Astronomy
The scientific study of celestial bodies. Find questions on Constellations, Planets and more.
Total questions 118400
Techie2013 (supervisor) [168]
removed How cold are each moon from Astronomy 16 minutes ago
Techie2013 (supervisor) [168]
unflagged How cold are each moon 16 minutes ago
Techie2013 (supervisor) [168]
removed the answer of How cold are each moon 16 minutes ago
ID0411052843
asked Why does a eclipse happen and said it was different from Why doesn't an eclipse happen often 30 minutes ago
a lot
Popularity: 11 • Tools: Recategorize
A Solar Eclipse!!
Popularity: 11 • Tools: Recategorize
A meteor shower gets its name from the constellation it appears to emanate from. The meteors of course do not originate in the...
Popularity: 10 • Tools: Recategorize
Globular Cluster.
Popularity: 10 • Tools: Recategorize
One year, or approximately 365.25 solar days (the Julian year). The Earth orbits the sun counterclockwise as seen from the...
Popularity: 10 • Tools: Recategorize
According to NASA, space begins about 100 km above the surface of the earth, where the atmosphere is considered to be null. The...
Popularity: 10 • Tools: Recategorize
california would probly see a full moon to because the sun hits the moon in the same spot everywhere
Popularity: 10 • Tools: Recategorize
Forever because the "Pegasus galaxy" is a fictional galaxy in some sci-fi Stargate story. However, it's location is based on a...
Popularity: 10 • Tools: Recategorize
it rotates,but we only see portion of the rotation
Popularity: 10 • Tools: Recategorize
Increasing is "Waxing". Decreasing is "Waning".
Popularity: 10 • Tools: Recategorize
The moon has no atmosphre- how is this important? this simple means that the moon experiences no form of erosion(agents of...
Popularity: 10 • Tools: Recategorize
NITROGEN, N2 , ABOUT 78% See the Related Questions link for more information about the composition of the Earth's atmosphere.
Popularity: 10 • Tools: Recategorize
Air contains about 20.95% oxygen at sea level. The remainder is 78% nitrogen 0.93% argon, 0.038% carbon dioxide, trace amounts...
Popularity: 10 • Tools: Recategorize
"The International Astronomical Union (IAU) is the major body recognized by astronomers worldwide (formed in 1919), and perhaps...
Popularity: 10 • Tools: Recategorize
A star is a massive sphere of plasma compressed to incredible heat and pressure by gravity. Stars are made mostly of hydrogen,...
Popularity: 10 • Tools: Recategorize
The moon is pretty much the only astromical object (except earth) a person can look at and see detail on without some optical aid.
Popularity: 10 • Tools: Recategorize
Perhaps "complete vacuum" or "hard vacuum" or the "vacuum of deep space" will suffice. Even in the vast "nothingness" between...
Popularity: 10 • Tools: Recategorize
AnswerI don't think magnetism is affected by glass.Edit:Magnetic field are unaffected by glass. Magnets and electrical fields in...
Popularity: 10 • Tools: Recategorize
As of November 2009, astronomers had listed 3,648 known comets (580 unclassified). This is a small fraction of the number that...
Popularity: 10 • Tools: Recategorize
A pulsar is a hightly magnetized neutron star that generates a "beam" (or "flashlight beam) of detectable electromagnetic...
Popularity: 10 • Tools: Recategorize
No there is no Air in space therefore sound cannot travel. Sound cannot travel through a vacum.
Popularity: 10 • Tools: Recategorize
A Lunar eclipse
Popularity: 10 • Tools: Recategorize
the star that is the centre of our planetary system is the sun. it gives us the necesary light and it provides the vital sunlight...
Popularity: 10 • Tools: Recategorize
Big Bang is a cosmological model of the initial conditions and subsequent development of the universe. It is supported by the...
Popularity: 10 • Tools: Recategorize
Super-Earth was discovered by John Travolta and Olivia Newton John sometime in the 1990s while they were filming the movie...
Popularity: 10 • Tools: Recategorize
The answer is right there in your question. "Light year" is the distance that light travels through space in one year. In one...
Popularity: 10 • Tools: Recategorize
The earth orbits the sun at 67,062 miles per hour.
Popularity: 10 • Tools: Recategorize
No. The moon looks bright to us due to it's reflection of rays of light from the sun.
Popularity: 10 • Tools: Recategorize
asteroid meteorites bolide
Popularity: 10 • Tools: Recategorize
A solar year is the time that it takes the earth to complete one cycle around the sun. A calendar year is 365 days, or 366 in...
Popularity: 10 • Tools: Recategorize
Gosh, the difference is remarkable! Sirius is actually a binary star! Two stars that are in close orbit and look like one light...
Popularity: 10 • Tools: Recategorize
Closest star is Alpha Proxima. Approx. 4 light years away. Ummm, it wouldn't help if the sun went out.
Popularity: 10 • Tools: Recategorize
In a car travelling 140 km/h it would take you 123 years. A space shuttle going at ~288000 km/h would take you about a month.
Popularity: 10 • Tools: Recategorize
The word astronomy literally translates to "law of the stars". The word "nomos" which is translated as "law" means law,...
Popularity: 10 • Tools: Recategorize
Sirius is a binary star system Sirius A is about 1.7 times larger than our Sun Sirius B is about 0.0084 times the size of the...
Popularity: 10 • Tools: Recategorize
There is no question that there are many "human" needs that are being short-changed. But there is value to very many worth-while...
Popularity: 10 • Tools: Recategorize
Stars are formed when elevation gass escapes the sun. They will then catch heat from planets, the planets orbit will then place...
Popularity: 10 • Tools: Recategorize
Outer space technology(satellite,man at the moon) *Cell phone *faster airplanes *Smooth Weapon
Popularity: 10 • Tools: Recategorize
Yes it is. Our own Sun is just one of billions of stars in the galaxy called the Milky Way and the Milky Way is just one galaxy...
Popularity: 10 • Tools: Recategorize
The moon has to be exactly lined up between you and the sun to cast its shadow on you but most of the time it is too high or low....
Popularity: 10 • Tools: Recategorize
Actually the Earth was formed 4.5 billion years ago, along with scientific research. There is no proof what so ever that any...
Popularity: 10 • Tools: Recategorize
149 597 870.691 km. is the mean distance between the Earth and the Sun. This translates into about one astronomical unit. The...
Popularity: 10 • Tools: Recategorize
twice as much
Popularity: 10 • Tools: Recategorize
There are two reasons. The first is that the Earth rotates on it's axis while the moon remains relatively still. As you know, it...
Popularity: 10 • Tools: Recategorize
The moon is a satellite of the Earth.
Popularity: 10 • Tools: Recategorize
studyisland Answer radiation
Popularity: 10 • Tools: Recategorize
An angstrom = 1 x 10-10 meters A nanometer = 1 x 10-9 meters you can see that a nanometer is ten times larger than an angstrom,...
Popularity: 10 • Tools: Recategorize
Over the next twenty years there will be a total of 17 blue moons, with an almost equal number of both types of blue moons...
Popularity: 10 • Tools: Recategorize
Red sky in morn, sailors take warn. Red sky at night, sailors delight. This means that because the earth rotates towards the...
Popularity: 10 • Tools: Recategorize
however much a fat person breathes out
Popularity: 10 • Tools: Recategorize
A revolution: The Earth revolves in an elliptical (oval) orbit around the Sun. This orbit is planetary; the Sun is a star, and a...
Popularity: 10 • Tools: Recategorize
An American team found the world's biggest meteor crater almost two kilometres deepunder the Wilkes Land region of Antarctica,...
Popularity: 10 • Tools: Recategorize
Popularity: 10 • Tools: Recategorize
From new moon phase to full moon phase you see: You see the moon phrases waxing crescent, first quarter(or half moon), waxing...
Popularity: 10 • Tools: Recategorize
Mars is the planet in our solar system most similar to Earth.
Popularity: 10 • Tools: Recategorize
Our solar system's "asteroid belt" (Main Belt) is a belt of small, widely-scattered asteroids between Mars and Jupiter, where the...
Popularity: 10 • Tools: Recategorize
The only thing known is that the singularity was subatomic. All singularities are infinitely small. That is, they have zero...
Popularity: 10 • Tools: Recategorize
MercuryIn this solar system, that would be Mercury at about 88 Earth days. There have been planets discovered around other stars...
Popularity: 10 • Tools: Recategorize
A protosun is a sun (star) that is still forming. It takes millions of years of solar winds and gravitational forces to gather...
Popularity: 10 • Tools: Recategorize
The first record of rocket use was by the Chinese, shortly after gunpowder was discovered in China.
Popularity: 10 • Tools: Recategorize
Sputnik-1 was launched on 4 October 1957.
Popularity: 10 • Tools: Recategorize
AnswerWait... is the full moon the one that's all white or is that the new moon? Anyways, even if its all black I'm pretty sure...
Popularity: 10 • Tools: Recategorize
As far as scientific theory suggests, the Big Bang did happen about 13.7 billion years ago. See related question. NO!!! of...
Popularity: 10 • Tools: Recategorize
AnswerThere is a great deal of evidence starting with the observations that inspired it. Present indications are that the...
Popularity: 10 • Tools: Recategorize
they are all theories that look good on paper, but are difficult to demonstrate in practice.
Popularity: 10 • Tools: Recategorize
The sun is a renewable resource. Solar power keeps on coming no matter how much we use it. This is why we have to quickly devise...
Popularity: 10 • Tools: Recategorize
Just one, gravity. It pulled it's mass together and gave it it's round chape. Oh, and the impact of the asteroids poc-marking...
Popularity: 10 • Tools: Recategorize
Anywhere in the world after sunset, just look into the night sky when there is no cloud cover. The best time is in the winter.
Popularity: 10 • Tools: Recategorize
Quarks make up protons and neutrons, but, unlike protons and neutrons, quarks are not composed of any smaller particles. They are...
Popularity: 10 • Tools: Recategorize
1. To look at very distant objects 2. To break windows 3. To hammer nails 4. As a paperweight 5. As a baseball bat 6. As a...
Popularity: 10 • Tools: Recategorize
The earth spinning around on it axis one side is facing the sun which is day time while the other side is not facing the sun is...
Popularity: 10 • Tools: Recategorize
Space contains multiple Universe which shrinks and expands. Means that Space has multiple BigBang and Universes. (This point of...
Popularity: 10 • Tools: Recategorize
AnswerThe tilt of the axis gives us the seasons. If the axis were vertical, the sun would be overhead at the equator and we would...
Popularity: 10 • Tools: Recategorize
The moon revolves around the earth in 28 days
Popularity: 10 • Tools: Recategorize
By not throwing them away at escape velocity (about 2.38 km per second). The moon's gravity will pull the things back; they will...
Popularity: 10 • Tools: Recategorize
No one knows if there even is water on the moon
Popularity: 10 • Tools: Recategorize
The Sun is at the centre of the Solar System. well everyone says that but its not true the right answer is a black whole UHUM.....
Popularity: 10 • Tools: Recategorize
Most would call the object so described a star.
Popularity: 10 • Tools: Recategorize
Time travel is not possible, the future does not exist to be traveled to. So this would only happen in fiction, sorry. ok then...
Popularity: 10 • Tools: Recategorize
Microwaves play a huge role in space exploration and technology. There is almost nothing in outer space to block or absorb...
Popularity: 10 • Tools: Recategorize
The farthest (visible) star from earth is s Carinae, at 3600 PC, or about 200 light years.The actual farthest star is not visible...
Popularity: 10 • Tools: Recategorize
About 300 billion. And there are at least around 30 billion galaxies around the same size - do a google image search for "hubble...
Popularity: 10 • Tools: Recategorize
5,820.8 kilometres (3,616.89 miles)
Popularity: 10 • Tools: Recategorize
Yes, it does. You can watch night and day unfold on the side of the moon that we can see, as you watch the monthly phases.Yes. A...
Popularity: 10 • Tools: Recategorize
Well any dramatic, sudden change would destroy most life on earth, but a slow, gradual change life can cope with. Many species...
Popularity: 10 • Tools: Recategorize
One way is to multiply earth's radius by 2 pi. Earth's radius is 6378 km. That multiplied by 2 pi is 40,074 km.Another way is to...
Popularity: 10 • Tools: Recategorize
Basalts and impact created breccias.
Popularity: 10 • Tools: Recategorize
Newton thought it did, Einstein said the idea that matter reaches out into space and pulls things toward it was rediculous, and...
Popularity: 10 • Tools: Recategorize
If you get up early enough, or stay up late enough, you can see Scorpius as early as middle to late January just before sunrise...
Popularity: 10 • Tools: Recategorize
The sun, and our entire Solar system is all in the same galaxy called the Milky Way. Even the northstar ( Polaris ), which is 2.5...
Popularity: 10 • Tools: Recategorize
In the US Eastern time zone, 9 PM: The moon was a few days away from being full; it was at 60% full, with a sun-object angle of...
Popularity: 10 • Tools: Recategorize
The Earth takes 365.256366 days to orbit the Sun at 107,218 kph. This equates to a distance of 939,889,368 kilometers or...
Popularity: 9 • Tools: Recategorize