Why are the lunar mountains smooth and rounded rather than having sharp, pointed peaks?                      A. Because a sheet of ice once covered the moon’s surface billions of years ago. B. Because they rose up from beneath the Moon’s surface due to an increase in pressure from its hot core billions of years ago C. Because micro meteorites impacts have caused their gradual erosion D. Because the moon once had sulfuric acid clouds long ago

Q: 5. If the Magellan spacecraft transmitted radio signals down through the clouds of Venus and heard…

A: Given Data: The time in which echo was heard is, t=0.000133 s   The distance traveled by a radio…

Q: Why are Mercury and the Moon so much more heavily cratered than the Earth? Explain how crater counts…

A: The fact that Mercury and Moon are more heavily cratered than Earth implies that the their surfaces…

Q: Due to tidal forces, a moon orbiting a planet will eventually a always keep the same side…

A: Due to tidal forces, a moon orbiting a planet will eventually  The moon's gravitational pull…

Q: Describe the planet Venus. Attributes like atmosphere, rotation, etc. should be included in your…

A: The planet Venus and Earth are similar in size, mass, density and volume. Both are formed about the…

Q: h of the following about comets is TRUE?     a. Cometary orbits always lie close to the ecliptic…

A: Comets

Q: Which of the following places is not generally considered a potential home for life in our solar…

A: Answer)  b) jupiter's atmosphere

Q: Enceladus is a moon of Saturn. What unique feature does it possess? Cryovolcanism, where water…

A: In this, it is asking about the unique feature of Enceladus.

Q: 6b) If it is true that asteroids and comets have always been raining down on the moon, then is…

A: 6.b) It is true that asteroid and comet are have always been raining down on the moon. In this basis…

Q: At what time of day might you see a full moon just rising above the eastern horizon? 6 PM noon 6 AM…

A: Solution:  The answer is Option A) 6 PM

Q: 1. Describe two theories that explain how the Moon formed? 2. Out of the inner planets in the solar…

A:

Q: The Soviet Venera landers found rocks on Venus that were over 4 billion years old.  True  False…

A: Venera was a soviet venus mission to study the surface and atmosphere of venus.  It investiagted the…

Q: Which of the following is least reasonable regarding impact craters? Group of answer choices The…

A: "The size and shape of the crater and the amount of material excavated depends on factors such as…

Q: The high-speed winds, high-level white clouds of methane ice crystals, and cyclonic circulations on…

A: Neptune radiates 2.7 times the heat that it receives from sun, which causes its high speed winds.

Q: The nebular theory of the formation of the solar system successfully predicts all but one of the…

A:

Q: What advantages do large telescopes have over smaller ones? a. larger collecting areas b. both…

A: telescopes are used to get the information about the far most foreign  bodies.

Q: channel

A:

Q: What can you conclude about the interior of the planet based on seismographs?

A: Answer : Option 'A' is correct answer. Reason is given below:

Q: Hellas Planitia includes the word "planitia" which is the latin word for "plain" in its name. The…

A: The name '' planitia'' is a latin word. The meaning of this word is ''plain''.

Q: Formation theories for the Moon have come and gone due to the discovery of new knowledge. The…

A: Alfred Wegener's theory is called as the Continental Drift Theory. He made it by observing…

Q: What will be the temperature of a Kuiper belt object at 40 AU, if the Earth is heated up to 220 K?…

A: Astrophysics.

Q: Which of these surface features, discovered by the first spacecraft mission (Mariner 4) to Mars, was…

A: Mariner 4 in its mission could locate Craters , Some later missions also showed the presence of…

Q: Which of the following statements accurately describes our current understanding of the solar…

A: Which of the following statements accurately describes our current understanding of the solar…

Q: What sources of data might help us determine more about how Earth's Moon formed?

A: The formation of the Earth has happened somewhat about 4.5 billion years back. According to the…

Q: The smallest planet in the solar system is A. Mercury. B. Mars. C. Uranus. D. Venus.

A: Answer : Mercury    The order of planets based on their size is : Mercury < Mars <…

Q: Both Venus and Mars have   a. volcanic craters only   b. impact craters only   c. some…

A: As per study both Venus and mars have some volcanic and some impact craters .

Q: When a projectile ( a rock from space, say) hits the surface of the Moon, which of the following do…

A: Correct answer   Option e ) a gushing out lots of water that had been frozen inside the ground of…

Q: Which of the following properties of Mars would be altered by the process of terraforming?     its…

A:

Q: Use the concept of escape speed to explain why the Moon has no atmosphere.

A: The escape velocity of an object is the minimum speed required to escape the gravitational force of…

Q: By looking at the overall density of our moon, we know that the vast majority of it is made of:…

A: The density of the moon is 3.34 g/cm3, which is about 60 percent of Earth's density.

Q: On the "canteloupe" hemisphere of Neptune's moon Triton, we see channels that were carved by liquid…

A: On the "cantaloupe" hemisphere of Neptune's moon Triton, we see channels that were carved by liquid…

Q: Which of the following is NOT best explained by Venus's extreme greenhouse effect?   a. its…

A: The following are the best explanation for the Venus extreme greenhouse effect: The atmosphere of…

Q: Earth's atmosphere contains just a small amount of carbon dioxide at the present time, because

A: Solution

Q: Do you think the Moon could retain an atmosphere of nitrogen for the age of the Solar System?…

A: Earth’s active magnetic field due to convection of molten iron core shields the atmosphere from the…

Q: For which of the following reasons (select all that apply), is it useful/important to send rovers to…

A: For which of the following reasons (select all that apply), is it useful/important to send rovers to…

Q: Given the information below, use an energy balance to determine the surface temperature of the…

A: The schematic for the solar radiation on a spherical object may be shown as below:   The actual…

Q: Select the correct answer. Which statement supports the giant impact theory for the formation of the…

A: The theory which explains the formation of moon in our solar system is called the giant impact…