On Wednesday, the upper stage of a Russian Angara A5 heavy-lift rocket crashed, uncontrolled, back to Earth 🤯
After the upper stage booster failed to enter the Earth’s orbit and was instead pulled back toward the atmosphere by Earth’s gravity.
the astronomer and satellite tracker Jonathan McDowell, who’s based at the Harvard-Smithsonian Center for Astrophysics., the heavy-class Angara-A5 rocket, carrying a dummy payload was launched on December 27, 2021, from the Plesetsk cosmodrome in Russia. To be clear, I do NOT regard this object as a significant risk. Reentries for a object with dry mass of about 4 tonnes may see some debris reach the ground, but not much.The rocket is thought to have weighed around 20 tons, but over 75% of that mass would have been in fuel would have burned up in the atmosphere. So the chunk that fell back to Earth probably weighed around 3.
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