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Top Questions
8
votes
What is the percentage of stars with planetary systems
astronomy
planets
stars
exoplanets
asked Dec 30, 2013 at 10:02
physics.stackexchange.com
6
votes
Project Starshot acceleration
interstellar-travel
technology
project-starshot
asked Sep 19, 2017 at 0:12
space.stackexchange.com
Top Answers
89
Are there too few Supernova Remnants to support the Milky Way being billions of years old?
skeptics.stackexchange.com
87
Given that ice is less dense than water, why doesn't it sit completely atop water (rather than slightly submerged)?
physics.stackexchange.com
86
Was there a Bowling Green Massacre in 2011?
skeptics.stackexchange.com
67
Why is nuclear waste more dangerous than the original nuclear fuel?
physics.stackexchange.com
59
Are recent claims from India of a car fueled by water and calcium carbide legitimate?
skeptics.stackexchange.com
56
Why is tantalum being used for the Hayabusa bullets?
space.stackexchange.com
55
Is it theoretically possible to sail from north east Russia to Pakistan in a straight line?
skeptics.stackexchange.com
51
Did Republicans select a nazi, neo-Confederate, pedophile, and pimp as general election candidates?
skeptics.stackexchange.com
43
Why does thermal radiation only occur at infrared and visible frequencies?
physics.stackexchange.com
41
Do colour-blind people see through certain kinds of camouflage?
skeptics.stackexchange.com
34
Can you breathe underwater using bubbles of air?
skeptics.stackexchange.com
32
Why is there no magnetic field around a wire connected to electricity at home?
physics.stackexchange.com
27
Why does a piece of thread form a straight line when we pull it?
physics.stackexchange.com
27
Why is the velocity different for different points on a rolling wheel?
physics.stackexchange.com
20
Why does the speed of light in vacuum have no uncertainty?
physics.stackexchange.com
20
Is the USA “not even in the top 10 when one compares international death rates resulting from mass shootings”?
skeptics.stackexchange.com
20
Are viruses man-made nano-technology?
skeptics.stackexchange.com
19
I’m planning on buying a laser printer but concerned about the life cycle of toner in the machine
superuser.com
19
What causes a rotating object to rotate forever without external force—inertia, or something else?
physics.stackexchange.com
19
Causes of hexagonal shape of Saturn's jet stream
physics.stackexchange.com
18
Are results of carbon dating cross referenced by other methods?
skeptics.stackexchange.com
17
Different batteries connected in parallel
physics.stackexchange.com
16
Would you die if you put your hands on a powerline?
physics.stackexchange.com
15
Questions about space elevators
physics.stackexchange.com
15
Why does mixing every paint colour produce gray instead of white?
physics.stackexchange.com
15
Did Pangaea exist?
skeptics.stackexchange.com
15
Does a prototype car that runs on water exist?
skeptics.stackexchange.com
14
Was dark matter invented to explain the formation of primordial stars?
skeptics.stackexchange.com
14
Are speedometers designed to read high?
skeptics.stackexchange.com
12
Can we feel heat in outer space?
physics.stackexchange.com
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