... first time, astronomers have discovered a quadruple asteroid. Three asteroid moons dance around Elektra, a 200-kilometer-wide hunk of carbon-rich rock. — Corey S. Powell (@coreyspowell)
... first time, astronomers have discovered a quadruple asteroid. Three asteroid moons dance around Elektra, a 200-kilometer-wide hunk of carbon-rich rock. — Corey S. Powell (@coreyspowell)