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Wedge
  • Member for 11 years, 1 month
  • Last seen this week
  • Seattle, WA
13 votes
Accepted

The most distant point from the earth that a space shuttle has reached

13 votes
Accepted

What makes us think we can actually detect gravitational waves?

13 votes
Accepted

Where do the bipolar jets of black holes come from?

11 votes

What is a "Trojan Moon"?

9 votes
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Could many widely separated space telescopes be combined for VLBI on IR/visible wavelengths?

9 votes
Accepted

What is the most convenient rocket engine to use exclusively in space?

8 votes
Accepted

Meteorites from Mars?

8 votes

How far would you need to displace your eyes to get meaningful depth perception of the stars?

7 votes

How are new nebulae being created?

7 votes
Accepted

Relationship between the cosmic microwave background (CMB) radiation and the visible universe

7 votes
Accepted

What is a spectrometer, and why are they so useful in science?

6 votes

How do astronomers measure the distance to a star or other celestial object?

5 votes
Accepted

How is the shape of the universe measured by scientists?

5 votes

How will the luminosity of the current very near supernova Ia "PTF 11kly" develop in the next weeks and why?

4 votes

How can a black hole emit X-rays?

4 votes

Is the Milky Way significantly easier to see by astronauts?

4 votes

Lack of exoplanet missions in the decadal survey

3 votes

Why don't we have a better telescope than the Hubble Space Telescope?

3 votes

Could asteroseismology have a significant potential to unravel the mechanisms of solar cycles that last thousands of years?

3 votes

Exoplanet detection via space-based parasol

3 votes
Accepted

How does a spacecraft's orientation get determined

3 votes

What is the simplest way to prove that Earth orbits the Sun?

3 votes

Why does each celestial object spin on its own axis?

3 votes

Resources and requirements for amateur spectroscopy

2 votes

The orbit of 2010 TK7

1 vote

Could this mean that Schrodinger's Cat thought experiment is false?

1 vote

Can the Hubble telescope bring any star into focus?

0 votes

What does ionization of neutral Hydrogen have to do with "transparency"?

0 votes

What happens to light and mass in the center of a black hole?