Question: The current and most scientifically accurate theory for the formation of the Moon is:  a.) The large impact theory.  b.) The capture theory.  c.) The fission theory.  d.) The twin formation theory.

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: 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: What is the approximate percentage difference in diameter from Earth to Mars? a. 0.87% b. 1.05%…

A:

Q: 21) What evidence is there that Neptune's moon Triton has been geologically active recently?

A: Triton is the largest moon of the planet Neptune. It orbits in the direction opposite to Neptune's…

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: 8. For every 2 orbits Ganymede makes around Jupiter, how many orbits will Io make? a. 8 b. 1 c. 2…

A: Ganymede Europa and Io are the moons of Jupiter that orbit around it. the time period of Europa is…

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: 8. If the Apollo spacecraft orbited at 60 miles above the moons surface in a circular orbit, how…

A:

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: 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: Some planets have very strong magnetic fields. What features must a planet have to cause this?…

A: A flowing current gives rise to a magentic field.  A planet needs to rotate and have a liquid…

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: 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: 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: 1. What is extremely significant about the outer edge of Jupiter's main ring location which actually…

A: The ring of Jupiter is the third ring discovered by the scientists. It is faint and consists of dust…

Q: a)Calculate the mean density of the earth and moon assuming a spherical shape and the radii rErde =…

A:

Q: solve following parts: (i)Pluto is most similar to A. Europa B. Titan C. Triton D. The moon…

A: Universe.

Q: An asteroid could produce an iron core and silicate mantle if it   a. differentiated.   b.…

A: Asteroids are rocky objects of irregular shapes that orbit the Sun in the solar system. Asteroids…

Q: 4. The gravitational force between two masses m₁ and m₂ located a distance r apart has a magnitude…

A: Solution:- 1) The gravitational force acring between two masses m1 and m2 , separated by a distance…

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: 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: 15) Why is heat flow the key to understanding a planet's surface activity?

A: Heat flow is the rate of heat transfer it can take place through different mechanisms like…

Q: Because of the lack of a temperature difference between the equator and poles of Jupiter, the   a.…

A: Jupiter is a gas giant completely made up of gases, especially hydrogen and helium. There is no firm…

Q: The internal density of the comet 67P was measured by the Rosetta space-craft to be approximately p…

A: Given:Internal density of the comet 67P, ρ=400 kg m-3Density of the Earth, ρp=5500 kg/m3Density of…

Q: A lot of asteroid and comet dust collides with Earth's atmosphere everyday. Assume that 500 tons of…

A: Conversion for ton to kilograms is, 1 ton = 907.185 kg

Q: Describe the relationship between meteor showers and comets. Why do meteor showers occur about on…

A: It happens when the Earth's orbit around the Sun passes through remnants left behind after a comet…

Q: Scientists find evidence of a large meteor impact on the coast of the Yucatán Peninsula in Mexico.…

A: Answer - A - Evidence of the mass extinction of many species.

Q: The condensation sequence predicts that asteroids consisting of carbonaceous material would form…

A: Given: The condensation sequence predicts that asteroids consisting of carbonaceous material would…

Q: 3) Consider these two facts: (a) The Earth has been hit by as many impactors as the Moon and Mars.…

A: 3) The Moon has been hit by around 60 impactors in the last 600 million years and that of Mars is…

Q: TRUE OR FALSE 1. Asteroids, comets, and meteors have light of their own. 2. Meteoroids are formed…

A: 1. Asteroid: An asteroid is like a rock in space. So they don't have their own light. Comets: They…

Q: 1. Which of the outer planets have compositions dominated by the "ices" ingredient? Check the…

A: (1) Uranus and Neptune are the two the outer planets have compositions dominated by the "ices"…

Q: 31) What evidence indicates that the climate of Mars has cyclical changes?

A: Mars is the fourth planet in our solar system. It is a dusty cold desert planet.   It is a…

Q: Although Deimos is smaller than Phobos, Deimos has more debris on its surface. This difference in…

A:

Q: The condensation hypothesis for the formation of the moon suggests that the moon and Earth formed as…

A: Answer c. that the moon and Earth should have identical compositions and densities.