Once feared as a threat to Earth, the asteroid Apophis is now considered to pose a rare exploration opportunity — if space agencies can act in time.
The 1,100-foot-wide (340 meters) Apophis, also known as asteroid 99942, is set to make a very…
Once feared as a threat to Earth, the asteroid Apophis is now considered to pose a rare exploration opportunity — if space agencies can act in time.
The 1,100-foot-wide (340 meters) Apophis, also known as asteroid 99942, is set to make a very…