Astro 1 Exam 2 PSU | 100 Verified
Questions with 100% Correct
Answers | Updated for
Academic Year
Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, and Neptune. - What is the order of
the planets with distance from the Sun?
Venus - Which planet has the highest surface temperature?
Jupit...
Astro 1 Exam 2 PSU | 100 Verified
Questions with 100% Correct
Answers | Updated for 2024-2025
Academic Year
Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, and Neptune. - ✔✔What is the order of
the planets with distance from the Sun?
Venus - ✔✔Which planet has the highest surface temperature?
Jupiter - ✔✔Which planet has the largest mass?
Uranus - ✔✔Which planet has the largest tilt of its spin axis?
Mercury - ✔✔Which planet has the largest temperature variations?
Venus - ✔✔Which planet rotates backwards?
Mars - ✔✔Which planet has polar ice caps?
0 - ✔✔How many moons does Mercury have?
0 - ✔✔How many moons does Venus have?
2 - ✔✔How many moons does Mars have?
Mercury - ✔✔Which planets have no atmosphere?
Titan - ✔✔Which moon has a thick atmosphere in the solar system?
Planet mass, Gas mass, Gas Tempiture - ✔✔Which 3 factors determine if a planet holds onto
an atmosphere?
its dense atmosphere traps heat in a runaway version of the greenhouse effect that warms
Earth. - ✔✔What is the primary reason why Venus is much hotter than Earth?
Clyde Tombaugh in 1930 - ✔✔Who discovered Pluto?
, Astronomers noticed that the orbits of Neptune and Uranus were being affected by the gravity of
an unknown object in the Solar System. - ✔✔How was Pluto discovered?
30 to 50 AU - ✔✔What is the distance of Pluto from the Sun in AUs?
248 years - ✔✔What is pluto's Orbital period?
New Horizons - ✔✔Which spacecraft visited Pluto?
it's highly elliptical and titled - ✔✔How does the orbit of Pluto compare to the 8 planets?
it lacks enough mass and gravity to clear its neighborhood and is not a moon. - ✔✔Why isn't
Pluto considered a planet?
dwarf planet - ✔✔What is the official classification of Pluto now?
Eris and Ceres, Vesta - ✔✔What other members are apart of the same class as Pluto?
Asteroid Belt, Kuiper Belt, Oort Cloud - ✔✔What are the 3 regions of the solar system
containing asteroids and comets?
Ceres,vesta Pluto, Eris - ✔✔What are the largest known members of the Asteroid Belt and
Kuiper Belt?
1 - ✔✔How many asteroids are visible to the naked eye?
Ice Rocky material - ✔✔What are comets and asteroids made of?
The Dawn spacecraft - ✔✔Which spacecraft has visited Vesta and Ceres?
Rosestta - ✔✔what space craft deploy a lander onto a comet?
Gravity - ✔✔What causes a cloud of gas and dust to collapse to form a star?
Pressure and fusion in the core of the sun - ✔✔What halts the star's collapse?
hydrogen Fusion - ✔✔What is the source of the Sun's energy?
Helium energy - ✔✔What are the products of hydrogen fusion?
matter which became energy - ✔✔Where does the energy produced by hydrogen fusion come
from?
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