After more than half a century of speculation, it has now been confirmed that the Earth has two dusty "moons" that circle around it, nine times wider than our planet.
Scientists have discovered two extra moons of the Earth, except those that we know so long.
Earth has not only one moon, it has three. The existence of two additional "moons" has been debating for more than 50 years, but according to a recent National Geographic report, Hungarian astronomers and physicists have finally provided enough data to confirm that our moon has at least two other companions, which are entirely made up of dust.
The team of researchers confirmed their presence with photos of natural bodies at a distance of approximately 250,000 kilometers – more or less at the same distance as our moon.
The finding was published in Monthly notifications from the Royal Astronomical Society.
Facts about newly discovered dust moons
- Since then, researchers have found that clouds of dusty lights or Kordylewski were present
- But the first look at the clouds was only visible in 1961 Polish astronomer Kazimierz Kordylewski, after which the clouds of dust were named
- New findings point out that every Kordylewsky cloud is approximately 15 for 10 degrees wide or equal to 30 with 20 moon disks in the night sky
- They are it extends to a space region almost nine times larger than the Earth's width – approximately 65,000 with an actual size of 45,000 km
- The "moons" dust are huge, but made of small dust particles who barely measure one micrometer
- When the sun's light hits the dust particles, they shine very pale, just like the zodiacal light obtained from the dust dispersed between planetary orbits
- Because these clouds of clouds of light emit extremely low light, it is very difficult to find them in the middle of star light, heavenly gloss, galactic light and zodiacal light in the sky, although they are as close as the moon
- A recent study, which revealed the existence of two dusty "moons", used special polarization filters on cameras to reveal the diffused light that comes from the reflection of individual dust particles in clouds
Kordylew clouds are always changing
Clouds of Kordylewski are always changing. They may be stable in orbit and may exist for millions of years, however ingredients that make clouds – dust particles – are always changing for others.
Some escape to gravitational pulls from Earth or the moon, while others come from interplanetary spaces and meteor shower
How Lagrange shows in space helped to find additional "moons"
Earth speculation, which has several months, has been changing in astronomical circles for many years. It was found that if there were additional moons, this could only be done at stable points on the Earth's orbit.
Lagrange point (source: NASA)
Lagrange points are sweet spots on a planetary orbit, where dragging gravity, which operates from two opposing celestial bodies, is balanced by the centripetal force of their orbit.
Thus, the object at the Lagrange point will remain fixed at a fixed distance from the moon and the Earth.
In the 1950s, Kordylewski was looking for two Lagrange points – L4 and L5 – where he found the first look at two clouds of dust circling on Earth.
Can this powder "moons "are dangerous or will they help us?
These huge clouds of dust could greatly contribute to space exploration when it comes to fuel consumption and security problems.
Sometimes the satellites must be parked at Lagrange points so that the spacecraft can consume minimum fuel and remain in orbit.
For this purpose, the James Webb aerial telescope will be positioned at the L2 Lagrange point in 2020.
In addition, the Space Agency intends to use the Lagrange point as a Mars stationary station.
What now needs to be seen – is there more such dust moon waiting to be found at nearby Lagrange points?
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