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 47537
Do constellations looks the same from space? (Beginner) Dec 06 46063
How can the universe be "flat"? We're 3D! (Beginner) Dec 06 80776
What is the best way to see the Milky Way? (Intermediate) Nov 06 61385
How can I find the star I have "bought"? (Beginner) Jun 06 220908
Will we discover an 11th planet? What would it be called? (Beginner) May 06 47367
Why is a day divided into 24 hours? (Intermediate) Apr 06 272575
When can I see the Moon through the hole in the Pantheon? (Intermediate) Jan 06 86447
What's going to happen on December 21st 2012? (Intermediate) Jan 06 2189035
How much money is spent on space exploration? (Intermediate) Nov 05 280012
How do I explain to my children why the Moon has phases? (Beginner) Oct 05 48629
What is the most distant known galaxy? (Beginner) Sep 05 57408
How much can the location of sunset differ from due West? (Intermediate) Jun 05 74346
How many Astronauts have been in space? (Beginner) May 05 54395
How do the astronauts communicate in space if sound cannot travel in a vacuum? (Beginner) Jan 05 123556
Why does the Earth tilt back and forward once a year? (Beginner) Dec 04 108538
Why do people draw stars with five points? (Intermediate) Nov 04 67962
Is there a project I can do on black holes? (Intermediate) Nov 04 47202
As the universe expands, why don't galaxies get stretched out? (Intermediate) Oct 04 43771
How does the position of Moonrise and Moonset change? (Intermediate) Oct 04 365084
How does Astronomy involve Chemistry? (Intermediate) Sep 04 70800
How is the time of sunrise calculated? (Intermediate) Jun 04 83517
Are there any asteroids on a collision course with Earth? (Beginner) Apr 04 107115
Does Mt. Everest cast a shadow on the moon? (Intermediate) Mar 04 62807
Does quantum entanglement imply faster than light communication? (Intermediate) Mar 04 139566
What is the evidence supporting the nebula theory of Solar System formation? (Intermediate) Jan 04 186823
Can any galaxies be seen with the naked eye? (Beginner) Dec 03 102240
What happened to the girl who named Pluto? (Intermediate) Nov 03 44256
How can I find the distance to the Sun on any given day? (Advanced) Oct 03 95562
Does the Mediterranean sea have tides? (Intermediate) Sep 03 132998
How many stars can I see? (Beginner) Jun 03 50569
Would your weight change as you go underground? (Advanced) Jun 03 81373
Why do airplanes take longer to fly West than East? (Intermediate) Feb 03 390317
Who came up with the name "black hole"? (Beginner) Feb 03 57314
Could photons be dark matter? (Intermediate) Jan 03 36501
How would the weather on Earth be different if it were a cube? (Intermediate) Dec 02 61726
How can we estimate the number of Earth-like planets in the Galaxy? (Intermediate) Dec 02 53080
How will the two black holes that are going to collide affect Earth? (Beginner) Nov 02 46718
How often does the Sun pass through a spiral arm in the Milky Way? (Intermediate) Nov 02 104062
Can I buy land on the Moon? (Intermediate) Nov 02 59195
What would happen if two stars collided? (Intermediate) Nov 02 55961
What is the largest galaxy? (Beginner) Nov 02 146187
How are supernovae discovered? (Intermediate) Nov 02 37570
What would you see from inside a black hole? (Intermediate) Oct 02 107987
Can "tired light theory" explain the observed redshifts of galaxies? (Intermediate) Oct 02 49348
Did the speed of light change over the history of the universe? (Intermediate) Oct 02 50881
How do I become an astronomical artist? (Intermediate) Oct 02 38989
What was there before the Big Bang and what is there outside of our universe? (Beginner) Oct 02 138954
Does your weight change between the poles and the equator? (Intermediate) Oct 02 241527
What is the speed of gravity? (Intermediate) Sep 02 52529
Did the Sumerians measure precession? (Intermediate) Sep 02 40137
How different would the night sky have looked in 40,000 B.C.? (Intermediate) Sep 02 48014
Is the Sun expanding? Will it ever explode? (Beginner) Sep 02 165765
How do stars move in the Galaxy? (Intermediate) Sep 02 171967
Is light blueshifted when it is gravitationally lensed? (Intermediate) Sep 02 36955
Could we send a crewed mission to the outer planets? (Intermediate) Aug 02 46820
How can I watch the Perseid meteor shower? (Beginner) Aug 02 39180
What is the largest star? (Beginner) Jul 02 258486
Is infinite temperature possible? (Intermediate) Jul 02 45603
Why can't relative velocities add up to more than the speed of light? (Intermediate) Jul 02 40422
Why can we have solar eclipses? (Beginner) Jul 02 38542
Why are there both high and low tides? (Intermediate) Jul 02 160439
If the universe is infinite does that mean there is an infinite number of "me"s? (Intermediate) Jul 02 126129
Where, in relation to the entire universe, is the Milky Way located? (Intermediate) Jul 02 95782
How can we know that there are other galaxies if we cannot leave ours? (Beginner) Jun 02 56746
Is there any limitation to what a black hole can "suck" in? (Intermediate) Jun 02 47448
Can any comparison be made between spiral galaxies and hurricanes? (Intermediate) Jun 02 44662
What happens to the material that has been sucked into a black hole? (Intermediate) Jun 02 40415
Why are there stars? (Beginner) May 02 82979
Was the Sun made in a supernova? (Intermediate) May 02 65188
How do galaxies collide in an expanding universe? (Intermediate) Apr 02 70621
How do we find out about the star formation histories of galaxies? (Intermediate) Apr 02 35176
How is astronomy impacted by trigonometry? (Intermediate) Apr 02 108873
What are the closest and/or brightest stars? (Beginner) Mar 02 47722
What is the solar cycle? (Beginner) Mar 02 41127
How does interferometry work? (Intermediate) Mar 02 34010
How can I find out if the new moon has been sighted? (Intermediate) Mar 02 35617
What are the advantages and disadvantages of using a telescope in space? (Intermediate) Feb 02 237883
Was I hit by a meteorite? (Intermediate) Feb 02 43512
Where is the nearest black hole? (Intermediate) Feb 02 85932
How do astronomers come up with their facts? (Beginner) Feb 02 33730
Can a lunar and a solar eclipse happen in the same month? When will this happen next? (Intermediate) Feb 02 66867
What would happen if the gravity on Earth was suddenly turned off? (Beginner) Jan 02 217525
What is Earthrise over the Moon? (Intermediate) Jan 02 54804
How did the stars get named? (Intermediate) Jan 02 107610
What is a white hole? (Advanced) Jan 02 330088
What are the facts about the Star of Bethlehem? (Intermediate) Dec 01 44781
Is the Moon hollow? (Intermediate) Dec 01 57407
Could an astronaut or satellite fall into a black hole that we didn't know about? (Beginner) Nov 01 43623
What type of energy does a black hole have? (Intermediate) Nov 01 42700
What is the difference between homogeneity and isotropy? (Advanced) Nov 01 52521
How many Earths fit into the Sun? (Beginner) Oct 01 221846
How are astronomy and poetry linked? (Intermediate) Oct 01 38893
Why don't astronauts sublimate in space? (Advanced) Aug 01 36608
Is the Earth slowly getting larger? (Beginner) Aug 01 78648
Why don't astronomers use everyday units to measure distances (what is an AU or a pc)? (Intermediate) Aug 01 57302
Does the Sun move around the Milky Way? (Intermediate) Jul 01 127918
How does night and day work? (Beginner) Jun 01 76890
What supernova created the Crab nebula? (Intermediate) May 01 42625
Can a person go into a black hole and come out alive? (Beginner) Apr 01 59870
What is the typical size of a visible shooting star? (Intermediate) Apr 01 60924
Why do we study black holes? (Beginner) Apr 01 61212
Wouldn't the Big Bang theory be considered a hypothesis and not a theory? (Intermediate) Apr 01 64387
Where does the name "Milky Way" come from? (Beginner) Mar 01 102748
Why was Mir burned up in the atmosphere? (Intermediate) Mar 01 27471
Why is looking out into space the same as looking back in time? (Beginner) Mar 01 201548
What class of spiral galaxy is the Milky Way? (Intermediate) Mar 01 38372
Was Stonehenge built to mark solar phenomena? (Intermediate) Feb 01 38941
When is the next comet due to arrive? (Beginner) Feb 01 135606
What month was it when Odysseus saw Orion in 1000BC? (Advanced) Feb 01 41581
Where can I see Newton's original reflecting telescope? (Beginner) Feb 01 35403
What is dark matter? (Beginner) Feb 01 47149
What are quasars made of? (Beginner) Jan 01 52307
How can I find my age on another planet? (Beginner) Dec 00 60435
Could you tell me about the life cycle of galaxies? (Intermediate) Nov 00 53176
How are galaxies named? (Beginner) Nov 00 49920
How many known galaxies are there? (Intermediate) Nov 00 141658
Do galaxies orbit around anything? (Intermediate) Nov 00 44696
How are black holes made? Could one be made close to us? (Beginner) Nov 00 100724
Why is the shadow on the Moon the shape it is? (Beginner) Nov 00 55166
How do you classify galaxies? (Intermediate) Nov 00 34049
How do rockets move in space? (Beginner) Nov 00 115313
What would happen to the Earth if an asteroid hit the Moon? (Intermediate) Oct 00 77368
What would happen if we did not have a Moon? (Intermediate) Oct 00 244707
Where can I find information on the moons of other planets? (Intermediate) Oct 00 32997
How many sunspots can the Sun have at once? (Beginner) Oct 00 45130
Why are telescopes kept in cold conditions? (Beginner) Oct 00 40715
How hot is each one of the layers of the sun? (Beginner) Oct 00 59497
Do we know everything about the Sun? (Beginner) Oct 00 45363
If we invented special suits could we ever go to the sun? (Beginner) Oct 00 44911
Why is the Hubble Space Telescope in space? (Beginner) Oct 00 39584
Where does the name "Moon" come from? (Beginner) Oct 00 94309
Is cosmic expansion happening on microscopic scales? (Advanced) Jan 99 33325

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