Here's a short quiz to test your knowledge of astronomy and space science-related words and terms. All of these terms and words have been discussed, once or twice (or more), in 'Seeing Stars':
1. Quasar: A. Quantum-stellar particle. B. Quasi-stellar object. C. Quasi-stellar mass ejection.
2. KBO: A. Kuiper Belt Object. B. Kendrick Body Orbit. C. Kuiper-British Observatory.
3. White Hole: A. Theoretical time reversal of a black hole. B. Theoretical solar constant. C. Theoretical pulsar core.
4. Event Horizon: A. Boundary surrounding a black hole. B. Boundary surrounding a planetary ring system. C. Boundary of the Sun's gravitational effects.
5. Maria: A. Lead singer of the Trapp Family Singers. B. Dark lava "seas" on the Moon. C. Lunar volcanic features that resemble river channels.
6. Hawking Radiation: A. Radiation emitted by a stellar object. B. Radiation emitted by a stellar explosion. C. Radiation emitted by a black hole.
7. Dwarf Planet: A. Eros. B. Pluto. C. Mimas.
8. Titius-Bode Law: A. The mathematical concept that all planets form spheres. B. An exponential function of planetary orbital sequence. C. The law that governs stellar-mass formation.
9. Tektite: A. A type of iron oxide found on Mars. B. Spheres of manganese ore found on Earth. C. A natural glass object that looks like a meteorite.
10. Redshift: A.Decrease in the wavelength of electromagnetic radiation. B. Increase in the wavelength of electromagnetic radiation. C. Increase in the wavelength of sound in a vacuum.
11. CME: Coronal mass ejection. B. Coronal material ejection. C. Coronal membrane effect.
12. FTL: A. Faster than light. B. Fasbinder theory of light. C. Furneau transmission of light.
13. Cassini Division: A. Region between Saturn's Galileo and DaVinci rings. B. Region between Saturn's A and B rings. C. Region between Pluto and the Kuiper Belt.
14. Hyperbolic orbit: A. Kepler orbit with the eccentricity less than 1. B. Kepler orbit with the eccentricity greater than 1. 3. Kepler orbit with the eccentricity of a terrestrial planet.
15. Pulsar: A. Highly magnetized, rotating neutron star. B. Highly magnetized, rotating galactic core. B. Highly magnetized, rotating quasar. C. Highly magnetized, rotating brown dwarf.
16. Brown dwarf: A. Sub-stellar object. B. Spherical-stellar object. C. Spitzer-stellar object.
E-mail your answers, by May 2, to: firstname.lastname@example.org. We'll publish the names of those who get 100 percent in the quiz in next week's column.
Lou Varricchio, M.Sc., is a former NASA science writer. He is a NASA-JPL Solar System Ambassador in Vermont.