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Space By Joe Burgett -

Galaxy X

Unexplained Space Anomalies That Still Stump Scientists
This image, which combines X-ray and optical wavelengths of light, shows the scene of a collision between a dwarf galaxy and a spiral galaxy. Photo Credit: Chandra X-ray Observatory/NASA

Astronomers noticed odd ripples of dust in the Milky Way in 2009, making many feel a disruptive force was present. However, they could not determine at the time what caused the issue. By 2015, we had an answer. The cause was a dwarf galaxy orbiting the Milky Way, which is ever so slightly altering the motion of our galaxy with its gravitational pull. Scientists were only able to see it due to 4 bright stars around the galaxy.

Unexplained Space Anomalies That Still Stump Scientists
The ‘double boomerang’ of an x-shaped radio galaxy. These big blue jets are about 100 times longer than the entire Milky Way. Photo Credit: NRAO/AUI/NSF; SARAO; DES

It would be too hard to see without it. Astronomers believe dark matter is the reason why we cannot truly see it very well. Given the name Galaxy X, the dwarf galaxy was unique at the time. This all changed when in 2016, we discovered Dragonfly 44, made of literally 99.99% dark matter. Along with Segue 1, the dwarfs have been spotted more and more. However, no one knows how they came to be. Moreover, what their role is with dark matter.

Hoag’s Object

Unexplained Space Anomalies That Still Stump Scientists
With a perfectly symmetrical ring circling a red sphere of stars, Hoag’s object is one of the prettiest mysteries in the universe. Photo Credit: NASA/ESA/Hubble Space Telescope

While the Milky Way is a relatively flat galaxy, others are different. Some like Ellipticals can look like a football. Hoag’s Object, however, operates differently. It has an old yellow core, surrounded by a beautiful ring of blue stars. However, there is nothing in the middle as if someone took a bite out of the middle of the thing! Yet another look makes it seem like some sort of space donut!

Unexplained Space Anomalies That Still Stump Scientists
An image of the Cartwheel Galaxy taken with the NASA/ESA Hubble Space Telescope. Photo Credit: ESA/Hubble & NASA

The “Object” was spotted in 1950 by Arthur Hoag, its namesake. We have yet to see another galaxy of any kind that looks similar. Scientists have no conclusive reasoning as to how this formed. However, the theory is that a small galaxy came through and went right through it. This isn’t a bad theory, as the area spins very slowly, and a small version of the galaxy is hidden in itself.

The Space Bermuda Triangle

Unexplained Space Anomalies That Still Stump Scientists
South Atlantic Anomaly World Map. Photo Credit: NASA’s Goddard Space Flight Center

There is a place known as the South Atlantic Anomaly or SAA. It is a region of the Earth’s magnetic field known as Space’s version of the Bermuda Triangle. Astronauts have reportedly fallen asleep only to be shocked by an intense flash of light. It is thought that this is linked to Van Allen radiation belts, which are twin particles trapped in our planet’s magnetic field. This is quite an important issue to figure out, as we know that our magnetic field is not perfectly aligned with the Earth’s rotation.

Unexplained Space Anomalies That Still Stump Scientists
Dubbed the South Atlantic Anomaly, this giant hole in the Earth’s magnetic field is the weakest point in the shield, but the anomaly appears to be changing. Photo Credit: NASA/Division Of Geomagnetism, DTU Space

That very well could lead to why this area roughly 125,000 miles above the South Atlantic causes such trouble. Even the International Space Station has trouble in the area, as computers stop working & astronauts experience cosmic flashes. On top of this, the Hubble Space Telescope cannot take any observations! If we are to do commercial space travel, we’ll need to figure out the issue with the SAA and how to work around it.

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