Buzz
1. Earth Might Have a Second Moon
Some scientists believe that our planet may have a second satellite. Research suggests there are other celestial objects orbiting Earth. However, these are temporary satellites. It is believed that Earth's gravitational pull could capture even relatively large asteroids, and these objects may orbit Earth for a while (about 3 orbits) before drifting back into deeper space.
2. Earthquakes on the Moon
Moonquakes, or earthquakes on the Moon, are not a science fiction concept. However, these quakes don't occur as frequently as those on Earth and typically take place deeper within the Moon, closer to its core. Scientists believe this is due to the gravitational forces of the Sun and Earth.
3. Massive Gold Reserves
Did you know that if all the gold on Earth were spread out, it could cover the entire planet with a layer nearly 50 cm thick?
4. Earth Was Once Purple
A scientist from the University of Maryland suggests that long ago, our planet may have been purple. Ancient bacteria might have used different molecules to process sunlight instead of chlorophyll. These molecules gave the bacteria a purple hue, which could mean Earth was once covered in a mysterious purple shade.
5. A Little Ice Age Could Occur in 2019 on Our Planet
According to a pattern, the Sun has sunspots on its surface, indicating that the star is currently in an active phase. However, it is unclear why these spots sometimes begin to disappear, leaving the surface smooth and empty. This phenomenon occurred in the 15th century, known as the Little Ice Age, which caused a significant climate shift on Earth. During that period, the Vikings had to abandon Greenland as it turned into an area with extremely low temperatures. The Little Ice Age lasted for several centuries, extending until the late 19th century.
Today, scientists are noticing a similar trend on the Sun and believe that the star is about to enter a cold phase, which could trigger another ice age on Earth by 2019.
6. Scientists Have Discovered a Potentially Habitable Planet
HD 904790 is a planet that may one day support human life. Located in a galaxy similar to Earth’s, it possesses several remarkable features, including a unique atmosphere, climate, natural resources, and even freshwater. Calculations suggest it would take humans up to 300,000 years to reach HD 904790.
7. The Moon Might Be Part of Earth
Some scientists believe the Moon was formed from a collision between Earth and another large object. This impact caused a small portion of Earth to break away, eventually becoming Earth's satellite – the Moon.
8. Earth's Magnetic Field Is Changing
We still think of Earth's magnetic field as a constant. However, it is actually undergoing continuous change. Scientific studies show that the magnetic field has shifted about 600 miles since the 19th century, and its center in the Southern Hemisphere is currently moving. After five years, the movement of the magnetic field accelerates until it reaches its peak, after which the motion slows down.
9. Earth Has Uneven Gravity
In reality, Earth is not a perfect sphere, and as a result, its mass is unevenly distributed. These differences in mass lead to variations in gravitational force at different locations on the planet. One such anomaly is the Hudson Bay region in Canada, where gravity is weaker compared to other areas.
