - z11 was a great surprise to us,
as our earlier work had suggested that such
bright galaxies should not exist so early in the Universe.»
However, the discovery also raises many new questions
as the existence of such a
bright and large
galaxy is not predicted by theory.
The Antennae
galaxies, named for their insectlike appearance (left, from ground - based telescope) are two merging spiral
galaxies that have spawned over 1000 young star clusters visible
as bright blue spots from t
The huge mass of the cluster acts
as a cosmic magnifying glass and enlarges even more distant
galaxies, so they become
bright enough for Hubble to see.
The «jury» didn't know which
galaxies were active and which ones were quiet,
as the Hubble images had been processed to hide the telltale
bright cores.
In principle, Tanvir says, a
bright, well - observed GRB at great distances could expose the makeup of the intergalactic medium
as well
as the chemistry of the star's host
galaxy, which would in turn indicate the products of previous generations of stars.
For the radio waves to arrive
as brightly
as Schmidt saw them, after traveling that far, the object emitting them must be 100 times
brighter than our entire
galaxy.
J1415 +1320 is what's known
as a blazar, a
bright galaxy with a gluttonous supermassive black hole at its center (SN: 3/4/17, p. 13).
Stars indicate quasars and
bright (faint)
galaxies at the same epoch are shown
as circles (dots).
They are the locations of
bright stars and other nearby objects that get in the way of the observations of more distant
galaxies and are hence masked out in these maps
as no weak - lensing signal can be measured in these areas.
Quasars can be hundreds of times
as bright as their surrounding
galaxy, yet they are smaller than our Solar System.
THE Milky Way's
brightest satellite
galaxy stands accused of the same crime
as itself: tearing apart a celestial object that wandered too close.
These streaks arch down towards NGC 2936's nearby companion, the elliptical
galaxy NGC 2937, visible here
as a
bright white oval.
Although both
galaxy types host voracious supermassive black holes known
as active galactic nuclei, which actively swallow matter and emit massive amounts of radiation, Type I
galaxies appear
brighter to astronomers» telescopes.
Each magnified image makes the
galaxy appear
as much
as 10 times larger and
brighter than it would look without the intervening lens.
«Therefore, it's possible that we only see one
bright clump magnified due to the lensing, and this is one possibility
as to why it is smaller than typical field
galaxies of that time.»
FRB 121102 could come from a
bright region around a black hole in the centre of its host
galaxy that spews radio waves
as it vaporises gas and plasma.
Unimaginably powerful sources of radio emissions,
brighter than entire
galaxies, quasars were initially viewed
as mysterious objects found billions of light - years from us but unknown in our own galactic neighborhood.
Remarkably, these supernovae were spotted
as close
as 600 light years from the
bright nuclear regions of these
galaxies — despite being at least 150 million light years from the Earth.
Previously astronomers observed steady movements among the «
brightest cluster
galaxies (BCGs),» which —
as the name implies — are the «most luminous
galaxies in the universe.»
Paper and research team These observation results were published
as Toba et al. «No sign of strong molecular gas outflow in an infrared -
bright dust - obscured
galaxy with strong ionized - gas outflow» in the Astrophysical Journal in December 2017.
What the team directly observed was the last wave of Population III stars, suggesting that such stars should be easier to find than previously thought: they reside amongst regular stars, in
brighter galaxies, not just in the earliest, smallest, and dimmest
galaxies, which are so faint
as to be extremely difficult to study.
To astronomers in other nearby
galaxies it would be a visible
as a
bright pink spot on the Sagittarius Arm.
However,
as it is much
brighter than typical dwarf spheroids, Sidney van dan Bergh has recently introduced the term «Spheroidal Galaxy» for this and similar
galaxies, including Local Group members NGC 147 and NGC 185.
When Markarian 1018 — originally a relatively dim
galaxy — was observed shining brightly in the 1980s, scientists categorized it
as a Type I Seyfert —
galaxies that are very
bright sources of X-rays,
as well
as ultraviolet and visible light.
This illustration reveals the celestial fireworks deep inside the crowded core of a developing
galaxy,
as seen from a hypothetical planetary system consisting of a
bright, white star and single planet.
Past attempts to find missing satellites around external
galaxies at well - known distances have been unsuccessful because of the need for a very sensitive instrument capable of producing high - fidelity images, even in the vicinity of a
bright source such
as the Andromeda Galaxy.
But from this angle, the clusters of stars in between Hubble and the
galaxy in question have so much mass that they act
as a second, natural telescope, magnifying it and making it
brighter.
Click to Enlarge (JPEG / 138.4 KB) This schematic image represents how light from a distant
galaxy is distorted by the gravitational effects of a nearer foreground
galaxy, which acts like a lens and makes the distant source appear distorted, but
brighter, forming characteristic rings of light, known
as Einstein rings.
«We are using the massive amounts of dark matter surrounding
galaxies half - way across the Universe
as cosmic telescopes to make even more distant
galaxies appear bigger and
brighter.»
The astronomers had expected to find a number of ancient
galaxies known
as ellipticals, but instead discovered that, out of the 800,000 sample
galaxies included in the study, 53 of the
brightest examples were in fact spiral - shaped.
For an object to appear
as bright as most quasars do at their calculated distances, it must emit more energy than several dozen
galaxies put together.
Its larger namesake the Sombrero
Galaxy is another stunning example of an edge - on
galaxy — in fact, the «Little Sombrero» is about the same size
as its
bright namesake at about 60 000 light - years across, but
as it lies further away, it appears smaller in the sky (Credit: ESA / Hubble & NASA Acknowledgement: Josh Barrington)
In regards to this, Professor Ohta commented, «This is a big step towards getting the big picture of
galaxy evolution
as the objects connecting especially
bright galaxies in millimeter / submillimeter waves and normal
galaxies were detected with ALMA.»
Although GRB 000131, like other gamma - ray bursts, appears to have taken place in a remote «early
galaxy» (or «sub-galactic clumps» of stars) that is smaller than today's luminous
galaxies, astronomers found it difficult to detect that extremely dim, sub-galactic clump of stars even with the Hubble Space Telescope,
as the observed fading of the afterglow indicated that the maximum brightness of the gamma - ray emission was explosion was at least 10,000 times
brighter than its host
galaxy.
A new analysis of
galaxy colors, however, indicates that the farthest objects in the deep fields must be extremely intense, unexpectedly
bright knots of blue - white, hot newborn stars embedded in primordial proto -
galaxies that are too faint to be seen even by Hubble's far vision —
as if only the lights on a distant Christmas tree were seen and so one must infer the presence of the whole tree (more discussion at: STScI; and Lanzetta et al, 2002).
Left - NGC 1313, a
bright but rather isolated
galaxy classified
as a barred spiral
galaxy (although with very short and irregular spiral arms).
Unlike HST, which could only see
bright galaxies, LUVOIR should be able to see both
bright and dim ones, opening up new areas in space sciences, including what many people view
as the «holy grail» of space exploration — the search for extraterrestrial life.