a student makes a chart about galaxies and mentions that the universe consists of many galaxies such as the Andromeda galaxy and the Milky Way galaxy
which statement is true about these two galaxies
a. they are both moving away from each other
b. they both exert a strong gravitational pull on each other
c. the milky way is a spiral galaxy, and the Andromeda galaxy is not
d. the milky way galaxy is larger than the Andromeda galaxy
c. the milky way is a spiral galaxy, and the Andromeda galaxy is not
which statement best describes the distances between planets in the solar system?
a. it increases the farther you move from the sun
b. it stays the same for all planets in the solar system
c. it decrease the farther you move from the sun
d. it has varying distances with no specific patterns
a. it increases the farther you move from the sun
why do students and scientists construct scale models of natural phenomena
a. to define new units of measurement
b. to correct mistakes in nature
c. to collect data from natural events
d. to better observe patterns and relationships
d. to better observe patterns and relationships
which planet is approximately four times larger than the diameter of venus on a scale model
a. earth
b. mars
c. mercury
d. neptune
a. earth
how does distance affects gravity
a. gravity increases with increasing distances
b. gravity increases with decreasing distance
c. gravity is zero at any point in the solar system
d. gravity remains the same regardless of distance
b. gravity increases with decreasing distance
what is being used by scientist to organize earths history
a. geological time scale
b. mass extinctions
c. layers of rock
d. fossil record