Planetary Science
Planetary Science is the study of Planets and the Solar System, a combination of Astronomy and Earth Sciences. Find questions about the different planets and more.
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asked The temperature of the moons surface varies greatly from day to night because the moon has what and said it was different from Where might whater be found on the moon 26 May 2012 13:15
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A star on "main sequence" is a period in a stars evolution. A white dwarf is a stellar remain A supergiant star is the size of a...
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it has existed since the beginning of life no one crated earth as far as we know it.
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Meteor showers
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duh, it depends how far you are from the sun. AKA, which side of the earth the moon is situated on!
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Of course, it orbits around it.
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Yes, there are many rocks that are orbiting the sun. Some examples of these rocks would be meteorites or asteroids that circle...
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There is no reason to call him a Dr. He held a degree, as a Doctor of Canon Law, but in the academic world, the title of 'doctor'...
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As long as you're on Earth, you will always see the same side of the moon. This is because the moon is tidally locked with the...
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The earth and moon must be in positions relative to the sun such that the moon's shadow falls on the earth's surface.
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Before Galileo observed that Jupiter had moons of its own, the prevailing theory in astronomy was that everything in the universe...
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Other planets other than earth is put in the solar system for humans to explore and do researches on them.
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They aren't rare at all. There are generally two solar eclipses and two lunar eclipses each year; rarely none, but sometimes as...
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It takes me no time at all since I already live there.
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Main sequence is a period in a stars life, whereas a red dwarf is a type of star.
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Jupiter (63), Saturn (62), Uranus (27), Neptune (13)
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Jupiter has approximately that surface gravity.
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See related questions.
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Yes. In the northern hemisphere, with the exception of one single dim object that may be seen with some difficulty, everything...
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It would be very hard to live on mars because there is a very weak atmosphere, and no ozone protection but scientist are trying...
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Yes and No. The magnitude of a star is based on how bright it is (luminosity) and how far away it is. So a small star close to...
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Saturn does. They are made up of mostly Ice, rock and dust particlesby the way ... Seriously?
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No. Venus is a planet (in orbit around the Sun) with no natural satelites.
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Venus is the 3rd brightest object in our sky
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no the red jiant is hotter
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It takes 84.01 earth years for Uranus to go around the sun once.
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the sun blocks our view of some stars. as the earth revolves further around the sun (over the course of a year), the stars that...
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The Earth moves along its orbit at about 30 kilometers per second. You can do your calculations based on that. (A day has 86400...
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By azimuthal quantum numbers.
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Generally older stars are towards the middle of a galaxy whereas younger stars are towards the edge.
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The Sun is the main basis for many stellar parameters. A far as luminosity goes - it is 1.
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Any body bigger than Earth should have a stronger gravitational pull, and vice versa. They do because of their larger size. The...
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Yes. Unfortunately, the oxygen easily available on Mars appears to be in the form of iron oxide, or "rust", which gives Mars its...
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A lunar eclipse (eclipse of the moon) can occur only at the time of the Full Moon. A solar eclipse (eclipse of the sun) can...
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It's some time between sunrise and Noon.
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While Saturn has spectacular rings that are easily visible with a home telescope, Jupiter's rings are far less obvious from...
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Honestly, I'm not qualified to answer this--it's beyond me, but now I'm keenly interested... (The best way to study for school is...
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23 million light-years.
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It does not turn or orbit. However you could be talking about the earths rotation (24 hours) or the earth's orbit of the sun...
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Earth is larger than the Moon. The diameter of Earth is about 4 times as large as the diameter of the Moon.
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There seems to only be one in our solar system. In between Mars and Jupiter.
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Aristarchus of Samos, a Greek mathematician and astronomer, was the first person (that we know of) to propose the idea that the...
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The revolution is simply the movement of the earth which brings about year rotation brings about night
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This is why religion needs to be exiled.... yes. there are Billions of galaxies. To many to even Fathom.
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Apart from providing navigational clues to those few who have the skill and the instruments, and a tiny, tiny bit of light during...
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Of course, there are countless planets in the galaxy, though nobody knows if any of them support life. Our solar system is only...
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One Astronomical Unit is the average distance between the Sun and the Earth, approximately 93,000,000 miles.
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Some scientists say it is because of global warming. global warming is caused by what is believed to be us polluting the...
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The moon is thought to have come from the earth after a collision with something quite large. Hence the answer is : part of the...
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The size of a star does not affect it's colour or temperature. The colour of a star is because of it's temperature. The hotter...
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Because people today are concious of what is going on in our world.. And that is because 2012 movie..2012 movie is so thrilling...
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The Earth has a diameter of 8825.25(12756.28 km) and a circumference of about 25000 miles (40000 km). The Sun has a diameter of...
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The "light" from the moon is reflected sunlight. The phases of the moon are a clue as to the location of the sun.
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No, because most of Venus' surface is covered with volcanoes of all shapes and sizes.
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Most galaxies move away from us - the farther they are from us, the faster they move away from us. This means that the Universe...
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Venus' period of revolution around the Sun is 224.7 days. Its period of rotation about its own axis is 243 days, retrograde.
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The answer is in the question. An orbiter orbits A lander lands. Basically an orbit will orbit the planet/moon while the lander...
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This is called the Lunar Month, and is approximately 28 days.
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Saturn
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Yes. The Local Group is the group of galaxies that are closest to us, and includes our own Milky Way.
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Just check Wikipedia and search list of craters or search moon 's craters on Google and it will bring you to the web site that...
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Nuclear fission. The process of converting 1 hydrogen atom into 4 Helium atoms.
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The Soviet Union launched a dog, Laika, into orbit in 1957.
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Approximately 3,600,600,000 miles.
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So far there are only 2 recognized as dwarf planets or "Plutoids" Pluto and Eris. Ceres which is in the asteroid belt between...
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Being the planet closest to the Sun, Mercury is the planet that travels fastest in its orbit, and the planet that completes an...
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Every other mass in the universe exerts a gravitational force on the Earth. Of all those other masses, there are two which are...
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The Sun is perhaps a little larger than the "average" star. The problem is that we don't know how many very small red dwarf and...
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Galileo Galilei
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No, it "crashed" on the surface of the moon on 11th October 1967.
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Its is the first time a planet has been named that has not used a Greek or Roman God or Goddesses name. MakeMake is from Rapa nui...
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the world revolves around sex and money. ther is a saying, there are only 2 problems in the whole world, 'SEX AND ECONOMICS"...
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In days gone by it was Pluto - but it has now been "down sized" to a dwarf planet.
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Europa, a moon of Jupiter - could have oceans of salt water. Titan, a moon of Saturn - could have oceans of liquid ammonia or...
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An eclipse does happen about once every two years which is quite often The reason that it does not happen more often is because...
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24 hours
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Many people have different opinions. A world egg is a mythological motif found in the creation myths of many cultures and...
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The sun is behind the moon, which causes it's shadow to fall on the earth.
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70 days to complete a mummy
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planets were named as discovered, so when the Greeks found them the were named with greek,
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Epsilon Ursae Minoris (Urodelus) is a triple star system in the constellation Ursa Minor. Epsilon Ursae Minoris A, is an...
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No. The link is between the planet's distance from its star and the period of its orbit.
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Copernicus. He did it in a book entitled "On the Revolutions of the Heavenly Spheres." Of course, Copernicus had completed his...
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