A) Spherical B) Cube-shaped C) Cigar-shaped D) Triangular
A) 1 million miles per hour B) About 196,000 miles per hour C) 400,000 miles per hour D) 50,000 miles per hour
A) From another star system B) Fragment of a comet C) Man-made object D) An asteroid from our solar system
A) Green B) Reddish C) Blue D) Yellow
A) Keck B) Pan-STARRS C) Hubble D) Subaru
A) Traveler B) Scout C) Visitor D) Friend
A) Hyperbolic B) Circular C) Parabolic D) Elliptical
A) Carl Sagan B) Avi Loeb C) Stephen Hawking D) Neil deGrasse Tyson
A) Varied by a factor of 10 B) Flashed irregularly C) Completely dimmed every rotation D) Remained constant
A) Towards Jupiter B) Out of the solar system C) Towards the Sun D) Towards Mars |