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usernumber
  • Member for 8 years, 4 months
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41 votes

What is this web on the surface of the Sun?

37 votes

Shouldn't this cause a fire?

30 votes

Is Jupiter still an anomaly?

24 votes

How did Astronomers deduce that the Sun was not a ball of fire?

19 votes

Why doesn’t the Sun fill the sky on Mercury?

16 votes

How long do the phases of sunset take?

16 votes

Why can't we see a solar eclipse every month?

15 votes

How often are there lunar eclipses on Jupiter

13 votes
Accepted

How many satellites orbit their planet faster than the planet rotates?

11 votes
Accepted

Why are Mars northern/southern hemisphere altitudes so different?

11 votes
Accepted

Why we can't see our Sun as it was a few years ago?

11 votes
Accepted

Determining the extinction by counting stars?

10 votes
Accepted

What does the Sun look like from Eris at its aphelion?

9 votes

How will Starlink affect observational astronomy?

9 votes

Do gas giants have a core?

7 votes
Accepted

Any book on `How do they know it (in Astronomy)`?

7 votes
Accepted

When was Hubble tension first noticed? When was this term first used?

6 votes
Accepted

Why are Cassegrain telescopes shorter than Newtonian reflecting telescopes?

6 votes

When exactly does Sirius shine into the queen's chamber of the Great Pyramid?

5 votes

"Juxtapositions" of moon,stars and planets in the sky,

5 votes
Accepted

Has a near earth object in heliocentric orbit ever been bright enough to be visible to the unaided eye?

5 votes

Is cosmology an accurate field?

4 votes

What is the accepted theory as to why Uranus' axis is tilted so severely?

4 votes

Moving from mathematics to astronomy/astrophysics

4 votes

Where can I find historic rates of meteor impact events?

4 votes

What's the exact story of jupiter and our earth, not becoming a super-earth?

4 votes

Can A Black Hole Exist?

4 votes
Accepted

"Pluto Time" for any solar system body

4 votes

Could mirrors be replaced with CCDs?

4 votes

How does the black hole at the center of M87 look like in the visible spectrum?