Science
A Timely Reminder About The One Threat To Us All
It's still a collosal problem. And we are stuck between rocks and hardplaces, and getting more trapped by the year. And while everybody wants to scream, yell, and pound their fists about every other issue they claim to care about, people have slowly begun to voice their feelings much less about how petroleum is both pivotal to our existence, and a source of our problems.
By Jason Morton21 days ago in Earth
Fast Radio Burst 121102
In 2012, astronomers detected a millisecond burst of radio energy more powerful than anything our Sun produces in an entire day, and when it kept repeating from the same spot in deep space, we realized something extraordinary was sending us signals we cannot explain.
By The Curious Writer22 days ago in Earth
Experiencing Ball Lightning and surviving
A Ball Lightning encounter is unique Ball Lightning is a rare occurrence, with only 5% of the population said to have experienced it. This unusual phenomenon occurs during thunderstorms under the right atmospheric conditions.
By Cheryl E Preston22 days ago in Earth
The Star That Keeps Dimming for No Known Reason
In 2015, astronomers analyzing data from NASA's Kepler Space Telescope discovered a star designated KIC 8462852, located about 1,470 light-years from Earth in the constellation Cygnus, that was exhibiting brightness fluctuations unlike anything that had been observed in over 150,000 stars surveyed by the Kepler mission, and the pattern of dimming was so unusual and irregular that it could not be explained by any known natural phenomena including planets orbiting the star, stellar pulsations, or dust clouds, leading some scientists to seriously propose that the dimming might be caused by artificial structures built by an advanced alien civilization, specifically something like a Dyson swarm of solar collectors orbiting the star to harvest its energy, though this explanation while exciting was considered a hypothesis of last resort only to be entertained after all natural explanations had been exhaustively ruled out. The star, which became known informally as Tabby's Star after astronomer Tabetha Boyajian who led the research team studying it, showed dimming events where its brightness dropped by up to 22 percent, far more than could be explained by a planet passing in front of it, which typically causes dimming of only a fraction of a percent, and the dimming events were irregular and aperiodic, meaning they did not repeat on any predictable schedule, and different dimming events had different characteristics with some showing gradual dimming over days and others showing more sudden brightness drops.
By The Curious Writer23 days ago in Earth
The Bloop
NOAA detected an ultra-low frequency sound in 1997 that matched no known animal or geological phenomenon In the summer of 1997, an array of underwater microphones operated by the National Oceanic and Atmospheric Administration (NOAA) detected an extremely powerful ultra-low-frequency sound originating from a remote point in the South Pacific Ocean west of South America, and the sound, which was nicknamed "the Bloop" because of the blooping noise it made when sped up to be audible to human ears, was so loud that it was detected on sensors over 3,000 miles apart, making it the loudest underwater sound of unknown origin ever recorded, and the frequency pattern and characteristics of the Bloop did not match any known geological phenomena like volcanic activity or earthquakes, but intriguingly it did show characteristics similar to sounds produced by living creatures, specifically matching the frequency profile of sounds made by marine animals, though the Bloop was many times louder than the loudest sounds produced by the largest known animal, the blue whale, leading to speculation that it might have been generated by an enormous unknown marine animal far larger than any creature known to science.
By The Curious Writer23 days ago in Earth
The Great Attractor
Why the Milky Way and thousands of galaxies are being dragged at 1.4 million mph toward something we cannot see In the 1970s, astronomers studying the movement of galaxies through space discovered something that should not exist according to our understanding of how the universe works: our Milky Way galaxy and thousands of neighboring galaxies are being pulled at extraordinary speeds toward a specific region of space located approximately 220 million light-years away in the direction of the constellations Triangulum Australe and Norma, moving at approximately 1.4 million miles per hour toward this location, but when scientists looked at that region of space to identify what massive gravitational source could be pulling such an enormous volume of galaxies, they found nothing visible that could account for the attraction, no super-cluster of galaxies large enough to create the observed gravitational effect, no obvious structure that would explain why thousands of galaxies including our own are streaming toward this point like water circling a cosmic drain. This mysterious phenomenon became known as the Great Attractor, and despite decades of observation and increasingly sophisticated astronomical instruments, we still cannot directly observe whatever is causing this massive gravitational pull, though we have developed theories and collected indirect evidence that suggests the reality is even stranger than the initial mystery implied.
By The Curious Writer23 days ago in Earth
The Wow! Signal
How a 72-second radio burst from deep space shocked SETI scientists and remains unexplained after 47 years On August 15, 1977, at 11:16 PM Eastern time, the Big Ear radio telescope at Ohio State University detected a radio signal from space so powerful, so precisely tuned, and so apparently artificial that astronomer Jerry Ehman, reviewing the computer printout data the next day, circled the signal's alphanumeric designation and wrote "Wow!" in red pen in the margin, giving the transmission its now-famous name and creating what remains the most compelling potential evidence of extraterrestrial intelligence ever detected despite nearly five decades of attempts to find the signal again or explain it through natural phenomena. The signal lasted exactly seventy-two seconds, the maximum time any object could be observed by the Big Ear telescope as Earth's rotation carried that section of sky through the telescope's field of view, and it was detected at a frequency of 1420 megahertz, the exact frequency that hydrogen atoms emit radiation, and this frequency is significant because hydrogen is the most abundant element in the universe and because international agreements prohibit terrestrial radio transmissions at this frequency precisely because scientists believe any intelligent civilization would use this frequency for interstellar communication, making it the logical channel to monitor when searching for alien signals.
By The Curious Writer23 days ago in Earth
