Psu_Astro_Zero_Zero_One_Unit_Three_Comprehensive_Script_2026_Precise

PSU ASTRO ZERO ZERO ONE UNIT THREE
COMPREHENSIVE SCRIPT 2026 PRECISE
CORRECT ANSWERS GRADED A+

⩥ Which planet has the highest surface temperature? Answer: Venus


⩥ Which planet has the largest mass? Answer: Jupiter


⩥ Which planet has the largest tilt of its spin axis? Answer: Uranus


⩥ Which planet has the largest temperature variations? Answer: Mercury


⩥ Which planet rotates backwards? Answer: Venus


⩥ Which planet has polar ice caps? Answer: Mars


⩥ How many moons does Mercury have? Answer: 0


⩥ How many moons does Venus have? Answer: 0


⩥ How many moons does Mars have? Answer: 2

, ⩥ Which planets have no atmosphere? Answer: Mercury


⩥ Which moon has a thick atmosphere in the solar system? Answer:
Titan


⩥ Which 3 factors determine if a planet holds onto an atmosphere?
Answer: Planet mass, Gas mass, Gas Tempiture


⩥ What is the primary reason why Venus is much hotter than Earth?
Answer: its dense atmosphere traps heat in a runaway version of the
greenhouse effect that warms Earth.


⩥ Who discovered Pluto? Answer: Clyde Tombaugh in 1930


⩥ How was Pluto discovered? Answer: Astronomers noticed that the
orbits of Neptune and Uranus were being affected by the gravity of an
unknown object in the Solar System.


⩥ What is the distance of Pluto from the Sun in AUs? Answer: 30 to 50
AU


⩥ What is pluto's Orbital period? Answer: 248 years