space debris Archives - Page 2 of 2

Sep22024 by Editor DeskNo Comments

Discovery of Earth’s Ambipolar Electric Field Unlocks New Insights into Planetary Atmospheres

In a groundbreaking discovery, scientists have confirmed the existence of a long-theorized electric field around Earth, known as the "ambipolar electric field," which plays a critical role in shaping our planet's atmosphere. First hypothesized over 60 years ago, this weak but significant phenomenon has been observed for the first time, thanks to recent measurements from NASA's Endurance rocket mission. The findings, published in Nature, reveal that this electric field drives a "polar wind" that propels charged particles from Earth's upper atmosphere into space at supersonic speeds. According to NASA, the ambipolar electric field is a key factor in the continuous outflow of particles above Earth's poles, lifting them to altitudes higher than they would otherwise reach. This process, in t...

Aug212024 by Editor DeskNo Comments

New Study Reveals How Supermassive Black Holes Rip Stars Apart in Spectacular Fashion

Breaking News, Disasters, Space

Supermassive black holes at the centers of galaxies, including our own Milky Way, have long been known to occasionally devour nearby stars, leading to a dramatic process called a tidal disruption event (TDE). A new study, published today in The Astrophysical Journal Letters, has provided the most detailed simulations yet of this violent phenomenon, shedding light on the complex process that unfolds over the course of a year. Tidal disruption events occur when a star ventures too close to a black hole and is stretched and torn apart by its immense gravitational forces a process known as "spaghettification." The star is shredded into long, thin strands, and about half of its material is drawn toward the black hole, forming a hot, luminous swirl of matter called an accretion disc. The othe...

Jul222024 by Editor DeskNo Comments

Discovery of Intermediate Mass Black Hole in IRS 13 Offers Vital Clues to Black Hole Evolution

Breaking News, Learning & Developments, Space

In a breakthrough that could significantly advance our understanding of black hole evolution, astronomers have identified a potential intermediate mass black hole within the star cluster IRS 13 near the Milky Way's core. This discovery, only 0.1 light-years from the supermassive black hole Sagittarius A* (Sgr A*), offers critical insights into the missing link between stellar mass black holes and their supermassive counterparts. Intermediate mass black holes, those with masses between 100 and 100,000 solar masses, are exceedingly rare. Their scarcity has left a puzzling gap in the evolutionary chain of black holes, which ranges from stellar mass black holes (up to about 80 solar masses) to supermassive black holes (millions to billions of solar masses). The detection of an intermediate ...

Jun242024 by Editor DeskNo Comments

NASA Sued After Space Junk Projectile Crashes Into Florida Home

Breaking News, Environment, Space

An American family is seeking over $80,000 in damages from NASA after a piece of space debris crashed through the roof of their Florida home. The incident has spotlighted the growing issue of space junk as spatial traffic increases, potentially setting a precedent for future claims against space agencies. On March 8, Alejandro Otero's home in Naples, Florida, was struck by an object weighing 700 grams, creating a hole in the roof. NASA later confirmed that the debris was part of a cargo pallet of used batteries, released as waste from the International Space Station (ISS) in 2021. Contrary to expectations, the pallet did not fully disintegrate during reentry and a section remained intact, impacting the Otero residence. Incident and Legal Action Alejandro Otero's son was home at the ti...