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Why are there stars? (Beginner) - Curious About Astronomy? Ask an ...


Jun 27, 2015 ... Why are there so many stars in the sky and what are their purpose of being there ? ... Since so many formed we can assume that it's quite easy for them to do that, ... If we were closer to the centre there would be many more stars in the sky. ... did compression waves have immediately following the Big Bang?

4 Mind-Blowing Things About Stars - Wait But Why


We'll start by tackling an obvious topic today: stars. .... I have to do a stupid science project model of stars and galaxies and they want a 3-5 min speech!!!!! Mike ...

How many stars are there in the Universe? / Herschel / Space ...


We might do that by measuring the surface area of the beach, and ... the rate at which stars have formed, you will be able to estimate how many stars there are in  ...

Why don't we receive light from all the stars in the universe?


Yet we know that there are millions of stars in the universe. ... radiation and since light can travel for huge distances in space, why can't we see all the stars? ... Black holes, which are massive gravitational centers, have gravity so strong that they will pull in light itself and trap it ... Why do mass and distance affect gravi...

Are the stars you see in the sky already dead? - Slate


Aug 13, 2013 ... Many of the stars we see at night have already died. ADVERTISING ... Lower- mass stars don't even do this. They just fade over time, lasting ...

How many solar systems are in our galaxy? - NASA Space Place


For many years scientists have studied our own solar system. But until the last few years, we knew of no other solar systems. This may seem surprising, as the Sun is one of about 200 billion stars (or ... how do solar systems form and evolve; are there other planets capable of supporting life; and is there life on other planets?

why do we have stars – Beryllium Zone


Nov 11, 2014 ... Hi 328bera39, Long back our universe was completely dark and very hot. There were only dense cloud of protons and electrons. It was so ...

If there's all those stars, why is it dark at night? | physics.org


... light from stars further away from us than 14 billion light years will not have had enough time ... The light that we observe from distant receding stars is more red than it would be if ... How do we know how many galaxies are in our universe?

Do Stars Move? - Universe Today


Feb 9, 2015 ... As we'll see below, we can explain those movements through the Earth's rotation and movement through its orbit. But stars also have their own ...

How Many Stars are in the Solar System? - Universe Today


Most do not have as many orbiting bodies and very few are single star systems. ... We have recorded a whole series of podcasts about the Solar System at ...

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Top 10 cool things about stars | Space | EarthSky


May 24, 2016 ... Here's a collection of 10 unexpected, intriguing facts about the stars of ... So the next time you hear someone claim to have seen a million stars in the sky, .... our sight range isn't limited to how many light years we DO see...but I ...

Are We Really All Made of Stars? - Live Science


Oct 13, 2010 ... We're made of star stuff," Sagan famously stated in one episode. His statement ... How To Fix Your Fatigue (Do This Every Day). Gundry MD.

Why We Need to See the Stars | RealClearScience


Jan 30, 2015 ... Why We Need to See the Stars ... "We've taken what was once one of the most common human ... Do we look down and wonder less? Do we ...