Discover and read the best of Twitter Threads about #PlanetaryDefence

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2️⃣ days til #AsteroidDay!

The second most likely asteroid to strike Earth is 2018 VP1. A tiny little thing, it is estimated to be just 2.4 m in diameter and has a (relatively) high chance of striking Earth in November this year of 1 in 193

#SpaceCare💙
#PlanetaryDefence🌍
Even though 2018 VP1 seems very small, meteorites still regularly reach Earth's surface - it all depends on the composition of the asteroid.

ESA & @mfnberlin are currently studying the physical processes as an asteroid enters Earth's atmosphere with velocities above 11 km/s
In 2018, a similarly small object - 2018 LA - entered Earth over Botswana and South Africa. This was only the third asteroid that was detected before it impacted Earth

📷Barend Swanepoel
Read 4 tweets
The surprise close approach of asteroid '2019 OK' illustrates need for more eyes on the sky☄️🔭
Find out more: esa.int/Our_Activities…
#PlanetaryDefence🌍
Two key goals of ESA’s #PlanetaryDefence activities are, by 2030, Europe will be able to
1. Provide early warning for dangerous asteroids larger than 40 m in size, about three weeks in advance☄️

Find out about the 'bug-eyed' #Flyeye telescope that will scan our skies in the search for risky #spacerocks: esa.int/spaceinimages/…
Read 4 tweets

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