Search Results | hubble space telescope
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The Most Detailed 3-D Sky Map Ever of the Galaxy's 100 Billion Stars
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The ESA Gaia satellite observatory created a billion-star 3-D map of the Milky Way. Learn more about astronomy in this HowStuffWorks Now article.
Can amateur astronomers spot exoplanets?
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It's not just NASA pros staring into the night sky. Lots of skilled amateurs are out there pointing their telescopes into the great beyond. But can the average space enthusiast actually make a critical discovery?
What is cosmological redshift?
science.howstuffworks.com/cosmological-redshift.htm
Cosmological redshift: sounds like the latest blockbuster coming to a theater near you, doesn't it? In reality, it has to do with how light itself travels -- and understanding how it works is essential to advanced space telescope technology.
How Did the Universe Begin?
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The universe and how it began is explained in this article from HowStuffWorks. Learn about the origins of the universe.
Can You Pass This High School General Science Quiz?
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Although not always a favorite subject, most people take at least one general science class in high school. Take this quiz to find out how much you remember.
Could a planet exist without a host star?
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It's not uncommon for planets to wander alone through the universe like big, sullen teenagers. But how do they end up flying solo, and could they still harbor life?
Saturn Has Giant Rings and a Moon Full of Space Lakes
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Saturn is the sixth planet from the sun and the second-largest planet in the solar system. This gas giant has more rings and moons than any other planet.
Just How Many Galaxies Are in the Universe?
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Galaxies are large systems of stars, gas, dust and dark matter that orbits a center and is bound by gravity. Learn about the characteristics of galaxies.
Exploring Jovian Planets, the Titans of Our Solar System
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The four Jovian planets are officially designated as gas (and/or ice) giants. Which planets are they and what makes them so unique?
What if I looked straight at an eclipse of the sun?
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Looking at a solar eclipse without proper eye protection can cause eye damage -- even blindness. Learn how to view an eclipse safely at HowStuffWorks.