User Mark Foskey - Astronomy Stack Exchange

38 votes

2 answers

7k views

Why are the Pillars of Creation pillar-shaped?

asked Oct 25, 2022 at 4:41

11 votes

2 answers

288 views

Are rogue planets ever born in isolation?

asked Apr 24, 2018 at 16:18

10 votes

1 answer

2k views

Is there a closest free-return trajectory to a black hole?

asked Apr 11, 2021 at 20:47

8 votes

1 answer

187 views

What is the history of the average pressure, density, and temperature of the matter in the universe over time?

asked Apr 14, 2021 at 15:14

6 votes

1 answer

702 views

Could a black hole pass quiescently through the Oort cloud?

asked Oct 7, 2018 at 0:38

6 votes

1 answer

343 views

Are X-ray rings around GRBs analogous to sun halos?

asked Oct 18, 2022 at 3:17

5 votes

1 answer

245 views

Are high-speed galactic collisions survivable?

asked Nov 28, 2015 at 4:02

5 votes

1 answer

65 views

How to interpret illumination in "pulsar cannonball" image

asked Oct 3, 2022 at 1:25

4 votes

1 answer

156 views

What moons have cleared their orbits?

asked May 31, 2023 at 1:06

2 votes

1 answer

115 views

How is the polar angle of a pulsar beam determined?

asked Dec 22, 2020 at 2:54

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10 Questions

Why are the Pillars of Creation pillar-shaped?

Are rogue planets ever born in isolation?

Is there a closest free-return trajectory to a black hole?

What is the history of the average pressure, density, and temperature of the matter in the universe over time?

Could a black hole pass quiescently through the Oort cloud?

Are X-ray rings around GRBs analogous to sun halos?

Are high-speed galactic collisions survivable?

How to interpret illumination in "pulsar cannonball" image

What moons have cleared their orbits?

How is the polar angle of a pulsar beam determined?