Question #1:
Question #1 Is this lens convex or concave?
Slide3:
Is this a reflecting telescope, or a refracting telescope?
Question #3:
Question #3 Is this a gas planet or a terrestrial planet?
Question #4:
Question #4 Which planet is this?
Question #5:
Question #5 Is the circled star a main sequence, red giant, or white dwarf?
Question #6:
Question #6 Which of the two circled stars is hotter?
Question #7:
Question #7 Is this an orbit of a planet or a comet?
Question #8:
Question #8 Is this a meteor, meteoroid, or meteorite?
Answers:
Answers #1 - Concave
#2 – It’s a reflecting telescope, the eyepiece is on the side
#3 – It’s a gas planet.
#4 – This is a picture of Jupiter. Note the Great Red Spot.
#5 – The circled star is a red giant.
#6 – The green star is hotter.
#7 – The orbit is an oval, so it’s a comet orbit.
#8 – This is a meteorite. It hit the Earth’s surface.