Andromeda galaxy will deliver & # 39; weighing blasts to our Milky Way



A conceptual photograph of the landscape from Earth as Andromeda is broken by the Salt Path.
A conceptual photograph of the landscape from Earth as Andromeda is broken by the Salt Path.

Image: NASA; ESA; Z. Levay and R. van der Marel, STScI; T. Hallas; and A. Mellinger

Recent singers have been suspicious of the appearance of Andromeda Galaxy, in years of millions, which was hit by our Sligo Sligo.

The accident was expected to occur in some 3.9 billion years. But after stars have investigated new data captured by the Gaia scientific satellite that has a star star, they are now going to play it; date at 4.5 billion years – so 600 million years later than expected.

The event, explained in it The Astrophysical Journal, is defined as "swipe" rather than just gutting. The final result is a combination of galaxies into one, monstrous galaxy.

"This product is essential for our understanding of how galaxies are improving and interacting," said Timo Prusti, Project Scientist Gaia ESA who had no role in the study, in a statement.

Measuring star in the Gaia satellite was moved in the Andromeda galaxy.

Measuring star in the Gaia satellite was moved in the Andromeda galaxy.

Image: ESA / Gaia (star movements); NASA / Galex (backdrop); R. van der Marel, M. Fardal, J. Sahlmann (STScI)

Although it is very important to the corner of the globe, this event will be very important to Earth: before that, the sun that becomes more transparent and seems to have boiled the seas and a & # 39; shooting away the protection atmosphere.

In order to reach their decisions against the future warrior, scientists examined how the stars moved inside two "nearby" diseases that pass on each other – Andromeda and Triangulum Diseases – to predict how Andromeda is a? travel ends at an interim location.

"We went to combine Gaia's data to identify thousands of individual stars in each galaxy, and examined how these stars moved inside their galactic homes," said co-author Mark Inventory in statement. "Although Gaia aims to focus on the Seawalk, it is powerful enough to see stars that are very big and clear in star-staring categories nearby – even in galaxies that are beyond ourselves. "

Galactic results.

Galactic results.

Image: E. Patel, G. Besla (University of Arizona), R. van der Marel (STScI)

When Andromeda finally meets, or "sweeps", the Beautiful Way, it does not mean that the fear and destruction will be. going on.

"That event will be so spectacular than its sense, however," is marked The New Times Cosmos Reporter Dennis Overbye. "Because galaxies are largely vacant, they will be confused as ghosts."

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