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Earth And Space
Trimester 1
| Question | Answer |
|---|---|
| Short period comets, such as Halley's Comet, originate from the | Kuiper Belt |
| How long did it take the Apollo Missions to get to the moon? | 4 Days |
| Which is the smallest? a. earth-sun distance b. 1 light minute c. 1 light hour d. 1 light day | b. one light minute |
| the Voyager was sent to space in | the 1970's |
| what does not belong? a. earth-sun b. earth-moon c. 1 AU d. 100,000,000 miles | b. earth-moon |
| a tunnel straight through the middle of the earth would be how long? | 8,000 miles |
| how large is the circumference of the earth? | 24,000 miles |
| which isn't in our solar system? a. sun b. Polaris c. comets d. asteroids | B. Polaris |
| Which planet is closet to the sun | Jupiter |
| Which planet is closest to the earth? | Venus |
| Which planet was the last to be discovered and the only one to be discovered by an American? | Pluto |
| The "Great Debate" was concerned with what? | Whether our galaxy is the only one |
| Which man made object has traveled the furthest from the Earth? | The Voyager Probe |
| What is the only space object a "common person" can have named after them? | Comet |
| Roughly how many stars are in our galaxy? | 2 x 10^11 |
| Why does Mr F state that the distance to the moon is 225,000-240,000 miles? | The orbit of the moon is an imperfect ellipse |
| What is required for a planet to have have free oxygen on it? | Water |
| How wide is our galaxy in light years? | 100,000 |
| What doesn't belong? a. Oort Cloud b. asteroid belt c. Kuiper belt d. comet | B. asteroid belt |
| The Oort Cloud is the home of | comets |
| Which is found on the SURFACE of the earth | meteoRITE |
| which would be found on the surface of the moon? | Asteroid |
| What is a "long haired star"? | Comet |
| what is found in earth's atmosphere only? | meteor |
| Dirty snowball | comet |
| shooting star | meteor |
| Between which two planets does the Asteroid Belt lie? | Mars/Jupiter |
| How old is a meteorite? | 4.5 Billion years |
| How many planets could greeks see with the naked eye? | 5 |
| what is the most important aspect of a star | mass |
| which spectral class is a Black Hole? | M |
| which is not on HR diagram? | Brown dwarf |
| what occurs in core of all stars? | fusion |
| which element is collecting as ash in our suns core at the present time? | Helium |
| As gravity compresses the core of a star, which of the folowing increases? | Temperature |
| What are black dwarfs? | cooled off white dwarfs |
| A star can be a supernova | Once |
| What is the correct order of the death of a GIANT STAR? | red super giant, supernova, neutron star, black hole |
| The formation of which element marks the beginning of the end of a GIANT STAR? | iron |
| If the sun turned into a black hole what would happen to earth? | it would get dark and cold |
| what are the two main greenhouse gases on earth? | water vapor and carbon dioxide |
| At what Kelvin temperature does fusion occur? | 10 million degrees K |
| The white dwaarfs that exist in the present Universe are all remains of | medium sized stars |
| A Quasar is | a glowing young galaxy with massive black holes at the center |
| What two factors slow time? | High speeds and Very strong gravity |
| What stage will our sun enter as it FIRST leaves the main sequence? | red giant |
| Einsteins Theory of Relativity refers to | the speed of light is always a constant and high speed slows time |
| How many constellations are in the ENTIRE sky? | 88 |
| How many stars are visible to the naked eye on a typical night? | about 3000 |
| Star names come from which language? | Arabic |
| Which is NOTTT circumpolar at this latitude | Orion |
| the "pointer stars" are found in the | big dipper |
| what is false about Polaris? | It's one of the brightest stars in the night sky |
| Which is false about the big dipper? | It is a very well known constellation |
| Constellations names are usually from which language? | Latin |
| Which constellation contains Polaris | Ursa Minor |
| Which is the brightest? a. Beta Cepheus b. Delta Cepheus c. Gamma Cepheus d. Alpha Cepheus | Alpha Cepheus |
| How many Modern constellations are found in the night sky? | 40 |
| How many constellations truly lie along the ecliptic? | 13 |
| ecliptic | the apparent path of the sun across the sky |
| betelgeuse is so bright bc | it is so large |
| cephei variables change their_____ over a given period of time | brightness |
| what happens to the force of gravity if you double the distance between objects | it reduces to one fourth |
| which is the only planet named for a Greek god? | Uranus |
| during shuttle flights, the pull of gravity on the shuttle, compared to the pull of gravity on the surface of the earth is | about the same |
| the space shuttle on average flies how far above the surface of the earth? | 200 miles |
| astronauts float bc | they are in free fall |
| which factors effect gravity? | mass and distance from the center of the body |
| a person standing on a 100 foot tower can see for how many miles? | 12 |
| famous pointer star | Merak |
| brightest star seen from earth | sirius |
| largest star you can see with the naked eye | betelgeuse |
| star with the greatest absolute magnitude | Rigil |
| distance to alpha centauri | 4.2 light years |
| distance to moon | 225,000 miles/ 4 days |
| distance to sun | 100,000,000 miles/ 1 A.U. |
| speed of light | 3.0 x 10^8 meters/second or 186,000 miles per second |
| speed of sound | 700 mph |
Created by:
taykinss
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