Which excerpt from Black Hole beginnings would this image best support in a multimedia presentation Brainly?
Explanation: According to the given image, the excerpt from “Black Hole Beginnings” that would best support the image in a multimedia presentation is option A. This is because, as more stuff gathers, its combined gravitation grows stronger and they are attracted to each other which is illustrated in the image.
How does the use of an informal writing style best help readers understand the topic?
How does the use of an informal writing style best help readers understand the topic? It helps readers find the exact location of a black hole. It helps readers visualize the inside of a black hole in space. It helps readers learn new black hole names and phrases.
What is the most likely reason why the author provides real life examples in this excerpt?
What is the most likely reason why the author provides real-life examples in this excerpt? They help readers connect to the idea that human eyes cannot see everything.
What is the most likely reason why the author provides real life examples in this excerpt They allow readers to understand how people’s eyes work they remind readers of how technology affects their own lives they describe the path of infrared light beams from a remote control?
What is the most likely reason why the author provides real-life examples in this excerpt? They allow readers to understand how people’s eyes work. They remind readers of how technology affects their own lives.
What happens first when a star begins to run out of fuel?
Explanation: When a star starts running out of fuel the pressure in the core becomes very high which pushes the outer layers of the star. A sun like star becomes a red giant and after throwing away the mass, the core contracts to becomes a white dwarf.
What is it called when a star is created?
When another star explodes on the edge of a nebula, the shock wave causes the gas cloud to slowly contract. It begins to turn on its center and heat up, forming an embryonic star called a protostar. Within the compacted cloud of hydrogen and helium, a nuclear reaction begins.
Which star type lives the longest?
The stars with the longest lifetimes are red dwarfs; some may be nearly as old as the universe itself.
- Red Dwarf Stars. Astronomers define a red dwarf as a star having between about 0.08 and 0.5 times the mass of the sun and formed primarily of hydrogen gas.
- Luminosity and Lifetime.
- Nuclear Fusion.
- Life Cycle of Stars.
Is our sun a red dwarf?
Red dwarfs include the smallest of the stars, weighing between 7.5% and 50% the mass of the sun. Their reduced size means that they burn at a lower temperature, reaching only 6,380 degrees Fahrenheit (3,500 degrees Celsius). The sun, by comparison, has a temperature of 9,900 F (5,500 C).
How many more years until the earth dies?
With the extinction of life, 2.8 billion years from now it is also expected that Earth biosignatures will disappear, to be replaced by signatures caused by non-biological processes.
Can we survive the sun’s death?
In about one billion years the Sun will begin to die. As that happens it will heat up and essentially melt the surface of the Earth before becoming a red giant and engulfing the planet entirely — unless we move the planet. It is possible for the Earth to survive the death of the Sun.
What if Earth stopped spinning?
If the Earth stopped spinning suddenly, the atmosphere would still be in motion with the Earth’s original 1100 mile per hour rotation speed at the equator. This means rocks, topsoil, trees, buildings, your pet dog, and so on, would be swept away into the atmosphere.
How fast is the Earth moving right now?
Thus, the surface of the earth at the equator moves at a speed of 460 meters per second–or roughly 1,000 miles per hour. As schoolchildren, we learn that the earth is moving about our sun in a very nearly circular orbit. It covers this route at a speed of nearly 30 kilometers per second, or 67,000 miles per hour.
Is the planet spinning faster?
The Earth spun faster than normal last year, according to scientists. Last year, the Earth broke the previous record for shortest astronomical day, set in 2005. In fact, the Earth broke the record 28 times in 2020.