Asteroid 2019 R91 came within 23,238 miles of Earth’s surface on Thursday but went undetected. Shocking, isn’t it? According to a report of Cnet, asteroid 2019 R91 was the third space rock to approach closest to our planet in the year 2019. According to the NASA, asteroid 2019 R91 was travelling at speeds of 57,937mph and it came closer than some satellites orbiting the Earth. Luckily, the celestial body failed to hit Earth. It is to be noted that an asteroid (space rock) can bring tsunamis, shock waves and flattening winds that could be catastrophic. Over 7 lakh asteroids that have been found in space. The space rocks approach towards the Earth due to the gravitational forces that affect them. However, a car-sized asteroid slams into the Earth's atmosphere about once in a year. On the other hand, an asteroid large enough to threaten the existence of life on Earth arrives once in every few million years. Coming back to asteroid 2019 R91, NASA estimates the rock was between 23 and 56 feet in diameter. That makes it the same size as the rock that entered our atmosphere and exploded above Russia in 2013, causing plenty of damage. The space rock was undiscoverable because it came from daytime side. #cosmos #roscosmos #thedailycosmos #roscosmosofficial #planets #solarsystem #astronomy #2000qw7 #astronomyphotography #astronomynerd #astronomyfacts #astrophysics #astrophysics_ #astronomylover #milkyway #milkywaygalaxy #milkywaychasers #universe #universetoday #asteroid #galaxies #galaxy #blackhole #einstein #alberteinstein #stephenhawking #discoveryscience #instagram #neildegrassetyson #nasa (at International Tech Park, Chennai) https://www.instagram.com/p/B2PhcXsjesV/?igshid=1lq4cpmtqy4gj