Dark matter is one of the few objects in space that fascinates both scientists and the general
public.
one of the manifestations of dark matter is scary as it is surrounded by mystery
Despite the fact that most scientists agree that dark matter makes up most of the universe's
matter, we're now set to discover more about dark matter thanks to the new James Webb Space
Telescope.
Join us as we explore the life-changing revelation of dark matter made by the James Webb Space
Telescope.
What is dark matter exactly, and how did the idea of it come to be, and why is it the stuff
of nightmares in space?
Like the mystery surrounding it, dark matter is a mysterious element that may make up approximately
27 of the whole universe.
The easiest way to understand dark matter is to consider what it isn't, therefore we'll
take that approach to fully grasp this idea.
As prevalent as atoms are thought to be, according to a cosmological model known as the Lambda
cold dark matter model, sometimes just referred to as the standard model, they make up only
about 5% of the universe.
Additionally, dark matter and dark energy are not related in any way other than the
fact that they both share the name "dark."
According to the standard model, dark energy makes up about 68 of the universe.
Dark matter, on the other hand, is invisible because it doesn't emit, reflect, or absorb
electromagnetic radiation like x-rays or radio waves.
As a result, instruments can't directly detect Dark Matter because almost all observations
of the universe, aside from those for gravitational waves, involve observing electromagnetic radiation
with telescopes.
Does dark matter interact with visible, well-lit matter despite being invisible?
Yes, dark matter interacts with ordinary matter and has measurable gravitational effects on
large cosmic structures like galaxies and galaxy class clusters.
As a result, even though astronomers cannot directly observe dark matter, they can still
map its distribution in the universe by observing the gravitational effects that dark matter
has on ordinary matter.
How did we come up with the concept of dark matter?
Actually, Newton's discovery of so-called dark nebula hundreds of years ago gave rise
to the notion that there might be objects in the universe that are invisible to us and
emit no light.
A dark nebula also known absorption nebula is a type of interstellar cloud, particularly
molecular clouds, that is so dense that it obscures the visible wavelengths of light
from objects behind it, such as background stars and emission or reflection nebulae,
and Pierre the 18th-century theories of phenomena that might devour light and subsequently be
known as black holes.
Fast forward to the 20th century, when astronomer Fritz Zwicky made the first measurements of
what is now known as dark matter, and astronomers began to acknowledge the presence of a so-called
dark universe.
His 1933 observations of the coma cluster of galaxies appear to show 500 times greater
than what the famous astronomer Edwin Hubble had previously determined.
Although Zwick's results were initially viewed with great skepticism, other astronomers later
corroborated them.
However, another scientist, Vera Rubin, would play a significant role in persuading us of
the existence of Dark Matter.
Rubin offered a significant piece of evidence for the existence of dark matter thirty years
later.
When compared to a revolving vinyl LP, whose core spins faster than its edge, galaxies
should logically act similarly.
However, since space is not a realm where rationality reigns, galaxies do not behave
like a rotating vinyl LP.
Instead, they rotate at the same rate as their extremities.
The only way to explain this is if the entire galaxy is merely the core of some somewhat
larger structure; for example, envision it as being only the label on the LP, causing
the Galaxy to rotate at a constant rate from Center to Edge.
Following Vicky's lead, Ruben proposed that dark matter is the missing component in galaxies.
Despite the astronomical community's strong opposition to her views, her confirmed findings
provided essential evidence for the presence of dark matter.
In fact, in recognition of this significant and historic piece of work demonstrating the
existence of dark matter Despite the efforts of early-career astronomers, scientists still
don't fully understand what dark matter is made of.
As a result, the revolutionary huge synoptic survey telescope was recently renamed the
Vera C Reuben Observatory.
Vicky set the example, and Ruben suggested that the missing piece in galaxies is dark
matter.
Although the astronomy community fiercely disagreed with her theories, her confirmed
discoveries offered crucial proof of the existence of dark matter.
In reality, as a result of this crucial and important research proving the existence of
dark matter Despite the efforts of early-career astronomers, the composition of dark matter
is still a mystery to science.
The ground-breaking large synoptic survey telescope was just given the Vera C Reuben
Observatory moniker as a result.
However, Weber has the ability to look at the dynamics of galaxies to attempt and approach
that in new orthogonal ways.
Astronomers can measure the amount of mass in stars and galaxies, for instance, as a
sideways way of finding dark matter.
Many galaxies could not exist and travel as they do without a significant quantity of
invisible mass to aid astronomers in finding their dark matter, which is part of the key
evidence for the distance of dark matter.
More specifically, the James webb telescope will capture incredibly sharp images that
will allow researchers to see disturbances brought on by gravitational lensing, guiding
them to the location of the hidden mess.
When a light beam passes a huge mass, it will be somewhat deflected because the fabric of
space-time is slightly warped by the object.
By imaging at distant galaxies, the James webb telescope may identify these masses and
determine what is missing or not observable.
This is likely to be dark matter.
This form of measurement is very well suited for the upcoming Space Telescope.
Due to its extremely crisp pictures, very minute disturbances may be measured.
According to information provided about the space observation station, and because it
can look so far into space, it has access to a lot more background galaxies to assess
disruptions induced by this gravitational lensing phenomenon.
Scientists can then compare these data to ideas of dark matter's function in their process,
resulting to some knowledge of the amount and nature of dark matter in galaxies.
In addition, the jwst will observe numerous statistics of Galaxy Evolution.
The 10 billion dollar James webb telescope is intended to allow us to look farther into
space than ever before.
enabling it to look further into the past.
While scientists are anticipating the use of the jwst to research dark matter, the telescope
has been safely delivered to its permanent location.
By making these observations so far into space, the Space Telescope will investigate the origins
of the universe and its galaxies and the role that dark matter may have played in their
evolution.
It was successful after a nerve-wracking launch that required the most delicate components
to be folded up in order to fit the large size of the telescope on the launch vehicle.
For example, the delicate but wide heat shield that will shield the infrared instruments
from heat interference as well as the 6.3 meter wide mirror that is broken down into
18 different hexagonal segments had to be folded.
As the jwst traveled to its final destination, which is around a million miles from where
it will orbit the sun, both components began to unfold in space.
Because there was only one chance to get things right before the launch, NASA had to make
sure everything was in order.
The telescope is so far away that it is impossible to send a repair mission to it in its permanent
location.
Even refueling is uncertain, while NASA is open to exploring the concept since the propellant
on board the jwst can endure for nearly two decades.
initially predicted for ten years, but an effective deployment has allowed for adequate
fuel to extend the mission by two decades.
The JWST is presently being calibrated and configured by NASA, which is aligning the
18 mirrors to produce coordinated images rather than individual ones.
In a few months, the JWST will start to capture breathtaking photos of the cosmos.
Professor Matthew Walker of Carnegie Mellon University, who is the principal investigator
of a program that will use data gathered in the telescope's first year of operation, is
one of the researchers who can't wait to use the jwst.
He is going to work on dark matter but with a twist called Dark Matter Theory.
According to the predictions of the dark matter theory, dark matter will be found in small
fundamental units termed haloes rather than agglomerations the size of galaxies.
Now there is something to note about the jwst which we will quickly go over here the telescope
is optimized as an infrared telescope appearing deep into the past and outer reaches of the
cosmos.
Walker and his team will look for perturbations from subgalactic Dark Matter Halos on very
fragile gravitational systems.
The characteristics you desire for a narrow field of view instrument are those that allow
you to look at individual objects very closely.
When studying dark matter and dark energy, however, you can achieve greater success.
Dark energy telescopes attempt to observe a large portion of the sky because this is
how we learn about and measure this phenomenon.
We add up its effects over a large area or volume in order to learn about and measure
it.
The Nancy Grace Roman telescope, which is scheduled to be launched in 2027, will, in
contrast, have a broad field of view that will enable it to image large swaths of the
sky, which is exactly what is required to measure the effects of enigmatic forces on
significant structures or regions of the universe.
While Nancy Grace Roman may be able to discover hundreds of distant supernovae, it will be
the task of the jwst to make the most accurate measurements of Those Distant Lamp Posts possible.
We will keep you updated on new Nancy Grace Telescope and new discoveries of JSWT, stay
tuned for more epic content like this.
That pretty much wraps this video up guys.
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