Ask an Astronomer Team

Karen Masters

Karen was a graduate student at Cornell from 2000-2005. She went on to work as a researcher in galaxy redshift surveys at Harvard University, and is now on the Faculty at the University of Portsmouth back in her home country of the UK. Her research lately has focused on using the morphology of galaxies to give clues to their formation and evolution. She is the Project Scientist for the Galaxy Zoo project.

Twitter:  @KarenLMasters
Website:  http://icg.port.ac.uk/~mastersk/

Display # 
Title Created Date Hits
Is it a coincidence that we can have total solar eclipses? Are there other planets which also have them? (Intermediate) Dec 06 61888
Do constellations looks the same from space? (Beginner) Dec 06 57708
How can the universe be "flat"? We're 3D! (Beginner) Dec 06 101831
What is the best way to see the Milky Way? (Intermediate) Nov 06 69390
How can I find the star I have "bought"? (Beginner) Jun 06 253651
Will we discover an 11th planet? What would it be called? (Beginner) May 06 57987
Why is a day divided into 24 hours? (Intermediate) Apr 06 303380
When can I see the Moon through the hole in the Pantheon? (Intermediate) Jan 06 96975
What's going to happen on December 21st 2012? (Intermediate) Jan 06 2218599
How much money is spent on space exploration? (Intermediate) Nov 05 331495
How do I explain to my children why the Moon has phases? (Beginner) Oct 05 60610
What is the most distant known galaxy? (Beginner) Sep 05 65142
How much can the location of sunset differ from due West? (Intermediate) Jun 05 92608
How many Astronauts have been in space? (Beginner) May 05 61509
How do the astronauts communicate in space if sound cannot travel in a vacuum? (Beginner) Jan 05 165208
Why does the Earth tilt back and forward once a year? (Beginner) Dec 04 130677
Why do people draw stars with five points? (Intermediate) Nov 04 82147
Is there a project I can do on black holes? (Intermediate) Nov 04 56850
As the universe expands, why don't galaxies get stretched out? (Intermediate) Oct 04 55697
How does the position of Moonrise and Moonset change? (Intermediate) Oct 04 474668
How does Astronomy involve Chemistry? (Intermediate) Sep 04 85186
How is the time of sunrise calculated? (Intermediate) Jun 04 108096
Are there any asteroids on a collision course with Earth? (Beginner) Apr 04 135598
Does Mt. Everest cast a shadow on the moon? (Intermediate) Mar 04 74262
Does quantum entanglement imply faster than light communication? (Intermediate) Mar 04 172597
What is the evidence supporting the nebula theory of Solar System formation? (Intermediate) Jan 04 238081
Can any galaxies be seen with the naked eye? (Beginner) Dec 03 122871
What happened to the girl who named Pluto? (Intermediate) Nov 03 53022
How can I find the distance to the Sun on any given day? (Advanced) Oct 03 120418
Does the Mediterranean sea have tides? (Intermediate) Sep 03 170477
How many stars can I see? (Beginner) Jun 03 57356
Would your weight change as you go underground? (Advanced) Jun 03 98643
Why do airplanes take longer to fly West than East? (Intermediate) Feb 03 518981
Who came up with the name "black hole"? (Beginner) Feb 03 69130
Could photons be dark matter? (Intermediate) Jan 03 44458
How would the weather on Earth be different if it were a cube? (Intermediate) Dec 02 71605
How can we estimate the number of Earth-like planets in the Galaxy? (Intermediate) Dec 02 61099
How will the two black holes that are going to collide affect Earth? (Beginner) Nov 02 55096
How often does the Sun pass through a spiral arm in the Milky Way? (Intermediate) Nov 02 119711
Can I buy land on the Moon? (Intermediate) Nov 02 68055
What would happen if two stars collided? (Intermediate) Nov 02 67586
What is the largest galaxy? (Beginner) Nov 02 153754
How are supernovae discovered? (Intermediate) Nov 02 44961
What would you see from inside a black hole? (Intermediate) Oct 02 120945
Can "tired light theory" explain the observed redshifts of galaxies? (Intermediate) Oct 02 59108
Did the speed of light change over the history of the universe? (Intermediate) Oct 02 64039
How do I become an astronomical artist? (Intermediate) Oct 02 46357
What was there before the Big Bang and what is there outside of our universe? (Beginner) Oct 02 153111
Does your weight change between the poles and the equator? (Intermediate) Oct 02 319581
What is the speed of gravity? (Intermediate) Sep 02 60944
Did the Sumerians measure precession? (Intermediate) Sep 02 49462
How different would the night sky have looked in 40,000 B.C.? (Intermediate) Sep 02 61260
Is the Sun expanding? Will it ever explode? (Beginner) Sep 02 188680
How do stars move in the Galaxy? (Intermediate) Sep 02 204223
Is light blueshifted when it is gravitationally lensed? (Intermediate) Sep 02 46440
Could we send a crewed mission to the outer planets? (Intermediate) Aug 02 60662
How can I watch the Perseid meteor shower? (Beginner) Aug 02 47916
What is the largest star? (Beginner) Jul 02 270845
Is infinite temperature possible? (Intermediate) Jul 02 54537
Why can't relative velocities add up to more than the speed of light? (Intermediate) Jul 02 49608
Why can we have solar eclipses? (Beginner) Jul 02 46909
Why are there both high and low tides? (Intermediate) Jul 02 175644
If the universe is infinite does that mean there is an infinite number of "me"s? (Intermediate) Jul 02 166801
Where, in relation to the entire universe, is the Milky Way located? (Intermediate) Jul 02 115667
How can we know that there are other galaxies if we cannot leave ours? (Beginner) Jun 02 71667
Is there any limitation to what a black hole can "suck" in? (Intermediate) Jun 02 55585
Can any comparison be made between spiral galaxies and hurricanes? (Intermediate) Jun 02 58360
What happens to the material that has been sucked into a black hole? (Intermediate) Jun 02 47586
Why are there stars? (Beginner) May 02 99016
Was the Sun made in a supernova? (Intermediate) May 02 76648
How do galaxies collide in an expanding universe? (Intermediate) Apr 02 83018
How do we find out about the star formation histories of galaxies? (Intermediate) Apr 02 43108
How is astronomy impacted by trigonometry? (Intermediate) Apr 02 123931
What are the closest and/or brightest stars? (Beginner) Mar 02 57396
What is the solar cycle? (Beginner) Mar 02 51538
How does interferometry work? (Intermediate) Mar 02 41061
How can I find out if the new moon has been sighted? (Intermediate) Mar 02 43890
What are the advantages and disadvantages of using a telescope in space? (Intermediate) Feb 02 274010
Was I hit by a meteorite? (Intermediate) Feb 02 50863
Where is the nearest black hole? (Intermediate) Feb 02 101957
How do astronomers come up with their facts? (Beginner) Feb 02 40830
Can a lunar and a solar eclipse happen in the same month? When will this happen next? (Intermediate) Feb 02 82501
What would happen if the gravity on Earth was suddenly turned off? (Beginner) Jan 02 292824
What is Earthrise over the Moon? (Intermediate) Jan 02 63081
How did the stars get named? (Intermediate) Jan 02 130975
What is a white hole? (Advanced) Jan 02 348777
What are the facts about the Star of Bethlehem? (Intermediate) Dec 01 52305
Is the Moon hollow? (Intermediate) Dec 01 65056
Could an astronaut or satellite fall into a black hole that we didn't know about? (Beginner) Nov 01 50991
What type of energy does a black hole have? (Intermediate) Nov 01 51586
What is the difference between homogeneity and isotropy? (Advanced) Nov 01 63753
How many Earths fit into the Sun? (Beginner) Oct 01 245620
How are astronomy and poetry linked? (Intermediate) Oct 01 46739
Why don't astronauts sublimate in space? (Advanced) Aug 01 44584
Is the Earth slowly getting larger? (Beginner) Aug 01 97256
Why don't astronomers use everyday units to measure distances (what is an AU or a pc)? (Intermediate) Aug 01 71535
Does the Sun move around the Milky Way? (Intermediate) Jul 01 140662
How does night and day work? (Beginner) Jun 01 96525
What supernova created the Crab nebula? (Intermediate) May 01 50612
Can a person go into a black hole and come out alive? (Beginner) Apr 01 70419
What is the typical size of a visible shooting star? (Intermediate) Apr 01 72326
Why do we study black holes? (Beginner) Apr 01 75583
Wouldn't the Big Bang theory be considered a hypothesis and not a theory? (Intermediate) Apr 01 83494
Where does the name "Milky Way" come from? (Beginner) Mar 01 111596
Why was Mir burned up in the atmosphere? (Intermediate) Mar 01 33989
Why is looking out into space the same as looking back in time? (Beginner) Mar 01 268599
What class of spiral galaxy is the Milky Way? (Intermediate) Mar 01 47100
Was Stonehenge built to mark solar phenomena? (Intermediate) Feb 01 45696
When is the next comet due to arrive? (Beginner) Feb 01 146309
What month was it when Odysseus saw Orion in 1000BC? (Advanced) Feb 01 49767
Where can I see Newton's original reflecting telescope? (Beginner) Feb 01 43096
What is dark matter? (Beginner) Feb 01 53871
What are quasars made of? (Beginner) Jan 01 62664
How can I find my age on another planet? (Beginner) Dec 00 73555
Could you tell me about the life cycle of galaxies? (Intermediate) Nov 00 64475
How are galaxies named? (Beginner) Nov 00 59677
How many known galaxies are there? (Intermediate) Nov 00 149064
Do galaxies orbit around anything? (Intermediate) Nov 00 53266
How are black holes made? Could one be made close to us? (Beginner) Nov 00 115264
Why is the shadow on the Moon the shape it is? (Beginner) Nov 00 76495
How do you classify galaxies? (Intermediate) Nov 00 41069
How do rockets move in space? (Beginner) Nov 00 144345
What would happen to the Earth if an asteroid hit the Moon? (Intermediate) Oct 00 93935
What would happen if we did not have a Moon? (Intermediate) Oct 00 272953
Where can I find information on the moons of other planets? (Intermediate) Oct 00 39291
How many sunspots can the Sun have at once? (Beginner) Oct 00 53976
Why are telescopes kept in cold conditions? (Beginner) Oct 00 47693
How hot is each one of the layers of the sun? (Beginner) Oct 00 80666
Do we know everything about the Sun? (Beginner) Oct 00 53771
If we invented special suits could we ever go to the sun? (Beginner) Oct 00 54160
Why is the Hubble Space Telescope in space? (Beginner) Oct 00 48357
Where does the name "Moon" come from? (Beginner) Oct 00 113381
Is cosmic expansion happening on microscopic scales? (Advanced) Jan 99 40611

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