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GrapefruitIsAwesome's user avatar
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GrapefruitIsAwesome
  • Member for 4 years, 8 months
  • Last seen this week
  • Philadelphia, PA, USA
52 votes
Accepted

How much of the surface of other planets is lit by the sun?

16 votes

14,000 square degrees

15 votes

What does it mean for a proto-neutron star to be opaque to neutrinos?

15 votes
Accepted

Can we estimate the orbital period of the planet Phaeton (destroyed planet between Mars and Jupiter)?

12 votes
Accepted

What have I encountered here?

7 votes

How do radio astronomers avoid having their receivers burned out by ground-imaging radar from satellites?

6 votes
Accepted

Did Arecibo's secondary optics compensate aberrations when viewing farther away from vertical?

4 votes
Accepted

Recommend a radio calibration target for amateur radio telescope

4 votes
Accepted

North Stars of each Solar system planet?

4 votes

At what distance does MOND Modified Newtonian Dynamics take effect?

4 votes
Accepted

What is the actual center of galaxy in this image

3 votes

How close are we to observing all of the sky all of the time?

3 votes
Accepted

How (the heck) does an astronomical Celescope work? And how did it get its name?

3 votes
Accepted

How does IXPE measure polarization, and why does it have three identical X-ray telescopes?

3 votes
Accepted

Which three telescopes are these atop a mountain in Hawaii as seen on CNN? Is this webcam view available to the public?

3 votes

What does lowercase 'beta' mean in this graph of radio-emitting galaxies?

2 votes

Total luminosity of total population of galaxies!

2 votes

Qualities of gas giant atmospheres at a density of 1 gram per cubic centimeter

2 votes
Accepted

Is the STEREO-A and STEREO-B imagery publicly available?

2 votes
Accepted

constant semi-major axes of the planets

2 votes
Accepted

What is an actual value for the Eddington pulsation constant?

2 votes

Generate an uniform distribution on the sky between limits

2 votes

Are asymmetric black holes possible?

1 vote

A question about stellar magnitude and the pogson's equation

1 vote
Accepted

What is the effective area of VLASS?

1 vote
Accepted

About coordinate systems and angle differences

1 vote

Triangular Asterism Trigonometry between Alnitak, Saiph, and Sirius?

1 vote

How to calculate apparent brightness in relation to the sun

1 vote

How to determine scalar-to-tensor ratio r from CMB polarization spectrum?

-1 votes

How is Earth's Rotation Angle (ERA) defined and measured