A) Solar flare B) Penumbral shadow C) Blood moon D) Umbral ring
A) When the Sun passes behind Venus B) When the Earth passes between the Sun and Mars C) When the Moon blocks the Sun entirely D) When the Moon orbits through Earth's shadow
A) Equinox season B) Eclipse season C) Lunar winter D) Solstice season
A) The Moon's proximity to the lunar node B) The speed of the Earth's rotation C) The phase of the Venus cycle D) The distance from Mars to Earth
A) Only from the day side of Earth B) Only from the Earth's equator C) From anywhere on the night side of Earth D) Exclusively from the North Pole
A) An hour or longer B) A few seconds C) Less than thirty seconds D) Exactly five minutes
A) No, specialized filters are required B) Only through a telescope C) Yes D) Only with welding goggles
A) Deep purple B) Orange or red C) Bright green D) Neon blue
A) Doppler shifting B) Thermal radiation C) Quantum tunneling D) Rayleigh scattering
A) The photosphere B) The corona C) The thermosphere D) The umbra
A) The Moon completely enters the umbral core B) Earth's atmosphere stops refracting light entirely C) Earth's silhouette partially blocks the Sun in the lunar sky D) The Sun completely disappears behind the Moon
A) The region of any shadow cast by a light source with a non-zero angular diameter B) The absolute darkest center of a planetary shadow C) The reflective layer of the Moon's crust D) The direct beam of sunlight hitting the lunar limb
A) When the Moon touches the umbral core B) When no sunlight reaches the lunar surface C) When the Moon lies exclusively inside of the penumbra D) When the Moon blocks the Sun completely
A) As a bright flash of emerald light B) As a subtle dimming of the lunar surface C) As a sharp crescent shadow D) As a complete blacking out of the Moon
A) One-third B) One-tenth C) One-half D) Three-quarters
A) 50% B) 3% C) 15% D) 85%
A) Directly behind the Sun B) Partially inside of the umbra C) Exclusively inside the penumbra D) Completely outside Earth's shadow
A) About 1.03 km/s B) About 15.8 km/s C) About 0.12 km/s D) About 5.50 km/s
A) 1,000 mph B) 10,200 mph C) 2,300 mph D) 5,600 mph
A) Up to nearly 107 minutes B) Up to 10 hours C) Up to 5 seconds D) Exactly 15 minutes
A) Up to 30 minutes B) Up to 60 minutes C) Up to 236 minutes D) Up to 500 minutes
A) When the Moon's near side entirely passes into the Earth's umbral shadow B) When the Moon avoids Earth's shadow completely C) When the Sun moves directly in front of Earth D) When the Moon passes only through the penumbra
A) The brightness of the lunar limb B) The shadow of Venus C) Solar flares from the Sun D) Clouds in Earth's atmosphere
A) The curved edge of the Moon still being hit by direct sunlight B) The exact center of the lunar maria C) The deepest crater on the lunar surface D) The dark volcanic plains on the Moon
A) The entire surface will become more or less uniformly bright B) The lunar surface glows with a neon green hue C) The Moon accelerates in its orbit D) The Moon turns pitch black and vanishes
A) The surface of Mars B) Comet tails C) Stars surrounding it D) Saturn's rings
A) Because it has a thick atmosphere B) Because it is closer to the Sun C) Due to reflections from many surface irregularities within the limb D) Due to water ice melting on the edges
A) Satin fabric over a flat plane B) Denim fabric over a concave bowl C) Velvet fabric over a convex curved surface D) Cotton fabric over a cylinder
A) Jupiter B) Mercury C) Saturn D) Neptune
A) Because of the refraction of sunlight by Earth's atmosphere into the shadow cone B) Because solar wind illuminates the surface C) Because stars provide enough illumination D) Because the Moon generates its own internal light
A) The eclipse would last twice as long B) The Moon would turn bright blue C) The Moon would be completely dark D) The Moon would shatter
A) Because they originate from distant stars B) Because they travel slower than red light C) Because they are absorbed by lunar dust D) Because they interact strongly with the dense layer of Earth's atmosphere
A) Shorter wavelengths B) Ultraviolet wavelengths C) Longer wavelengths D) X-ray wavelengths
A) The scattering of light through Earth's atmosphere B) The reflection of light off ocean water C) The refraction of light through glass prisms D) The emission of light from city streetlights
A) To be setting or rising behind Earth B) To emit green light waves C) To be eclipsed by Mars D) To be completely stationary and blue
A) The speed of the solar wind B) The phase of the lunar month C) The gravitational pull of Jupiter D) The amount of dust or clouds in the atmosphere
A) It leaves the resulting light a deeper red color B) It turns the Moon bright white C) It makes the Moon invisible D) It turns the Moon yellowish-green
A) Volcanoes B) Glaciers C) Geysers D) Canyons
A) The vernal equinox B) The antisolar point C) The lunar aphelion D) The subsolar point
A) 50.0% B) 75.2% C) 40.4% D) 59.6%
A) Only when the Moon is at perigee B) Only during a partial eclipse C) No D) Yes
A) P1 B) U2 C) U1 D) U3
A) U2 B) U1 C) U4 D) U3
A) Johannes Kepler B) André Danjon C) Galileo Galilei D) Isaac Newton
A) L = 5 B) L = 2 C) L = 4 D) L = 3
A) A serpent B) A jaguar C) A toad D) A sow
A) A celestial tiger B) A golden dragon C) A three-legged toad named Chan Chu D) A great white bear
A) Swords B) Spears C) Shields D) Bows and arrows
A) Five B) Seven C) Ten D) Three
A) The high priest B) The army general C) The substitute king D) The king
A) Bells B) Drums C) Chimes D) Gongs
A) Fireworks B) Artillery C) Flare guns D) Rifles
A) Han dynasty B) Ming dynasty C) Qin dynasty D) Zhou dynasty
A) 363 B) 228 C) 70 D) 288
A) 36.3% B) 28.8% C) 15.5% D) 34.9%
A) 42.1% B) 36.3% C) 28.8% D) 34.9%
A) Solar cycle B) Saros C) Metonic cycle D) Lunar phase cycle
A) 19 years and 5 days B) 10 years and 6 months C) 28 years and 2 days D) 18 years and 11 days
A) 100 B) 70 C) 228 D) 29
A) 18 B) 50 C) 29 D) 70 |