Theory of relativity confirmed on a galactic level
Source:The General theory of relativity — an extremely important tool for the representation of the modern Universe, without launching a single satellite. But as she observed the scale, for example, an entire galaxy? Thanks to scientists, we can now say: well observed. They conducted a study of two relatively distant galaxies that are opposite each other, and proved that the theory of relativity is impeccable.
The study used the Hubble space telescope and Very Large Telescope to measure the mass of the galaxy in the foreground, using both gravitational lensing and its posterior partner, and the rotation speed of stars at the edges. The comparison made it possible to check measurements. As a result, the error amounted to 9% is a lot, but today it is the most accurate measurement.
Not that the news pleased, but General relativity is one of the strongest foundations of modern research. Detection of slack in the GRT will mean a revision of the whole of modern physics, astrophysics and cosmology in favor of other, less proven and promising theories. Although this study does not prove that General relativity is the main concept of the Universe, scientists and it saves the company from having to discard the knowledge accumulated over the decades.
In the next decade two new telescope — satellite Euclid and the Large SYNOPTIC observation, the telescope will be able to find deviations from General relativity on the scale 1000 times larger than the scope of this study. If the General theory of relativity and pass these tests, we believe that this is the correct theory describing the effects of gravity in the Universe as a whole. While she copes, Einstein would be proud.
Recommended
The Americans on the moon: what everyone should know?
the Upcoming cosmonautics day is my favorite holiday. It marks the triumph of the human mind: in just four thousand years Homo Sapiens went from hunter-gatherers to space explorers. 12 April 1961 Soviet cosmonaut Yuri Gagarin became the first man in ...
Why are some galaxies spiral shaped?
you Know what surprised me the most? The fact that we perceive the surrounding world as it is. Animals, plants, the laws of physics and the cosmos are perceived by many people as something so mundane and boring that they invent fairies, ghosts, monst...
Astronomers were able to see the death of another star system
In the cosmic ocean drifts a lot of mysteries about the existence of which we are unaware. One of these was uncovered five years ago, when astronomers have discovered a lonely star at a distance of 570 light years from Earth, the brightness of which ...
Related News
Blue Origin will start selling tickets into space next year
a Private us space company Blue Origin "soon" will begin passenger suborbital space launches using rocket New Shepard, and next year is going to begin selling tickets for commercial flights, according to the portal Space.com with ...
The coming weeks Mars will be seen with the naked eye
over the next six weeks Mars will appear brighter in the night sky than the last 15 years. The planet will be at the closest point to the Earth in which she last was in June and July 2003. July 31, Mars will be the brightest, bein...
Russian engineers have created a rocket engine, running on iodine
the Creation of new types of engines for space rockets is one of the priorities of the global aerospace agencies. And recently it became known that the experts of Rocket and space Corporation "Energia" has developed and patented a...
Photo of the milky Way using the crystal ball looks stunning
tales of long ago tell us about that crystal ball you can see a lot. It definitely can be seen and it proved the astronomer Juan Carlos muñoz-Mateos. This is probably one of the best ways to look at our galaxy, which so attracts u...
10 interesting facts about the International space station
the international space station (ISS) is a joint international project involving 14 countries, including: USA, Russia, Canada, Japan, and several European countries, acting under the auspices of the European space Agency. Its desi...
Former astronaut: you have not yet created rockets that will take us to Mars
Chris Hadfield, Colonel, canadian air force and astronaut of the Canadian space Agency, the perpetrators of three space flights (two for the Space Shuttle program and one under the long-term missions on the ISS) known to the Gener...
The lunar lander can be turned with a howl the house, and that was done
In the modern world small houses are becoming more interesting. We informed about high-tech mobile homes for celebrities from Silicon valley. The option, which we will discuss today, much cheaper, but no less interesting. One pers...
The lunar landing module, you can turn to your house, and that was done
In the modern world small houses are becoming more interesting. We informed about high-tech mobile homes for celebrities from Silicon valley. The option, which we will discuss today, much cheaper, but no less interesting. One pers...
The cure for cancer, seaweed and mouse: what else will be sent to the ISS in future missions?
If there is no hyphenation, June 28, the spacecraft company SpaceX Dragon goes to the ISS with new supplies for the members of the station crew, new equipment and new scientific experiments. For SpaceX, this launch will be the 12t...
To breathe on Mars will help us cyanobacteria
Forget about all the cool options of the Martian dwellings, growing food and digging tunnels, which will allow us to protect ourselves from the dangerous levels of radiation. If we can't find a way that will allow us to breathe on...
Future space telescopes: what awaits us after "James Webb" and WFIRST?
the Space telescope "Hubble" is working for the benefit of science for the past more than 28 years, expanding the horizons of our understanding of the Universe and discovering new exoplanets, some of which may be inhabited. To tes...
The Chinese lunar satellite made an attractive photo of the Earth
last month, Chinese microsatellite Longjiang-2 entered the orbit of the moon. He recently turned to the Earth and did the first test photos that look just fine. Particularly attracted by the picture of our planet, partially covere...
A woman tries by the court to defend the right to own lunar dust
Laura Murray Mikko filed a lawsuit against the space Agency NASA, which in the past was trying to acquire a sample of lunar dust held by women. This sample was given to her parents from the astronaut , and Laura wants to defend th...
On Mars a dust storm raging. The life of one of the Rovers NASA under threat
the American space Agency NASA has suspended all scientific work of a small Mars Rover "opportunity", as over the Valley of perseverance (Perseverance Valley), a place where the unit is located, is currently raging a huge dust sto...
The skin of not killed bear: astronomers argue over the name of unproven planet in the Solar system
Among the scholars ignite passion about a hypothetical planet which can be beyond the orbit of Pluto. Moreover, the dispute involves not only evidence of her existence, but also how to call this world. Nobody knows really on the o...
The probe New horizon awake and ready to explore the Kuiper belt
NASA has launched a probe "New horizons" to Pluto visited and became its first researcher, a few years ago. When this phase of the mission ended, the robot went to the new Dali. Now the "New horizons" will search the Kuiper belt o...
Best comotto of the week: lightning of Jupiter and more
Planets, planets everywhere! The only question is where we go this week. First visit the small dwarf planet, which is pretty close to the Ground. NASA's space probe Dawn is chasing Ceres in 2015, watching her bright icy mountains ...
Test Russian reusable launch vehicle will start in 2022
the First Russian reusable launch vehicle can be a modified version of the ultra-light rocket "Angara-1.2". At the moment the project is under development. Tests of the first Russian reusable launch can take place in 2022. Rocke...
Modified microbes will help in the colonization of new planets
since people are going into space in search of life, most alien organisms, of which we meet may be logged by us. Scientists from NASA and other institutions are trying to biologically alter microbes so that they took over some of ...
Unique exoplanet discovered an abundance of metals
an international group of scientists have discovered signatures of a variety of metals for one of the least dense exoplanets of all that have ever found. Scientists from the University of Cambridge and the Canary Institute of astr...
Comments (0)
This article has no comment, be the first!