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