Why would a tourist brochure (of the future) describing the most dramatic natural sights of the giant planets have to be revised more often than one for the terrestrial planets?

What is comparative planetology and why is it useful to astronomers?

Read the following excerpt from The Pluto Files by Neil deGrasse Tyson.The exhibit models, their accompanying text, and the overall layout of the Center organized the principal contents of the solar system by objects of like properties, rather than as enumerations of planets and their moons.The formal tone is best maintained by which of the following summaries?A.The typical museum layout was to organize celestial objects by order, instead of the more logical grouping of common features.B.There were planets and moons and such everywhere until they put the parts together that were a lot like each other.C.The center was really great because everything was so organized by what things were alike.D.Everything in the museum used to be all over the place, but then it finally got fixed up into groups of the same things together.

This classification change, to be sure, disappointed-some fans of Pluto who wanted to keep it a member of the solar system’s family of planets. The change in Pluto’s status, _______ did succeed in bringing into view what Mike Brown, Etis’s discoverer, called “an incredibly important thing to understand about the solar system”, that its eight planets are distinct from the range of other objects orbiting the Sun.24Mark for reviewAbcWhich choice completes the text with the most logical transition?Aaccordingly,Bthough,Cadditionally,Din other words,

Text 1Recent studies on exoplanets have challenged the conventional understanding that gas giants primarily form far from their host stars. In a 2022 analysis of data from the Kepler Space Telescope, researchers identified several gas giants in close proximity to their stars, contradicting the traditional model of planetary formation.Text 2Researchers who have charted the formation of gas giant planets acknowledge that their analysis relies on indirect observational methods, and some scientists argue that alternative explanations, such as planetary migration, could account for the observed distribution of gas giants. While the data suggests the existence of gas giants in close proximity to stars, critics emphasize the need for caution in interpreting these findings and advocate for further observational techniques to validate the conclusions.9Mark for ReviewCross out answer choices you think are wrong.ABCWhich choice best describes how Text 1 and Text 2 relate to each other?AText 1 discusses recent findings challenging established ideas about gas giant formation without favoring any specific explanation, whereas Text 2 raises concerns about the methodology behind those findings.BText 1 argues that the traditional model of gas giant formation is outdated based on recent research, whereas Text 2 proposes a modified version of the traditional model that accommodates the new observations.CText 1 outlines a study on gas giants and addresses criticisms of its methodology, whereas Text 2 provides additional evidence supporting the findings of traditional models.DText 1 presents new observations about gas giants and introduces potential discrepancies, while Text 2 scrutinizes the methodology and suggests alternative explanations for the observed data.

Look at the following statement from the Article:Astronomers have discovered thousands of planets outside our solar system, but as of March 2017 most of those found were not within the habitable zones of their stars and only a handful of them were approximately the size of Earth.Why did the author include this information?A.To demonstrate why the researchers involved in the discovery of the TRAPPIST-1 system need to study the chemical compositions and atmospheres of seven planetsB.To point out that while the TRAPPIST-1 system features a dwarf star, the rocky planets in the system are all within a habitable zoneC.To emphasize that it is unusual for astronomers to discover planets like those found orbiting TRAPPIST-1D.To question whether the three Earth-size planets near TRAPPIST-1 are truly orbiting within the habitable zone of such a compact star system