Previously answered questions by Karen Masters
(in order of times viewed)
- What's going to happen on December 21st 2012?
- What is a white hole?
- What is the largest star?
- How many Earths fit into the Sun?
- Is Pluto a planet?
- What would happen if we did not have a Moon?
- Why is a day divided into 24 hours?
- Why are there both high and low tides?
- What is the largest galaxy?
- How many known galaxies are there?
- How does the position of Moonrise and Moonset change?
- Is the Sun expanding? Will it ever explode?
- How can I find the star I have "bought"?
- When is the next comet due to arrive?
- What was there before the Big Bang and what is there outside of our universe?
- Why do airplanes take longer to fly West than East?
- How do stars move in the Galaxy?
- Does the Sun move around the Milky Way?
- What are the advantages and disadvantages of using a telescope in space?
- How much money is spent on space exploration?
- How much money do astronomers make?
- Does your weight change between the poles and the equator?
- What will happen to life on Earth when the Sun becomes a red giant?
- Where does the name "Milky Way" come from?
- Who has landed on the moon?
- What is the significance of the Tropic of Cancer, Tropic of Capricorn, Arctic Circle and Antarctic Circle?
- Why does the Earth tilt back and forward once a year?
- How are black holes made? Could one be made close to us?
- What would happen if the gravity on Earth was suddenly turned off?
- What are the "dog days of summer"?
- When can I see the Moon through the hole in the Pantheon?
- How often does the Sun pass through a spiral arm in the Milky Way?
- What would you see from inside a black hole?
- How is astronomy impacted by trigonometry?
- What are black holes made of?
- How did the stars get named?
- If the universe is infinite does that mean there is an infinite number of "me"s?
- Where does the name "Moon" come from?
- How do rockets move in space?
- Does quantum entanglement imply faster than light communication?
- Does the Mediterranean sea have tides?
- Can any galaxies be seen with the naked eye?
- What is the evidence supporting the nebula theory of Solar System formation?
- Why isn't the summer solstice the hottest day of the year?
- What is the origin of spiral structure in galaxies?
- Where, in relation to the entire universe, is the Milky Way located?
- What are the requirements for being a planet?
- How close was the Moon to the Earth when it formed?
- How can I find the distance to the Sun on any given day?
- How long does the supernova stage of a star last?
- Are there any asteroids on a collision course with Earth?
- Which constellation does our Sun belong to?
- Why does the Moon look big on the horizon?
- Would your weight change as you go underground?
- Where is the nearest black hole?
- Was the Sun made in a supernova?
- How do galaxies collide in an expanding universe?
- How is the time of sunrise calculated?
- Can I buy land on the Moon?
- Is the Moon hollow?
- Why is looking out into space the same as looking back in time?
- Is the Earth slowly getting larger?
- How do the astronauts communicate in space if sound cannot travel in a vacuum?
- What is the most distant known galaxy?
- Why are there stars?
- How would the weather on Earth be different if it were a cube?
- Does Mt. Everest cast a shadow on the moon?
- How many Astronauts have been in space?
- Are Kuiper Belt Objects asteroids? Are large Kuiper Belt Objects planets?
- What is the speed of gravity?
- How does night and day work?
- Is there really a 10th planet?
- How does Astronomy involve Chemistry?
- What is the typical size of a visible shooting star?
- What is Earthrise over the Moon?
- How many stars can I see?
- What is the best way to see the Milky Way?
- How much can the location of sunset differ from due West?
- Can a person go into a black hole and come out alive?
- What would happen to the Earth if an asteroid hit the Moon?
- Why do people draw stars with five points?
- How can I find my age on another planet?
- Why don't astronomers use everyday units to measure distances (what is an AU or a pc)?
- How can we estimate the number of Earth-like planets in the Galaxy?
- Does the Sun have an iron surface?
- Who came up with the name "black hole"?
- What would happen if two stars collided?
- What are quasars made of?
- Can a lunar and a solar eclipse happen in the same month? When will this happen next?
- Did the speed of light change over the history of the universe?
- Is there any limitation to what a black hole can "suck" in?
- What is dark matter?
- Could an astronaut or satellite fall into a black hole that we didn't know about?
- What are the closest and/or brightest stars?
- Did I see the Aurora Borealis as a child?
- What are the facts about the Star of Bethlehem?
- How can the universe be "flat"? We're 3D!
- Was I hit by a meteorite?
- How are galaxies named?
- How will the two black holes that are going to collide affect Earth?
- How can we know that there are other galaxies if we cannot leave ours?
- Why do we study black holes?
- Wouldn't the Big Bang theory be considered a hypothesis and not a theory?
- Do we know everything about the Sun?
- Is infinite temperature possible?
- Is there a project I can do on black holes?
- Could you tell me about the life cycle of galaxies?
- How do I explain to my children why the Moon has phases?
- Can "tired light theory" explain the observed redshifts of galaxies?
- What happens to the material that has been sucked into a black hole?
- What type of energy does a black hole have?
- What supernova created the Crab nebula?
- Was Stonehenge built to mark solar phenomena?
- What's so exciting about the new planet around 55 Cancri?
- How hot is each one of the layers of the sun?
- How different would the night sky have looked in 40,000 B.C.?
- How many sunspots can the Sun have at once?
- If we invented special suits could we ever go to the sun?
- Why is the shadow on the Moon the shape it is?
- Why is the Hubble Space Telescope in space?
- Can any comparison be made between spiral galaxies and hurricanes?
- What is the difference between homogeneity and isotropy?
- As the universe expands, why don't galaxies get stretched out?
- What happened to the girl who named Pluto?
- Why are telescopes kept in cold conditions?
- What month was it when Odysseus saw Orion in 1000BC?
- How do I become an astronomical artist?
- What is the solar cycle?
- Do galaxies orbit around anything?
- Will we discover an 11th planet? What would it be called?
- How are astronomy and poetry linked?
- How are supernovae discovered?
- What class of spiral galaxy is the Milky Way?
- What's new with the Big Bang?
- Could we send a manned mission to the outer planets?
- Where can I find information on the moons of other planets?
- Could photons be dark matter?
- Why can't relative velocities add up to more than the speed of light?
- How do astronomers come up with their facts?
- How do bars form in spiral galaxies?
- Why don't astronauts sublimate in space?
- Did the Sumerians measure precession?
- Why can we have solar eclipses?
- How do you classify galaxies?
- Where can I see Newton's original reflecting telescope?
- How do we find out about the star formation histories of galaxies?
- How does interferometry work?
- How can I watch the Perseid meteor shower?
- How can I find out if the new moon has been sighted?
- Is cosmic expansion happening on microscopic scales?
- Do constellations looks the same from space?
- Is light blueshifted when it is gravitationally lensed?
- Is it a coincidence that we can have total solar eclipses? Are there other planets which also have them?
- Why was Mir burnt up in the atmosphere?
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