NASA celebrates Black Hole Week 2023: Check out the latest images and videos!

NASA celebrates Black Hole Week 2023: NASA celebrates Black Hole Week from May 1 to 5, 2023. Black holes are considered the most mysterious cosmic objects in the universe. Many scientists and space organizations study black holes and still do not fully understand their phenomena. A black hole is not a hole but a huge concentration of matter packed into very small space. The surface of a black hole is called the event horizon. This surface is not like the surface of the Earth or the Sun. The event horizon is the boundary containing all the matter that makes up the black hole. Because the black hole is so dense, the gravity just below its surface, the event horizon, becomes strong enough that nothing, including light, can escape from it.

Is your type tall (maybe even “super massive”), dark, and mysterious? Memory # black hole week with us!

Learn more about these cosmic objects, share science updates, visualizations, and audiovisualizations. monitor @NASAUniverzum and tune: https://t.co/6fYorGK8rd pic.twitter.com/rS1vDyO1Eq

– NASA (@NASA)
May 1, 2023

NASA Black Hole Week 2023: May 1-5, 2023

Image source: NASA

According to data shared by NASA, there could be tens of millions of black holes around the Milky Way. However, so far we have only identified a few dozen. Detected stars are often paired with an interacting star in a way that reveals the presence of a black hole in the universe. So NASA will be sharing images of hidden black holes throughout the week. Black Hole Week was established by NASA in 2019 to take a closer look at black holes on social media.

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Welcome to # black hole week! Most galaxies, like our own Milky Way, have a black hole at their center. This computer simulation shows what it looks like. At the center is the event horizon of a black hole, from which light cannot escape. https://t.co/mayS4A7WiA pic.twitter.com/yKmPvuLB7w

– NASA Exoplanets (@NASAExoplanet)
May 1, 2023

truth black hole

Here are some interesting facts about black holes:

Featured

truth

Nearest

The nearest known black hole, called 1A 06200-00, is 3,000 light-years away.

furthest

The most distant black hole discovered lies at the center of a galaxy called QSO J0313-1806, about 13 billion light-years away.

biggest

The largest black hole observed, TON 618, has a mass 66 billion times that of the Sun.

At least

The lightest known black hole has only 3.8 times the mass of the Sun. It is paired with a star.

Spaghetti

A term that actually describes what happens when matter gets too close to a black hole. It is compressed horizontally and stretched vertically, like noodles.

Turn

All black holes are spinning. The fastest known – known as GRS 1915+105 – operates at over 1000 revolutions per second.

particle accelerator

The massive black holes at the centers of galaxies can eject particles at nearly the speed of light.

Gravity is the same

If you replaced the Sun with a black hole of the same mass, the Solar System would become much cooler, but the planets would remain in their orbits.

oak star

This type of black hole is formed when massive stars run out of fuel and explode in supernovas.

Not so rare

Most galaxies the size of the Milky Way have massive black holes at their centers. Our star is called Sagittarius A* (pronounced ey-star), and it has a mass 4 million times that of the Sun.

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How to find a black hole?

Since black holes neither emit nor reflect light, they cannot be seen with a telescope. Scientists discover and study black holes mainly based on their impact on the environment. NASA has shared four ways to detect black holes:

1. Black holes can be surrounded by rings of gas and dust, called accretion disks, that emit light at many wavelengths, including X-rays.

2. The intense gravity of a supermassive black hole can cause stars to orbit it in a certain direction.

3. As massive objects accelerate through space, they create ripples in the fabric of space-time called gravitational waves. Scientists were able to detect some of them using the impact of waves on the detector.

4. Massive objects like black holes can bend and distort the light of more distant objects. This effect, known as gravitational lensing, can be used to find isolated black holes that are invisible.

That is # black hole week, a special week where we celebrate black holes! We can talk about black holes every day, but we still have the rest of the universe to study. So it’s time for them to shine… figuratively, of course, because black holes don’t emit their own light. pic.twitter.com/lR9fn9eO4D

– NASA Space (@NASAUniverse)
May 1, 2023

In fact, there’s a lot we don’t know about black holes, such as what matter looks like inside their event horizon. However, scientists have discovered a lot about black holes over the past few decades. So if you’re interested in black hole events, then NASA’s Black Hole Week is for you!

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Categories: Trends
Source: tiengtrunghaato.edu.vn

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