ASTR 202 QUESTIONS IN POWER POINT 1

1-5

100

QUESTION 1) YOU ARE CHIEF ASTROBIOLOGY TARGET IDENTIFICATION OFFICER AT NASA. WHICH OF THE FOLLOWING BODIES WOULD BE THE BEST TARGET FOR THE SEARCH FOR SURFACE LIFE? 

(WEEK 1: 1A, 1B)

B) Super-Earth exoplanet with surface temperatures similar to Earth, surface h2o, thick atmosphere, no oxygen, permanent day & night sides.3

200

QUESTION 2) EXPRESS THESE QUANTITIES IN SCIENTIFIC NOTATION - HUMAN POPULATION: 7,726,610,000 (7.7 BILLION): 

(WEEK 1: 1A, 1B)

C) 7.73 x 10^9. 

300

QUESTION 3) EXPRESS THESE QUANTITIES IN SCIENTIFIC NOTATION - HUMAN BLOOD CELL - 0.00001 M (10 MICROMETER): 

(WEEK 1: 1A, 1B)

A) 1 x 10^-5.

400

QUESTION 1) HOW MANY SPHERES DID THE GREEKS NEED TO ACCOUNT FOR THE VISIBLE CELESTIAL BODIES? 

(WEEK 2: 2A, 2B)

A) 8. 

500

QUESTION 2) RETROGRADE MOTION ON THE SKY OCCURS BECAUSE: 

(WEEK 2: 2A, 2B)

B) Planets orbit with different velocities around the Sun, resulting in apparent reversals of their motion if observed from one of the planets.

6-10

100

QUESTION 3) WHICH IS THE FOLLOWING WOULD BE THE BEST TARGET FOR THE SEARCH FOR SURFACE OF LIFE? 

(WEEK 2: 2A, 2B)

D) Super-Earth exoplanets with surface temperatures similar to Earth, surface water, thick atmosphere, no oxygen, permanent day and night sides.

200

QUESTION 4) A SCIENTIFIC “MODEL” IS: 

(WEEK 2: 2A, 2B)

B) Conceptual representation of reality to explain and predict observed phenomenon. 

300

QUESTION 5) WHICH IS THE CORRECT SCIENTIFIC NOTATION FOR THE NUMBER 4,444,444,444.4: 

(WEEK 2: 2A, 2B)

C) 4.44 x10^9.

400

QUESTION 6) WHICH IS THE CORRECT SCIENTIFIC NOTATION FOR THE NUMBER -0.0000004:

(WEEK 2: 2A, 2B)

C) –4 x 10^-7. 

500

QUESTION 7) ERATOSTHENES MEASURED THE SIZE OF EARTH AND THE SIZE OF THE MOON BY:

(WEEK 2: 2A, 2B)

D) Measuring the angle between the sightlines to the Sun at noon from two cities of known distance and basic geometry; and by observing the size of Earth’s shadow on the Moon during a lunar eclipse.

11-15

100

QUESTION 1) “KEPLER’S FIRST LAW ALLOWS PLANETS TO MOVE ON ORBITS THAT ARE”: 

(WEEK 3: 3A, 3B)

C) Elliptical but not circular. 

200

QUESTION 2) EARTH’S ORBIT: ELLIPSE TO CIRCULAR, 1.7% DIFFERENCE IN CLOSEST AND FURTHEST DISTANCE FROM THE SUN. ACCORDING TO KEPLER’S SECOND LAW OF PLANETARY MOTION, A PLANET WITH A ORBIT LIKE EARTH’S WOULD: 

(WEEK 3: 3A, 3B)

B) Move faster when closer to the Sun.

300

QUESTION 3) KEPLER’S LAWS OF PLANETARY MOTION ARE BASED ON DETAILED OBSERVATIONS MADE BY WHICH ASTRONOMER? 

(WEEK 3: 3A, 3B)

B) Tycho Brache. 

400

QUESTION 4) ARISTOTLE SAID THAT EVERY OBJECT NATURALLY MOVES TOWARD ITS RESTING PLACE. WAS HE RIGHT AND WHICH OF NEWTON’S LAW ADDRESSES THIS: 

(WEEK 3: 3A, 3B)

A) Yes: Newton’s 1st law.

500

QUESTION 5:) IF A DEEP SPACE ROCKET SUDDENLY STOPS ITS ENGINE IT WILL: 

(WEEK 3: 3A, 3B)

C) Continue with same speed. 

16-20

100

QUESTION 6) IF A SPACESHIP IGNITES TWO ROCKETS INSTEAD OF ONE, IT WILL ACCELERATE: 

(WEEK 3: 3A, 3B)

B)Two times faster.

200

QUESTION 7) IS THE FOLLOWING STATEMENT TRUE? “KEPLER’S LAWS ARE VALID FOR ALL PLANETARY SYSTEMS”: 

(WEEK 3: 3A, 3B)

A) True, Kepler’s Laws are given by the universal law of gravitation which is valid everywhere. 

300

QUESTION 8) NEWTON EXPLAINED KEPLER’S LAWS: 

(WEEK 3: 3A, 3B)

By showing mathematically that the planets move according to a few simple, universal principles of motion and gravity.

400

QUESTION 1)  IN THE SCIENTIFIC METHOD, OBSERVATIONS (DATA) ARE MOST USEFUL FOR: 

(WEEK 4: 4A, 4B)

C) Proving theories.

500

QUESTION 1) SOUND TRAVELS AT A SPEED OF 340 METERS PER SECOND. IN ANALOGY TO THE LIGHT-YEAR, WHAT DOES 1 SOUND-MINUTE EQUAL?: 

(WEEK 5: 5A, 5B)

C) The distance traveled by sound in 1 minute. 

21-25

100

QUESTION 2) WHICH IS THE RIGHT ORDER (FROM CLOSEST TO FARTHEST FROM EARTH)?: 

(WEEK 5: 5A, 5B)

B) Moon, Sun, Jupiter Alpha Centauri, Center of the Milky Way, Virgo Galaxy Cluster.

200

QUESTION 3) WHAT CAUSES A PLANET’S RETROGRADE MOTION? 

(WEEK 5: 5A, 5B)

A) Apparent change in motion as the faster inner planets catch up with the slower outer ones.

300

QUESTION 4) WHICH IS NOT A HALLMARK OF SCIENCE?: 

(WEEK 5: 5A, 5B)

D) Makes testable predictions about natural phenomena. If predictions do not agree with the observations, model must be revised or abandoned. 

400

QUESTION 5) THE EXPANSION OF THE UNIVERSE WAS DISCOVERED: 

(WEEK 5: 5A, 5B)

C) When Hubble found that further galaxies are moving away from us at higher speeds. 

500

QUESTION 6) IF WE WERE TO SEND TODAY (2019) A LASER LIGHT SIGNAL TO AN ADVANCED CIVILIZATION IN THE TRAPPIST-1 PLANETARY SYSTEM APPROXIMATELY 41 LIGHT YEARS AWAY, WHEN WOULD THE SIGNAL ARRIVE AT ITS DESTINATION? 

(WEEK 5: 5A, 5B)

B) 2060.