It seems that 2021 is going to be a good year for astronomy around the world: Three new probes arrived at Mars and an asteroid is making headlines.
Apophis (the Egyptian deity of chaos) is an asteroid classified as a Potentially Hazardous Asteroid (PHA). These are asteroids that can make close approaches to Earth and could cause significant regional damage in the event of impact.
Apophis has a diameter of approximately 300 meters—which is bigger than your average football stadium—and it is travelling fast. Imagine an entire football stadium, packed to the brim with rocks and metal, racing towards you at more than 60,000 miles per hour. Ay, ay, ay!