Astronomy
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PearsonArtPhoto
  • Member for 9 years, 11 months
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12 Answers

Score Activity Newest
38 votes

Why hasn't the "9th Planet" been detected already?

37 votes
Accepted

What did LIGO Actually See? (Gravitational waves discovery)

16 votes

At what distance from Earth would our Sun be the same apparent magnitude as the next brightest star in the sky?

8 votes
Accepted

What is the farthest point of light that is emitted by a torch?

6 votes

What wavelength to best detect the "9th planet"?

5 votes
Accepted

How could lithium burning take place in a quasi-star?

5 votes
Accepted

Is the passage of three asteroids near Earth today just coincidental?

4 votes
Accepted

Is it possible to see a spacecraft orbiting the moon with a pair of binoculars?

4 votes
Accepted

Observing a point 13.82b ly away, 1b years ago

3 votes

How did LIGO verify that the gravitational waves originated 1.3 billion years ago from two specific black hole collision?

3 votes

9th planet location?

2 votes
Accepted

Discrepancy between my calculated planet JPL ephemerides and those by Horizons online app

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