""So far we have found two large near-Earth asteroids that are about 1 kilometer [0.6 miles] across, a size that we call planet killers," Sheppard said." Tereza Pultarova Space.com Headline Image: © DOE/FNAL/DECam/CTIO/NOIRLab/NSF/AURA/J. da Silva/Spaceengine "Only about 25 asteroids with orbits completely within Earth's orbit have been discovered to date because of the difficulty of observing near the glare of the sun." Astronomers have discovered a giant asteroid hiding in the glare of the sun that might one day cross paths with Earth The 0.9-mile-wide (1.5 kilometers) asteroid is the largest potentially hazardous asteroid spotted in the past eight years and astronomers have dubbed it a "planet killer" because the effects of its impact would be felt across multiple continents. The asteroid, named 2022 AP7, managed to avoid detection for so long because it orbits in the region between Earth and Venus. To spot space rocks in this area, astronomers have to look in the direction of the