Berlin. In January, an asteroid burned up spectacularly in the night sky over Germany. He set a new record with his flight.
On January 21, it burned up in the night sky over Brandenburg and Berlin asteroid 2024 BX1 with bright glow. Following NASA's warning, astronomers and amateur scientists followed the streak of light that fell in several parts over the Brandenburg town of Nynhausen in Haviland at 1:32 a.m. Researchers have now been able to use the images… rotation From an asteroid that was less than a meter in size – and they were surprised.
The asteroid rotates on its axis every 2.6 seconds, and travels at a speed of about 50,000 kilometers per hour. This makes it the fastest celestial body ever to orbit near Earth, said Maxime Devogel, a physicist at the European Space Agency (ESA). “the new World”. His relevant research was conducted on the search platform “Archives” published.
I read about it:An asteroid burns near Berlin and lightning lights up the night sky
Asteroid: Researchers were able to calculate its rotation thanks to an innovative method
the previous Record holder The fastest rotation was asteroid 2020 HS7, which completed one rotation every 2.99 seconds, and with a diameter of four to eight meters, it was much larger than the asteroid over Germany. According to Devogel, asteroids orbit for several reasons. For example, its rotational force can come from a prior force Collision Come. Small objects usually spin faster than large objects because they have a greater internal force, Devogel explains.
This piece was found by four Polish meteorite hunters in a field near Riebeck in Brandenburg.
© Data Protection Agency images | Seven Dettlaff
Since a very short exposure time is required to take images of near-Earth asteroids like 2024 BX1, scientists used one Photo tricks. To do this, they adjusted the size of the aperture, keeping the background sharp and capturing the asteroid as a trail of light. Aperture is the adjustable opening in a camera lens through which light enters the camera.
Read also:Why can the northern lights now be seen more often in Germany?
The asteroid belongs to an extremely rare subspecies
Therefore, the change in brightness in the light path indicates that the asteroid has completed its rotation. The researchers counted these spots on the path of light and were able to do so repetition Of revolutions. In addition to the German asteroid 2024 BX1, they examined the rotation speed of two other asteroids.
The remains of the 2024 BX1 were found in Brandenburg several days after it burned. Accordingly, the asteroid was extremely rare An operetta. Operite resembles gray granite and is mainly composed of the orthopyroxene mineral enstatite. They are likely formed through magma processes on other celestial bodies.
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