Astronomy

The Milky Way (as well as other galaxies) rotates way too fast for the amount of known matter. Answer2: Dark matter is suggested...

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Because dwarf stars aren't very bright. They are too SMALL to be especially bright, for one thing.

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Polaris is a not the brightest star in the sky, but that is because we are very far away from it. If you were to visit Polaris,...

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Officially: 17,987,547,480 Easier to remember, in case you ever need it: 18 billion . (That's 18 million kilometers.)

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Anywhere on the surface of the sun.

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it has a smaller radius

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Probably there were more meteors at that time. Eventually, many of them coalesced into larger bodies - planets and planetoids.

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If you start walking right now, you can walk for the rest of your life and never get off the Earth. And no spacecraft currently...

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From about 1:30 to 5:00 AM Central time, Tuesday morning, December 21, 2010.

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Depending on your time zone, the total lunar eclipse will begin either every early the morning on Tuesday, December 21, or very...

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Depending on your vision and where you live (in a bright city or in a dark-sky rural area?) the number of visible stars ranges...

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There are dozens of scientific research satellites. You must be more specific.

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Because they are so far away.(The moon ... the closest natural body to Earth ... is moving in its orbit at something like 2,300...

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Terrestrial telescopes are generally manned, while space telescopes are unmanned. However, to a greater and greater extent, the...

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Unfortunately, they are too distant to be seen with the naked eye, or even most telescopes.

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Not in even the slightest degree.

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Most meteorites that reach us are probably part of the Solar System, so yes.

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Sure - the two attract each other. In the case of a double star - as Sirius A and Sirius B - both revolve around their common...

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You need to know the mass, and the percentage of hydrogen and helium in the star.

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In theory time inside the vehicle would go on as usual, the occupants would notice no difference. The vehicle is traveling at...

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Revolution.

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meteorite

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AnswerAs far as I know, from our perspective of space, there is no known limits, though there are limits to our perspective. You...

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Space is not entirely empty and so is not a total or perfect vacuum, but it is as close to a vacuum as makes any difference....

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Polaris (also known as the North Star, Northern Star or Pole Star) is the brightest star in the constellation Ursa Minor. It is...

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The answer is Waning Moon

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Well, if the universe is expanding, as many believe, then the answer to that question changes all the time. :) this would mean...

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Many. Here is a list for you. http://www.astromax.com/con-page/con-sth.htm

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That's just the way it works out. _________________ In cases like this, the question "why" isn't the best question. It is...

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We keep an eye on it and hope that it will miss us. Apart from that, there isn't much that we can do. Despite what is seen in...

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7.38

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See related link for a full list.

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By the shape or creature they represented or were closely related with.

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The earth moves at about 67,000 miles per hour around the sun and rotates over 1000 miles per hour. ____________ The Earth's...

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Day and night are caused by the rotation of the Earth: when you're on the side away from the Sun, that's night; when you're on...

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Assuming beyond our galaxy, is space and Billions of other Galaxys....

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They are usually an ellipse, which is a regular oval shape.

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You can look up 'Spruce Goose' to see if it still holds that record.

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The Hubble Space Telescope is the most powerful in terms of capability because it doesn't have to see through the atmosphere. The...

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The universe is probably finite and unbounded. A sphere's surface is finite and unbounded. You can travel along the surface of...

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We are located in a region that is near the outermost portion of one of the two spiral arms.

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The word universe meaning all (or all as one(uni=1)) is everything around us. Impossibly big to imagine, this is all the galaxies...

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There have been 6, each with 2 astronauts. They were Apollos 11, 12, 14, 15, 16 and 17 between 1969 and 1972 when the programme...

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AnswerMostly "HYDROGEN GAS"The main theory that describes the formation of the universe is the 'big bang' theory. It suggests...

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It takes about 200 million years for our solar system to revolve around the center of our Milky Way. It takes the earth 365.242...

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Time could affect matter but matter could not affect time. Example: By 2050 65% percent of polar bears will be extinct because of...

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There has never been a confirmed encounter with extraterrestrial life, unless you count Elliot from the 1982 movie E.T.

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Our Sun is an "average" sized star. Although it seems big to us, this is only because it is the closest to us. The largest star...

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There is no other side.Universe itself carrying its uncountable amount of stars,planets,nebulafs,matters,space,blackholes etcs is...

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no stars move. its the earth spinning that makes it look like they more. the north star is directly abouve us so it doenst appear...

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A solar system is a collection of objects that orbit a star or group of stars. In most solar systems, a central star (or stars,...

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29 Days :]

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The main reason people are asking about 2012 in particular has to do with a piece of Mayan mythology which even the ancient...

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Light travels at about 186,000 miles/second... If the mirror is 3 ft away, the light has to travel 6 ft... you do the math.

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Yes one can reach greater than mach one in free fall from the stratosphere. Acceleration of gravity is about 32 ft. /sec^^2 and...

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That is a great question, but a better one (related) is why do we have any moon at all? Our giant neighbors can grab passing...

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Both the rotation of the Moon and its revolution around Earth takes 27 days, 7 hours, and 43 minutes. This is why we always see...

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Because although the universe is expanding, the galaxies within it are grouped into clusters. These clusters are still under the...

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The numbers vary among estimates, but there are between 2100 to 2200 functioning artificial satellites in Earth orbit. Russia has...

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AnswerIf we had no moon the Earth would be unstable and would wobble on its axis, the moon's gravitational pull helps the earth...

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Because he is destroying his eyes.

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At thermodynamic equilibrium the dynamic processes for changes in a system have reached a steady state (not changing with time)...

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Johannes Kepler

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it would be helpful if u send the law with it because i don't happen to know them in order

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Constellations were drawn up by the ancients, and their use was continued for astrology. Later on, the arrangements were used to...

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The equinox occurs two times every year. It is actually a single moment, and not a night or day and night in length. Imagine the...

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Edwin Hubble has been given most of the credit for figuring out that the Doppler redshift from faraway galaxies means that they...

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There's no one scientist who is simply the "smartest". There are leaders in various different fields but no number one per se....

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The Sun is about 75% Hydrogen, 23% Helium, and the remaining 2% is a mixture of other things like Oxygen and Carbon.

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the moon rotates around its axis in 27.3 days.

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The closest star to us is the sun.

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The Earth's temp will approach near absolute zero and will become so cold that the atmosphere will solidify and will fall to the...

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Its a non living thing it does not have feelings

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The moon is round because of gravity. Gravity pulls every bit of the moon together towards every other bit of the moon, crushing...

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Our Sun may look big to us and it is. It is about 109 times larger than Earth However, in comparison to other stars, our Sun is...

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That depends where you are in the world. In the Southern Hemisphere, it rises slightly to the south of east. In the Northern...

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Borealis is near the North Pole. Australis is near the South pole.

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Nothing; it's weightless.

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Relativity. If we are able to observe some object in the outer space which is visibly bigger than the Earth, not like Sun (which...

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The Aurora Australis in the southern hemisphere, (and Aurora Borealis in the northern hemisphere) are magnificent displays of...

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Yes, because they are strapped in the shuttle 3 hrs. before lift off and their position in the shuttle makes them have to pee....

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Earth's shadow falls on the moon. The Earth is actually passing between the Sun and the Moon, blocking the sunlight that would...

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There is no oxygen in space, so you cant breath.

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We would experience no seasons, the days lengths will always be the same and the sun would appear to always follow the same path...

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because they are so opposite, one is cold the other is hot. They are not six months apart. If that were true, they would each be...

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Sunrise (and moonrise) is when the leading edge of the sun just breaks the horizon, and sunset is when the trailing edge of the...

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Polaris, the 'North Star', which never sets, and indicates the direction of north. Polaris is the last star in the handle of the...

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Clouds can differ colours when the temperature changes in the air.

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Constellations

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Paralax. Check the spelling! in astronomy it is parallax. yes that is how you spell it...

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I think this question is profound; there are mysteries locked inside. It seems to take long from our point of view when we learn...

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According to the Big Bang theory, the Big Bang is the very beginning of our universe. It's not possible at our current level of...

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It is yellow, like snowcones. made upof helium and hydrogen mainly,surface is mainly frozen methane

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The celestial equator is the imaginary projection of Earth's own equator out through space onto the "sphere" of the night sky. ...

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For comparison, light from the sun takes 8.333 minutes. Proxima Centauri is next at 4.2 light years from the Earth

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There is no such thing as a space day. If you mean "star date", I don't know what the actual chronology of star trek is, but it...

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We send up Bruce with his big drill! :PSeriously though, most of them burn up in the earth's atmosphere. And if they survive the...

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The Kuiper (pronounced "KY-per") belt is a vast region beyond the orbit of Neptune (at about 30 AU) and reaching out to about 55...

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