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 58833
Do constellations looks the same from space? (Beginner) Dec 06 54828
How can the universe be "flat"? We're 3D! (Beginner) Dec 06 96625
What is the best way to see the Milky Way? (Intermediate) Nov 06 67487
How can I find the star I have "bought"? (Beginner) Jun 06 245188
Will we discover an 11th planet? What would it be called? (Beginner) May 06 55296
Why is a day divided into 24 hours? (Intermediate) Apr 06 296996
When can I see the Moon through the hole in the Pantheon? (Intermediate) Jan 06 94276
What's going to happen on December 21st 2012? (Intermediate) Jan 06 2212291
How much money is spent on space exploration? (Intermediate) Nov 05 322097
How do I explain to my children why the Moon has phases? (Beginner) Oct 05 57742
What is the most distant known galaxy? (Beginner) Sep 05 63263
How much can the location of sunset differ from due West? (Intermediate) Jun 05 87431
How many Astronauts have been in space? (Beginner) May 05 59812
How do the astronauts communicate in space if sound cannot travel in a vacuum? (Beginner) Jan 05 154423
Why does the Earth tilt back and forward once a year? (Beginner) Dec 04 125138
Why do people draw stars with five points? (Intermediate) Nov 04 78320
Is there a project I can do on black holes? (Intermediate) Nov 04 54592
As the universe expands, why don't galaxies get stretched out? (Intermediate) Oct 04 52368
How does the position of Moonrise and Moonset change? (Intermediate) Oct 04 447506
How does Astronomy involve Chemistry? (Intermediate) Sep 04 81083
How is the time of sunrise calculated? (Intermediate) Jun 04 100574
Are there any asteroids on a collision course with Earth? (Beginner) Apr 04 128525
Does Mt. Everest cast a shadow on the moon? (Intermediate) Mar 04 71497
Does quantum entanglement imply faster than light communication? (Intermediate) Mar 04 164066
What is the evidence supporting the nebula theory of Solar System formation? (Intermediate) Jan 04 223072
Can any galaxies be seen with the naked eye? (Beginner) Dec 03 117247
What happened to the girl who named Pluto? (Intermediate) Nov 03 50898
How can I find the distance to the Sun on any given day? (Advanced) Oct 03 114012
Does the Mediterranean sea have tides? (Intermediate) Sep 03 156679
How many stars can I see? (Beginner) Jun 03 55797
Would your weight change as you go underground? (Advanced) Jun 03 93670
Why do airplanes take longer to fly West than East? (Intermediate) Feb 03 483740
Who came up with the name "black hole"? (Beginner) Feb 03 66385
Could photons be dark matter? (Intermediate) Jan 03 42349
How would the weather on Earth be different if it were a cube? (Intermediate) Dec 02 69099
How can we estimate the number of Earth-like planets in the Galaxy? (Intermediate) Dec 02 59133
How will the two black holes that are going to collide affect Earth? (Beginner) Nov 02 52980
How often does the Sun pass through a spiral arm in the Milky Way? (Intermediate) Nov 02 115431
Can I buy land on the Moon? (Intermediate) Nov 02 65989
What would happen if two stars collided? (Intermediate) Nov 02 64820
What is the largest galaxy? (Beginner) Nov 02 152036
How are supernovae discovered? (Intermediate) Nov 02 43225
What would you see from inside a black hole? (Intermediate) Oct 02 117947
Can "tired light theory" explain the observed redshifts of galaxies? (Intermediate) Oct 02 56485
Did the speed of light change over the history of the universe? (Intermediate) Oct 02 60119
How do I become an astronomical artist? (Intermediate) Oct 02 44572
What was there before the Big Bang and what is there outside of our universe? (Beginner) Oct 02 149488
Does your weight change between the poles and the equator? (Intermediate) Oct 02 300573
What is the speed of gravity? (Intermediate) Sep 02 58613
Did the Sumerians measure precession? (Intermediate) Sep 02 47184
How different would the night sky have looked in 40,000 B.C.? (Intermediate) Sep 02 57615
Is the Sun expanding? Will it ever explode? (Beginner) Sep 02 182619
How do stars move in the Galaxy? (Intermediate) Sep 02 196905
Is light blueshifted when it is gravitationally lensed? (Intermediate) Sep 02 44061
Could we send a crewed mission to the outer planets? (Intermediate) Aug 02 57424
How can I watch the Perseid meteor shower? (Beginner) Aug 02 45590
What is the largest star? (Beginner) Jul 02 267446
Is infinite temperature possible? (Intermediate) Jul 02 52258
Why can't relative velocities add up to more than the speed of light? (Intermediate) Jul 02 46954
Why can we have solar eclipses? (Beginner) Jul 02 45011
Why are there both high and low tides? (Intermediate) Jul 02 172201
If the universe is infinite does that mean there is an infinite number of "me"s? (Intermediate) Jul 02 157654
Where, in relation to the entire universe, is the Milky Way located? (Intermediate) Jul 02 110790
How can we know that there are other galaxies if we cannot leave ours? (Beginner) Jun 02 67757
Is there any limitation to what a black hole can "suck" in? (Intermediate) Jun 02 53512
Can any comparison be made between spiral galaxies and hurricanes? (Intermediate) Jun 02 54906
What happens to the material that has been sucked into a black hole? (Intermediate) Jun 02 45820
Why are there stars? (Beginner) May 02 94847
Was the Sun made in a supernova? (Intermediate) May 02 73819
How do galaxies collide in an expanding universe? (Intermediate) Apr 02 80021
How do we find out about the star formation histories of galaxies? (Intermediate) Apr 02 41106
How is astronomy impacted by trigonometry? (Intermediate) Apr 02 120068
What are the closest and/or brightest stars? (Beginner) Mar 02 55058
What is the solar cycle? (Beginner) Mar 02 48949
How does interferometry work? (Intermediate) Mar 02 39342
How can I find out if the new moon has been sighted? (Intermediate) Mar 02 41847
What are the advantages and disadvantages of using a telescope in space? (Intermediate) Feb 02 266359
Was I hit by a meteorite? (Intermediate) Feb 02 49026
Where is the nearest black hole? (Intermediate) Feb 02 98791
How do astronomers come up with their facts? (Beginner) Feb 02 38937
Can a lunar and a solar eclipse happen in the same month? When will this happen next? (Intermediate) Feb 02 79020
What would happen if the gravity on Earth was suddenly turned off? (Beginner) Jan 02 275190
What is Earthrise over the Moon? (Intermediate) Jan 02 60962
How did the stars get named? (Intermediate) Jan 02 124631
What is a white hole? (Advanced) Jan 02 344157
What are the facts about the Star of Bethlehem? (Intermediate) Dec 01 50408
Is the Moon hollow? (Intermediate) Dec 01 63268
Could an astronaut or satellite fall into a black hole that we didn't know about? (Beginner) Nov 01 49153
What type of energy does a black hole have? (Intermediate) Nov 01 49439
What is the difference between homogeneity and isotropy? (Advanced) Nov 01 61072
How many Earths fit into the Sun? (Beginner) Oct 01 239762
How are astronomy and poetry linked? (Intermediate) Oct 01 44574
Why don't astronauts sublimate in space? (Advanced) Aug 01 42653
Is the Earth slowly getting larger? (Beginner) Aug 01 91997
Why don't astronomers use everyday units to measure distances (what is an AU or a pc)? (Intermediate) Aug 01 68420
Does the Sun move around the Milky Way? (Intermediate) Jul 01 137551
How does night and day work? (Beginner) Jun 01 91700
What supernova created the Crab nebula? (Intermediate) May 01 48597
Can a person go into a black hole and come out alive? (Beginner) Apr 01 67674
What is the typical size of a visible shooting star? (Intermediate) Apr 01 69155
Why do we study black holes? (Beginner) Apr 01 72153
Wouldn't the Big Bang theory be considered a hypothesis and not a theory? (Intermediate) Apr 01 75967
Where does the name "Milky Way" come from? (Beginner) Mar 01 109461
Why was Mir burned up in the atmosphere? (Intermediate) Mar 01 32378
Why is looking out into space the same as looking back in time? (Beginner) Mar 01 252299
What class of spiral galaxy is the Milky Way? (Intermediate) Mar 01 44925
Was Stonehenge built to mark solar phenomena? (Intermediate) Feb 01 43990
When is the next comet due to arrive? (Beginner) Feb 01 143900
What month was it when Odysseus saw Orion in 1000BC? (Advanced) Feb 01 47751
Where can I see Newton's original reflecting telescope? (Beginner) Feb 01 41204
What is dark matter? (Beginner) Feb 01 52209
What are quasars made of? (Beginner) Jan 01 60194
How can I find my age on another planet? (Beginner) Dec 00 69969
Could you tell me about the life cycle of galaxies? (Intermediate) Nov 00 61661
How are galaxies named? (Beginner) Nov 00 57399
How many known galaxies are there? (Intermediate) Nov 00 147378
Do galaxies orbit around anything? (Intermediate) Nov 00 51395
How are black holes made? Could one be made close to us? (Beginner) Nov 00 111528
Why is the shadow on the Moon the shape it is? (Beginner) Nov 00 71053
How do you classify galaxies? (Intermediate) Nov 00 39405
How do rockets move in space? (Beginner) Nov 00 136802
What would happen to the Earth if an asteroid hit the Moon? (Intermediate) Oct 00 90222
What would happen if we did not have a Moon? (Intermediate) Oct 00 267115
Where can I find information on the moons of other planets? (Intermediate) Oct 00 37824
How many sunspots can the Sun have at once? (Beginner) Oct 00 51918
Why are telescopes kept in cold conditions? (Beginner) Oct 00 45958
How hot is each one of the layers of the sun? (Beginner) Oct 00 75275
Do we know everything about the Sun? (Beginner) Oct 00 51750
If we invented special suits could we ever go to the sun? (Beginner) Oct 00 51876
Why is the Hubble Space Telescope in space? (Beginner) Oct 00 46193
Where does the name "Moon" come from? (Beginner) Oct 00 109091
Is cosmic expansion happening on microscopic scales? (Advanced) Jan 99 38677

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