Haven’t The Stars In The Oldest Galaxies Died By Now?

“If it has taken 13 or so billion light years for the light from the most distant observable stars to reach Earth, is it not probable that those stars no longer exist but have "gone nova”?“It’s not just probable; it’s a certainty! Most of the brightest stars have lifetimes that only keep them going for a few hundred million…Read the full article on Forbes!Have your own question? Feel free to ask! Or submit your questions via the…

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If Time Doesn’t Exist For Photons, How Does Anything Happen To It?

The concept of photons running with stopped clocks is something that is pulled straight out of relativity; the faster you’re moving, the slower your onboard clocks are moving…Read the full article on Forbes!Have your own question? Feel free to ask! Or submit your questions via the sidebar, Facebook, or twitter.Sign up for the mailing list for updates & news straight to your inbox!

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Would A White Dwarf Outlive A Neutron Star?

This is an interesting question, because most of the time when we talk about the lifetime of a star, we mean the part before the creation of a white dwarf or a neutron star.  Typically, a star has a “lifetime”…Read the full article on Forbes!Have your own question? Feel free to ask! Or submit your questions via the sidebar, Facebook, or twitter.Sign up for the mailing list for updates & news straight to your inbox!

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Why Does The Moon Rise Later Each Day?

“Why does the Moon rise 30 to 70 mins later each day than the previous day?”The Moon does indeed rise on average 50 minutes later each day in our skies, which may come as a surprisingly large daily change, particularly if you’re used to the much more gradual changes of sunrise…Read the full article on Forbes!Have your own question? Feel free to ask! Or submit your questions via the sidebar, Facebook, or twitter.Sign up for the mailing list for updates…

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Why Are Earth And Venus Called Twins?

“Why are Earth and Venus called twins?” The Earth and Venus do often get called planetary twins, and this is largely because they are very close to being the same mass. Both the Earth and Venus are rocky…Read the full article on Forbes!Have your own question? Feel free to ask! Or submit your questions via the sidebar, Facebook, or twitter.Sign up for the mailing list for updates & news straight to your inbox!

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Why Aren’t The Van Allen Belts A Barrier To Spaceflight?

“I follow all kinds of information about space and the stars. My brother has only recently started paying attention to these issues, but has been reading some naysayer websites. Because of this, he says he has doubts about the ‘truth’ of the space shuttle, the flight to the moon and other missions, as some claim that they would be impossible because of the heated layers of atmosphere around the earth, which would destroy them–the Van…

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How Come The Oort Cloud Isn’t Torn Away From Our Sun By Nearby Stars?

“If the Oort Cloud is three light years away from our Sun, then it’s closer to Alpha Centauri than our Sun, right? So how can it stay around our Sun if the mass of Alpha Centauri is 1.1 times the mass of our Sun - wouldn’t the gravity of Alpha Centauri rip it away?”The Oort cloud is an interesting feature of our solar system; a nebulous, spherical cloud of comets which marks the very outer…

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Is Space Curved? Can We See The Milky Way In The Past?

“Is it possible that space-time is curved in such a way that one (or many) of the galaxies we see in telescopes is actually our own Milky Way a few billion years earlier?”It is mathematically possible for a universe to be shaped this way, but not our Universe. Our Universe is as close to…Read the full article on Forbes!Have your own question? Feel free to ask! Or submit your questions via the sidebar, Facebook, or twitter.Sign up for the…

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When Was Dark Matter Formed?

“Was dark matter created during the Big Bang?”Our current understanding of the event dubbed the Big Bang implies that all matter, and all energy, appeared in our Universe at that moment. Ever since then, the Universe has been changing…Read the full article on Forbes!Have your own question? Feel free to ask! Or submit your questions via the sidebar, Facebook, or twitter.Sign up for the mailing list for updates & news straight to your inbox!

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