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