armandor84562 armandor84562 04/03/2017 Physics Middle School +5 pts. Unexpected to say the least. A high percentage of their atmospheres (over 90%) is carbon dioxide. Comets and asteroids are... materials leftover from the formation if the planets. What are planets made of? The first solar system found outside our own did not involve a main sequence star like our own, but a pulsar. Outer Planets Read It! Jupiter Lecture 31 - Professor: Wang Telescopes Lecture 20 - Professor: Wang Atmospheres Lecture 18 Atmospheres Lecture 17 Mass … Deeper (invisible) cloud layers consist of water and possibly ammonium hydrosulfide (Jupiter and Saturn) and hydrogen sulfide (Neptune). Secondary atmospheres are relatively thin compared to primary atmospheres like Jupiter's. As well as all being huge and being made up mostly of gases, all four have rings spinning around them, with Saturn having the most famous rings. TRAPPIST-1 is an ultra-cool dwarf star of spectral class M8.0 ± 0.5 that is approximately 8% the mass of and 11% the radius of the Sun.Although it is slightly larger than Jupiter, it is about 84 times more massive. Most of the earth is made up of only three elements: iron, silicon, and oxygen. Click here to get an answer to your question ️ Which planets are mostly "made of" atmosphere? Know about primary atmospheres An atmosphere, composed mostly of hydrogen and helium, that forms at the same time as its host planet. Further processing of a secondary atmosphere, for example by the processes of biological life , can produce a tertiary atmosphere , such as that of Earth . See answer Brainly User Brainly User The planet Venus is mostly made of atmosphere hope this helps! The composition of Earth's atmosphere is largely governed by the by-products of the life that it sustains. All of the gas giant planets are similar: Jupiter, Saturn, Uranus, and Neptune. Since these planets have no solid surfaces, their atmospheres are more representative of their general compositions than is the case with the terrestrial planets. It's an odd mix compared to the atmospheres of other planets. They are massive and consist of a thick atmosphere and a dense molten core. The four giant planets have generally similar atmospheres, composed mostly of hydrogen and helium. Their atmospheres contain small quantities of methane and ammonia gas, both of which also condense to form clouds. The atmospheres of the planets Venus and Mars are primarily composed of carbon dioxide, with small quantities of nitrogen, argon, oxygen and traces of other gases. For example, Venus' atmosphere is composed primarily of carbon dioxide. The Solar System (L19 171A) Academic year. First, comets are made mostly of volatile materials, albeit in a frozen form: water, carbon dioxide, methane, ammonia, and other compounds of carbon, oxygen and nitrogen with each other, and with the hydrogen which made up the bulk of the Solar Nebula. Made primarily of gasses these planets are called Jovian planets or gas giants. The Mercury’s position in the solar system is the primary problem in studying the composition of the Mercury’s atmosphere. The atmospheres of the jovian planets are the parts we can observe or measure directly. Washington University in St. Louis. 2017/2018. Transparent atmospheres allow us to see their surfaces. D)The planets' orbits are mostly close to being circular. As most information is for the atmospheres of Jupiter (and Saturn), we focus on the largest planet in the solar system. Their atmospheres contain small quantities of methane and ammonia gas, both of which also condense to form clouds. With increasing size, the protoplanet's gravity may have become a sink for the concentration of solar nebula gas. Jupiter, for instance, is made up mostly of trapped helium, hydrogen, and water. Our atmosphere is about 78% nitrogen and 21% oxygen, with traces of other things like water and carbon dioxide. rocky or terrestrial planets that are made of mostly rock. Answered Which planets are mostly "made of" atmosphere? Its thin white clouds are mostly water ice crystals. The deuterium in the planetesimals has been considered to be enriched compared to the solar nebula. Mercury has almost no atmosphere. Helpful? All of the planets in our solar system, and some of its smaller bodies too, have an outer layer of gas we call the atmosphere. The inner planets (Mercury, Venus, Earth, and Mars) are relatively small rocky planets made up mostly of silicate minerals and iron and nickel metal. atmosphere is made up of gases in all planets. Comments. Related documents. 0 0. In the outer Solar System are the four remaining planets Jupiter, Saturn, Uranus, and Neptune. The atmosphere usually sits atop a denser, rocky crust or planetary core. They differ mainly in size and the concentration of certain gases in their atmospheres. The cores and atmospheres of the giant planets are believed to be made from the accretions of icy planetesimals, and the capture of gases from the surrounding proto-solar nebula. Earth and Mars, c. Venus and Mars, d. Mercury and Ma… Click to enlarge We’re heading out of this world for today’s post, to examine the atmospheric compositions of the other planets in the solar system, as well as our own. Please sign in or register to post comments. But if you mean planets that are mostly atmosphere, then those are gas giants (Jupiter, Saturn, Neptune, Uranus) Primary Atmospheres: The primary atmosphere for every terrestrial world was composed mostly of light gases that accreted during initial formation. 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