Test your basic knowledge |

Astronomy Basics

Subject : science
Instructions:
  • Answer 50 questions in 15 minutes.
  • If you are not ready to take this test, you can study here.
  • Match each statement with the correct term.
  • Don't refresh. All questions and answers are randomly picked and ordered every time you load a test.

This is a study tool. The 3 wrong answers for each question are randomly chosen from answers to other questions. So, you might find at times the answers obvious, but you will see it re-enforces your understanding as you take the test each time.
1. 23.5° - the reason we have seasons

Warning: Invalid argument supplied for foreach() in /var/www/html/basicversity.com/show_quiz.php on line 183


2. 23.5° - the reason we have seasons

Warning: Invalid argument supplied for foreach() in /var/www/html/basicversity.com/show_quiz.php on line 183


3. An elongated circle - or oval shape - the shape of the planets orbit






4. A particle of electromagnetic radiation having zero mass and carrying a quantum of energy






5. A variable star that brightens and dims regularly - or pulses - and whose distance can be determined from its period of pulsation






6. A large body in space that orbits a star and does not produce light of its own






7. Astronomical telescope that picks up electromagnetic radiations in the radio-frequency range from extra-terrestrial sources






8. Space object made of dust and rock particles mixed with frozen water - methane - and ammonia that forms a bright coma as it approaches the Sun






9. A graph relating the temperature and brightness of stars






10. A model of the universe based on the assumption that the sun - moon - and planets all orbit Earth






11. Chunk of rock or dust in space






12. Large group of stars - dust - and gas held together by gravity; can be elliptical - spiral - or irregular






13. The motion of a spinning body (as a top) in which it wobbles so that the axis of rotation sweeps out a cone






14. A system of two stars that revolve around each other under their mutual gravitation






15. A star that expands and cools once it runs out of hydrogen fuel






16. Light distance travels in one year (9.5 trillion km)






17. Polish astronomer who produced a workable model of the solar system with the sun in the center (1473-1543)






18. Any of numerous small celestial bodies composed of rock and metal that move around the sun (mainly between the orbits of Mars and Jupiter)






19. An immense cloud of gas (mainly hydrogen) and dust in interstellar space






20. Italian astronomer - mathematician - and physicist. His telescopes proved the sun is the center of the solar system and that the planets/moon move. He was persecuted for supporting Copernicus' ideas.






21. Space object made of dust and rock particles mixed with frozen water - methane - and ammonia that forms a bright coma as it approaches the Sun






22. A system of galaxies containing from several to thousands of member galaxies






23. The brilliant explosion of a dying supergiant star






24. When the northern or southern most point on earth receives the most sun because the earth is tilted toward the sun






25. An extremely bright star of very large diameter and low density






26. Every object in the universe was attracted to every other object w/ a force that is directly proportional to the masses and proportional to distance between them






27. A group of about 30 galaxies that includes the Milky Way






28. A model of the universe based on the assumption that the sun - moon - and planets all orbit Earth






29. A system of two stars that revolve around each other under their mutual gravitation






30. Planet with a solid - rocky crust; more dense; Inner planet. Mercury - Venus - Earth - Mars






31. Brahe's assistant - German astronomer who first discovered the three laws of planetary motion (1571-1630)






32. The apparent change in position of an object when seen from different places






33. Spectrum of electromagnetic radiation emitted by a self-luminous source






34. Remnant of a star that is so dense that nothing - not even light - can escape its gravity field






35. Influenced by Copernicus; Built observatory and collected data on the locations of stars and planets for over 20 years






36. The apparent change in position of an object when seen from different places






37. A particle of electromagnetic radiation having zero mass and carrying a quantum of energy






38. The apparent westward motion of the planets with respect to the stars






39. A star that falls into the main sequence category on the H-are diagram






40. The brightness of a star when viewed from Earth






41. Italian astronomer - mathematician - and physicist. His telescopes proved the sun is the center of the solar system and that the planets/moon move. He was persecuted for supporting Copernicus' ideas.






42. The theory that the universe originated 20 billion years ago from the cataclysmic explosion of a small mass of matter at extremely high density and temperature






43. A space telescope and camera named for a famous astronaut (Edward Hubble) used to study space elements






44. The spectrum of electromagnetic radiation that has passed through a medium that absorbed radiation of certain wavelengths






45. Massive clouds of dust and gases where stars are born






46. Varying amounts of the lighted moon as seen from earth






47. A large body in space that orbits a star and does not produce light of its own






48. Chunk of rock or dust in space






49. The luminous cloud of particles surrounding the frozen nucleus of a comet






50. When the moon passes between earth and the sun - blocking the sunlight from reaching earth







Sorry!:) No result found.

Can you answer 50 questions in 15 minutes?


Let me suggest you:

Browse all subjects

Browse all tests

Most popular tests



Major Subjects

Tests & Exams


AP
CLEP
DSST
GRE
SAT
GMAT

Browse all subjects

Browse all tests

Most popular tests