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How does the number of craters on Phobos and Deimos suggest that these moons are very old?
Wiki User
∙ 9y ago
Phobos and Deimos are the two moons of Mars. They are small and shaped irregularly. The surfaces are scarred by many large impact craters. This is why the moons are extremely old.
Wiki User
∙ 9y ago
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The mass number minus the atomic number is?
The number of neutrons in the nucleus is not the answer its wrong trust me Mass number = neutrons + protons. Atomic number = protons. Trust yourself to work out the difference.
Every element has its own atomic number the atomic number is the number of what?
the atomic number represents the number of protons in an elements atoms
What is the atomic number of the nucleus?
The atomic number is the number of protons in a nucleus.
In a neutral atom is the number of protons equal to the number of electrons?
Yes. If the number is unequal, it is an ion.Yes that is correct. The atomic number is equal to the number of electrons which equals the number of protons
Is the subscript a small number written above a letter or number?
A subscript is a small number written below the number, whilst a superscript is written above the number. A superscript 2 is used to indicate a squared number.
What is the number observed moons in Mars?
Mars has two moons: Phobos and Deimos.
Mars number of moons?
mars has 2 moons, phobos and deimos, so uhhh yeah ur lucky im here to tell u, yeahh
What is the number of natural satellites Mars has?
Two natural satellites. Phobos and Deimos. There is as well three manmade satellites: Mars Reconnaissance Orbiter, 2001: Mars Odyssey and Mars Express.
Is there a connection between the mass of a planet and how many moons it has?
The mass of a planet has nothing to do with its number of moons. For instance, Mars' mass is much less than that of Earth, yet Mars has two moons (Deimos and Phobos) while the Earth has one. (Luna)
How many moons are around each planet?
Mercury- 0 Venus- 0 Earth- 1 Mars- 2 (Phobos and Deimos) Jupiter- 63 (number discovered so far) Saturn- 18 (number discovered so far) Uranus- 22 (as of 2002) Neptune- 13 (so far)
What can scientists discover by counting the number of craters on a surface?
Scientists can discover the relative age of two objects by counting the number of craters on their surfaces. The longer an object has been in space, the more craters it should have. Comparing the number of craters on two objects in space will determine which is older.
How many craters Earth?
There are a huge number of craters on the Earth, including very small impact sites. There are about 65 named and documented craters on the planet.
How many craters are altogether in mercury?
The total number is not known.
Does the planet Venus' have craters?
Venus has about 1,000 young craters, the biggest of which is Crater Mead, about 170 mile across. Oddly, there is no evidence on Venus of old craters like we see on the moon, Earth, and Mars. Somehow these old craters were smoothed over on Venus . . . by lava flow?? By high winds??
Do mars has moons rings or other features such as volcanoes craters mountains storms or marks on mars?
Mars has two moons, a number of volcanoes, impact craters, mountains, and dust storms. It does not have rings.
What is the relationship between the number of craters and the thickness of a planet's atmosphere?
The thinner the atmosphere, the more craters the planet has. Planets with thicker atmospheres burn up most asteroids before they hit the ground.
What constellation was named after Artemis?
None - However she is acknowledged as a minor planet and a number of craters on Venus.
