| Question Answer | Which planet in addition to Earth shows clear evidence of water erosion Mars | Relative small bodies which generally orbit between Mars and Jupiter are called Asteroids | The spectacular bodies that have been compared to large dirty snowballs are called comets |
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What planets provide water evidence?
- Mercury: Frozen water. …
- Venus: Basically no water at all. …
- Earth: Lots of water in all forms (liquid, ice, vapour).
- Mars: Ice, trace amounts of vapour, possibly some liquid water underground. …
- Jupiter: Water in frozen and vapour form.
- Saturn: Water in frozen and vapour form.
Does Venus have erosion?
It may be useful to point out instead that it is the presence, not the absence, of erosional mechanisms on Venus which is surprising. … The principal causes of erosion of terrestrial rocks—running water, diurnal and seasonal temperature changes, particularly in deserts, and aeolian abrasion—
are all absent on Venus
.
Does Mercury have erosion?
Mercury: zero weathering
. You need an atmosphere for wind erosion, and water will not exist as a liquid without an atmosphere. Mercury’s atmosphere is extremely thin – thus no wind or water is available for weathering. … Mars: wind erosion; no water erosion.
Is there water on any planets?
The “ice giant” (sometimes known as “water giant”) planets
Uranus and Neptune
are thought to have a supercritical water ocean beneath their clouds, which accounts for about two-thirds of their total mass, most likely surrounding small rocky cores, although a 2006 study by Wiktorowicz and Ingersall ruled out the …
Is Earth the only planet that has water?
Earth is the only known planet to have bodies of liquid water on its surface
. … Currently, Earth is the only known planet (or moon) to have consistent, stable bodies of liquid water on its surface. In our solar system, Earth orbits around the sun in an area called the habitable zone.
Does erosion happen on moon?
Unlike on Earth,
there is no erosion by wind or water on the moon
because it has no atmosphere and all the water on the surface is frozen as ice. Also, there is no volcanic activity on the moon to change the lunar surface features. Nothing gets washed away, and nothing gets folded back inside.
Does water cause erosion?
Liquid water is the major agent of erosion on Earth
. Rain, rivers, floods, lakes, and the ocean carry away bits of soil and sand and slowly wash away the sediment. Rainfall produces four types of soil erosion: splash erosion, sheet erosion, rill erosion, and gully erosion.
Is there iron on Venus?
Structure.
Venus’s inner core is composed of iron-nickel
. Although it is hot enough to melt, the tremendous pressure on top of it keeps it solid. Venus’s outer core is also composed of iron-nickel, but unlike the inner core, it is not put under enough pressure to make it a solid.
What planet is nearest Earth?
Calculations and simulations confirm that on average,
Mercury
is the nearest planet to Earth—and to every other planet in the solar system.
Why is Venus called the morning or evening star?
Why is Venus called “the Morning Star” or “the Evening Star?” Venus shines so brightly that
it is the first “star” to appear in the sky after the Sun sets
, or the last to disappear before the Sun rises. Its orbital position changes, thus causing it to appear at different times of the night throughout the year.
Which planet has the longest year?
Given its distance from the Sun,
Neptune
has the longest orbital period of any planet in the Solar System. As such, a year on Neptune is the longest of any planet, lasting the equivalent of 164.8 years (or 60,182 Earth days).
What planet is made of diamonds?
In 2012, scientists announced they had discovered an exoplanet twice the size of Earth believed to be made largely of diamond. Astronomers said the rocky planet, called
55 Cancri e
, was likely covered in graphite and diamond, rather than water and granite.
Does any planet have oxygen?
The planet HD 209458b is the first transiting planet discovered, the first extrasolar planet known to have an atmosphere, the first extrasolar planet observed to have an evaporating hydrogen atmosphere, and now the first extrasolar planet found to have an atmosphere containing oxygen and carbon.
Is there any planet that can support life?
Understanding planetary habitability is partly an extrapolation of the conditions on
Earth
, as this is the only planet known to support life.
What is the hottest planet?
Planetary surface temperatures tend to get colder the farther a planet is from the Sun.
Venus
is the exception, as its proximity to the Sun and dense atmosphere make it our solar system’s hottest planet.
