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‘Potentially Hazardous’ Asteroid the Size of Golden Gate Bridge Approaching Earth at 11 km/s
Sputnik News – May 11, 2020
Several space rocks are expected to cross paths with earth this month, but the largest one, and potentially the most dangerous, is the Apollo-class 1997 BQ asteroid, as researchers believe that any space objects measuring close to one kilometre in diameter could have devastating consequences for our planet.
NASA disclosed that 1997 BQ asteroid, also known as 136795, will “closely approach” Earth on the evening of 21 May, sweeping round at a speed of around 11.6 kilometre per second. The space rock was first observed back in January 1997 and is measured at between 0.668 and 1.493 kilometers in diameter, judging by its brightness, which makes it “roughly” comparable in size to the Golden Gate Bridge, the space agency notes.
The asteroid is deemed “potentially hazardous” by NASA, as it belongs to the Apollo category of space rocks, the trajectory of which crosses the orbit of our planet. It might be too early to sound an alarm though, as 1997 BQ will only approach our home from a distance of 0.04115 astronomical units, or 6.156 million kilometres in human terms.
However, NASA’s Centre for Near Earth Object Studies is closely monitoring the object which is considered to be larger than 97% of other space asteroids. Any rocks that are close to one kilometre in size can be potentially dangerous to our planet, the National Near-Earth Object Preparedness Strategy revealed in 2018, as they can create a significant regional impact with secondary effects such as tsunamis, without even making contact with the earth.

NASA Missed an Asteroid that Came Closer to Earth than the Moon
Adam Eliyahu Berkowitz– April 16, 2020
An asteroid the size of a house was discovered by NASA last week, which was just in time to announce its near-miss on Wednesday night. Asteroid 2020 GH2 is estimated to be 43 to 70 feet wide according to Space.com.
NASA’s Planetary Defense Coordination Office assured Earth-dwellers that our planet was safe from destruction, tweeting a video that attempted to put a near-earth pass into perspective.
The video depicted the Earth as a basketball, the moon as a tennis ball 25 feet away, and the asteroid responsible for the demise of the dinosaurs as a grain of salt “a couple of blocks away.” But GH2 was not a couple of blocks away. GH2 passed by the Earth at a distance of 220,000 miles, which put it about 16,000 miles closer than the moon.

“Poisonous Comet” That Witnessed the Construction of Egyptian Pyramids Returns to Our Solar System
Sputnik News – April 4, 2020
Stargazers may soon be treated to quite a spectacle as an ancient comet that hasn’t been seen near Earth for thousands of years is making a return trip to our part of the galactic space.
As Lyudmila Koshman, astronomer at the Moscow Planetarium, explained, the C/2019Y4 Atlas comet, whose core contains poisonous chemical compound called cyanogen, visited our solar system last time during the 4th millennium BC, “back when the great pyramids were being built in Egypt”.
“It may become the brightest one in our sky for the last seven years”, she said. “Due to the solar wind, the comet starts sprouting two tails – one gaseous, the other comprised of dust – which give it an especially spectacular look”.
According to Koshman, the comet will pass the Earth at a distance of about 117 million kilometers on 27 May, and on 31 May, it will approach the Sun at a distance of about 38 million kilometers, which is less than the distance between the Sun and Mercury – the closest planet to the heart of our solar system.
The astronomer noted that the comet’s greenish hue is a product of cyanogen contained within its core becoming fluorescent when bombarded by UV radiation, and that by the end of April, the comet will become as bright as the stars of Ursa Major so it will be visible to the naked eye.

Largest Planet-Killer Asteroid To Approach Earth This Month Arriving On Saturday
Inigo Monzon – February 12, 2020
A potentially hazardous asteroid that’s big enough to trigger a nuclear winter and mass extinction events on Earth following a collision will intersect the planet’s path this weekend. According to the data collected by NASA, the approaching asteroid is larger than the tallest man-made structure in the world.
NASA’s Center for Near-Earth Object Studies (CNEOS) has identified the incoming asteroid as 163373 (2002 PZ39). As indicated in CNEOS’ database, this asteroid is currently traveling toward Earth at a speed of almost 34,000 miles per hour.
CNEOS estimated that 163373 (2002 PZ39) has a diameter of around 3,250 feet, making it significantly bigger than the Burj Dubai, which is currently the tallest building in the world. Given its incredible size, 163373 (2002 PZ39) will be the biggest asteroid to approach Earth this month.
According to CNEOS, 163373 (2002 PZ39) is an Apollo asteroid, which means it is known to intersect Earth’s path around the Sun from time to time. Due to its dangerous orbit and massive size, approaching space rock has been labeled as a potentially hazardous asteroid.
“Potentially Hazardous Asteroids (PHAs) are currently defined based on parameters that measure the asteroid’s potential to make threatening close approaches to the Earth,” NASA explained in a statement.
Since 163373 (2002 PZ39) follows an Earth-crossing orbit, it has a chance of colliding with Earth every time it passes the planet. If the asteroid collides with Earth, it will cause a major impact event.
NASA and other space agencies have warned that kilometer-sized asteroids can do a lot of damage to Earth. If 163373 (2002 PZ39) hits the planet, its initial blast would instantly kill off millions.
Then, due to its size, the energy from its explosion would be enough to trigger a global nuclear winter that could last for years. The harsh environmental changes triggered by the asteroid’s impact could lead to the mass extinction of different species.

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