Diabytes
Asteroids News
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"This asteroid has visited earth at a much closer distance of 19 lakh km and 29 lakh km in 1935 and 1977 respectively. At that time, it flew away and never came towards the earth," said Dr Pattnaik.
As per Dr Pattnaik, '2008 G20' will be closest to earth on July 25, 2021 at 11.21 pm as per Indian Standard Time (IST).
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NASA has confirmed that an asteroid the size of a stadium is heading towards Earth's orbit next Saturday .
As per Indian Standard Time, it's July 25 at 1:05 am Wednesday.
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The asteroid may be a porous pile of rubber that was earlier supposed to contain 97% dense metal like iron, gold, and nickel
16 Psyche's bulk density, also known as porosity, which refers to the empty space is found within its body is around 35%
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2011 ES4 id listed on the Center for Near-Earth Object Studies' Close Approaches' database
It will fly past the Earth on September 1 at 10:49 A.M. Eastern Time.
The asteroid will fly 0.00048 astronomical units away or about 44,618 miles at a speed of 18,253 miles per hour.
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The Asteroid measures 130 m-280 m in diameter.
It will be travelling at a speed of 13.5 kilometres per second or 48,000 kilometres per hour
The asteroid will come within just 0.034 astronomical units (AU) of the earth on July 24.
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Asteroids are small, rocky objects that orbit the sun.
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On June 5 and June 6, total five asteroids will fly by the earth.
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According to NASA’s Center for Near-Earth Object Studies (CNEOS), the 177 feet wide asteroid will fly past earth at a speed of over 28,000 miles per hour on June 4.
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The largest asteroid named ‘163348 (2002 NN4)’ is estimated to be between 250m and 570m in diameter.
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Scientists have stressed that it poses no danger to the planet.
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Near-Earth objects (NEOs) are asteroids and comets that orbit the Sun, but their orbits bring them into Earth's neighborhood - within 30 million miles of Earth's orbit.
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The reason could be related to large collisions taking place more than 290 million years ago in the main asteroid belt between the orbits of Mars and Jupiter.
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'HAMMER' stands for Hypervelocity Asteroid Mitigation Mission for Emergency Response.
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What is interesting to note is that the asteroid was discovered by astronomers at the NASA-funded Catalina Sky Survey (CSS) in Arizona very recently – on February 4.
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Nicknamed 'Spooky' by some, the first radar images of the asteroid were generated by the National Science Foundation's 305-meter (1,000-foot) Arecibo Observatory in Puerto Rico.
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Asteroid trails can be seen across the image as curved or S-shaped streaks. Instead of appearing as one long trail, appear in multiple Hubble exposures that have been combined into one image.
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An infrared spectrometer analyses spectral signatures in light reflected or emitted by the asteroid to determine its mineralogy.
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The program will be aired on NASA Television and the agency’s website.
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According to Efe, the priority of the scientists during this mission will be to detect asteroids close to Earth to calculate the probability of their colliding with the planet.
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The mission, currently on a two-year outbound cruise to a near-Earth asteroid called Bennu, will spend almost two weeks searching for evidence of these small bodies, the US space agency NASA said on Thursday.
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