pablodf76
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Is night sky getting brighter day by day?
Accepted answer
4 votes

The rate of star formation in the universe peaked about 3.5 billion years after the Big Bang, or 2.7 billion years after it, according to a different study—in any case, for most of the universe's ...

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Is this object an asteroid or comet, and how can it produce so many tails?
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2 votes

A paper titled "Monte Carlo Models of the dust environment of a sample of comets from the Oort Cloud to the outer Main Asteroid Belt" (PDF also here) (2014) studied the behaviour of P/2013 P5 using ...

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Why do Uranus' and Pluto's moons orbit the equator? What makes a moons' inclination tilt with the rotational axis of their planet?
5 votes

I have managed to find two hypotheses for Uranus's tilt that explain why its moons are also orbiting on a tilted plane. The multiple impacts hypotheses lies on the fact that, if Uranus had become ...

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Is there a prediction when our solar system would fall apart?
1 votes

The process whereby the Sun will become a red giant and then turn into a white dwarf is neither short nor simple. It's absolutely not the case that it will expand, blow away a chunk of its mass, ...

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What made cooler temperatures suitable for atom formation?
0 votes

Atoms are formed by nuclei surrounded by electrons, bound by the electromagnetic force; nuclei are composed of protons and neutrons, bound by the strong nuclear force; protons and neutrons are in turn ...

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What does forward modeling mean?
8 votes

Forward modeling is the use of a model in order to simulate an outcome. The problem of getting the model to produce data from the input is called the forward problem. The forward model takes certain ...

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extrasolar comets - basic question
2 votes

The chemical make-up of the comet is indeed relevant. From Wikipedia (Exocomet): The exocomets can be detected by spectroscopy as they transit their host stars. The transits of exocomets, like the ...

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How bright could Gliese 710 appear in 1.35 million years?
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2 votes

WolframAlpha says (to the query "apparent magnitude of star with absolute magnitude = 8.23 and distance = 1.1 ly") that the apparent magnitude of Gliese 170 would be about 0.87 on average. I took the ...

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Exoplanet rotation period
1 votes

Do you mean the time it takes for the exoplanet to rotate around its axis? The transit method is used to detect the presence of an exoplanet as it passes in front of the star (as seen from Earth). ...

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