User Rory Alsop - Astronomy Stack Exchange

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Rory Alsop

Member for 10 years, 10 months
Last seen this week

Scotland, United Kingdom

978 Actions

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answered

Black Hole Photon Ring

May 10 at 12:36

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reviewed

Which of the blocked radiation windows will (mostly) open if one where to observe from the surface of Mars, instead of the Earth?

Apr 21 at 15:51

reviewed

A couple of questions on Hawking radiation

Apr 21 at 15:50

reviewed

Is there a granted minimum known size of the whole universe? (including the non observable part)

Apr 21 at 15:50

reviewed

Sun and moon same angular radius - how unlikely is this?

Apr 21 at 15:49

revised

Gear trains of astronomical clocks available?

removal of self promotion

Apr 21 at 15:44

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comment

Can emergency blanket material be used for making a homemade solar filter for a digital camera?

Please use edit to combine your two answers

Apr 8 at 9:38

comment

Is it safe to view a solar eclipse with the naked eye during totality?

Yes, it's exactly the same question. Vote to close as dupe.

Apr 8 at 9:37

reviewed

Is it safe to view a solar eclipse with the naked eye during totality?

Apr 8 at 9:37

reviewed

Comets with mutable orbit

Apr 8 at 9:36

reviewed

What came first, the super-massive black holes, or the galaxies surrounding them?

Apr 8 at 9:34

reviewed

How could a Dyson Swarm be detected?

Apr 5 at 7:54

reviewed

Gravitational forces

Apr 5 at 7:53

reviewed

Is the gravitational constant really constant over our Universe?

Apr 5 at 7:49

reviewed

Tolerances given for Galactic Directions in answer to 'How fast are we moving relative to the CMB?'

Apr 1 at 9:21

reviewed

Why isn't Eris considered a planet despite being the body of dominant mass?

Apr 1 at 9:17

reviewed

Would having a 20 Earth mass planet with lots of greenhouse gasses be the way to survive till the end of the universe for lifeforms?

Apr 1 at 9:16

reviewed

What happens at the edge of a finite and "bounded" universe?

Apr 1 at 9:14

reviewed

How can the universe be 13 billion years old, but objects are seen farther away than that?

Apr 1 at 9:07

reviewed

How can I plot a rotary cam for the equation of time?

Apr 1 at 9:06

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