Discovery of 'living fossil' galaxy could unlock secrets about early universe

Share
Discovery of 'living fossil' galaxy could unlock secrets about early universe

Needless to say, Bedin 1 is also quite faint, which led the astronomers to classify it as a dwarf spheroidal galaxy. Scientists were studying the globular cluster NGC 6752 and made an 'unexpected discovery, ' writes the press release on Hubble Space Telescope. These faint stars were being studied so that scientists could better gauge how old the cluster was as a whole, but that's when they noticed what appeared to be a galaxy that had yet to be documented. WFIRST is a telescope specifically created to scan large chunks of the sky with the same resolution as Hubble, so there's a much better chance images from WFIRST could help us find even more sneaky galaxies once it's launched early next decade. Analyses of the stars' brightnesses and temperatures indicated that they lay beyond NGC 6752 and were, in fact, part of a previously unknown galaxy. The finding is reported in the journal Monthly Notices of the Royal Astronomical Society: Letters. They're also fairly common in our Local Group of galaxies - we know of 36 galaxies of this type and 22 of them are in orbit around our galaxy!

According to NASA, the Bedin 1 galaxy is both ancient and isolated, spanning approximately 3,000 light-years and clocking in around a thousand times dimmer than the Milky Way. Second, Bedin 1 shows little sign of past interactions with any galactic neighbors.

So with Bedin 1 found, it's one down, 1,999,999,999,999 to go.

The Hubble Team said: "While dwarf spheroidal galaxies are not uncommon, Bedin 1 has some notable features".

Based on the properties of its stars, including their low-luminosity, astronomers were able to calculate that Bedin 1 is between 10 and 13 billion years old.

The tiny galaxy is truly off on its own, and is roughly two million light years from the nearest large galaxy, so it's something of a time capsule that dates back billions and billions of years. The galaxy's isolation means it rarely interacted with other galaxies, making it the equivalent of an early universe "living fossil", the space agency explains.

NASA's Hubble Space Telescope has been peering into the unknown and infinite universe for almost 30 years.

Share

Advertisement

Related Posts

Kyrie Irving Doesn’t ‘Owe Anybody Sh*t’ As He Approaches Free Agency
In October, he cheered Celtics fans by proclaiming at a team event that if Boston wanted him to stay that's what he planned to do. After dealing Porzingis, the Knicks have the available cap space to sign two of the top impending free agents.

Venezuela opposition rally to keep up pressure on Maduro
Guaido called for a new demonstration on February 12 and said there would be yet another one related to the humanitarian aid. In a letter Guaido urged both presidents to back Venezuela's struggle, saying to remain neutral aligns them with Maduro.

British to get visa-free travel in Europe even with no deal
A European Parliament committee backed visa free travel earlier this week and the decision was signed off by EU ambassadors today. Theresa May said Gibraltar was a full part of the "UK family" and that would not change after Brexit on Friday March 29.

Windows 10 1903 comes with setup error improvements
It's a small change, but one that provides a much cleaner interface for the user while being informative at the same time. The response from the engineer suggests the issues with Windows 10 seems to be a problem on Microsoft's part.

Rapper Bow Wow Arrested in Atlanta, Charged with Battery
Police tell TMZ that there was a dispute between the rapper, whose real name is Shad Moss , and the woman around 4:15 a.m. According to reports, the legal run-in went down Saturday (February 2) morning over an alleged fight with a woman.

Nissan scraps plan to build new X-Trail model in Britain
It followed a similar move by Jaguar Land Rover to reduce its 44,000 workforce by 4,500 under plans to make £2.5 billion of cost savings.

Amazon sales outlook falls short after record holiday quarter
Sales are up from $5.11 billion a year ago , to $7.43 billion today, even beating analysts estimates which expected $7.29. One of the main gripes of Amazon's ad business is that the products are still less sophisticated than rivals' technology.

Iran announces successful test of long-range cruise missile
Iran said in January its bid to launch a satellite failed after Tehran ignored United States warnings to avoid such activity. It says its missiles are defensive and used for deterrence and rejected talks over its missile programme.

U.S. Border Patrol makes the largest fentanyl bust in history
The United States had a record 72,000 deaths from drug overdoses in 2017, with opioids responsible for most of those fatalities. Federal law enforcement officials say that this amount of fentanyl is enough to kill tens of millions of Americans.

Man smuggles month-old leopard cub on plane to India
Following his evasive reply, his trolley baggage was opened and the leopard cub was found in a pink basket. Authorities are investigating whether the suspect is part of an global smuggling ring, said officials.

© 2015 ExpressNewsline. All Rights reserved.