So‚ went the discovery of Jupiter’s moons‚ Venus’ phases‚ and sunspots. Upon this breakthrough‚ he wrote in his journal: “My perplexity was now transformed into amazement. I was sure that the apparent changes belonged not to Jupiter‚ but to the observed stars‚ and I resolved to pursue this investigation with greater care and attention.” Not only was Galileo amazed by the sheer awesomeness of his discovery‚ but like a true scientist‚ he sought the reasonable answer to his questions
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Chicxulub Impact report- By Sophia Davis The Chicxulub asteroid hit earth over 65 million years ago‚ killing the vast majority of life.(1) This dramatic event had a great effect on Earth and its inhabitants. The impact included three main stages: the change of pathway which lead the asteroid towards earth‚ the fall of the asteroid and the effects caused. First stage The first stage of the Chicxulub impact was the change in space which lead the asteroid on its path to Earth. In order to get a better
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Basics scientific notation for distances Earth-Sun distance = 93 million miles = 8.3 light minutes = 1 AU Celestial Spheres & Motions of Stars Zenith- point on celestial sphere directly overhead Nadir- point on celestial sphere directly below Celestial poles- either of two points at which extensions of earth’s axis intersect celestial sphere Circumpolar stars- stars that never set at a given latitude; all stars between Polaris and northern horizon Diurnal motion of stars Means daily Stars
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these two stars are called brown dwarfs witch can be define as stars that are too small in mass to ever become hot enough to ignite hydrogen fusion. Because of this they are very cool and dim and that makes them look more like a giant planet like Jupiter instead of a bright star like the sun. Kevin Luhman‚ an associate professor of astronomy and astrophysics at Penn State University‚ University Park‚ Pa.‚ and a researcher in Penn State’s Center for Exoplanets and Habitable Worlds states that these
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The universe is a canvass of innumerable objects such as planets and stars. If you lay on your back on a warm summer night I would not doubt that you would be enchanted‚ enticed‚ and bewildered by the luster and mirth of all the stars you may even just wilt on the thought of how large they are. If you browse the sky regularly some notable features you you might know is the tactful North Star and the puny Little Dipper. Would you like to learn more about the unique characteristics of our galaxy and
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system formed about 4.6 billion years ago. 4. The four planets closest to the Sun - Mercury‚ Venus‚ Earth‚ and Mars - are called the terrestrial planets because they have solid‚ rocky surfaces. 5. Two of the outer planets beyond the orbit of Mars - Jupiter and Saturn - are known as gas giants; the more distant Uranus and Neptune are called ice giants. 6. Most of the known dwarf planets exist in an icy zone beyond Neptune called the Kuiper Belt‚ which is also the point of origin for many comets. 7
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eight planets‚ their moons‚ and other non-stellar objects. It formed 4.6 billion years ago from the gravitational collapse of a giant molecular cloud. The vast majority of the system’s mass is in the Sun‚ with most of the remaining mass contained in Jupiter. The four smaller inner planets‚ Mercury‚ Venus‚ Earth and Mars‚ also called the terrestrial planets‚ are primarily composed of rock and metal. Sun The Sun is the star at the center of the Solar System. It is almost perfectly spherical and consists
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Distance in scientific notation Mercury 57‚909‚000 5.7909*10^7 Venus 108‚200‚000 1.082*10^8 Earth 149‚600‚000 1.496*10^8 Mars 227‚940‚000 2.2794*10^8 Jupiter 778‚400‚000 7.784*10^8 Saturn 1‚423‚600‚000 1.4236*10^9 Uranus 2‚867‚000‚000 2.867*10^9 Neptune 4‚488‚400‚000 4.4884*10^9 (dont know about pluto but Im putting it
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Sun= cantaloupe Earth = ball pen Jupiter= finger tip Pluto= dust * Today we know Solar system has: 1 star‚ 8 planets‚ 5 dwarf planets‚ 139+ moons‚ countless small solar system bodies * A major lesson from all this is that the solar system is almost entirely made of nearly empty space * All planets orbit the sun in the same direction (counter-clockwise) * Most rotate in the same direction * Venus rotates backward * Uranus rotates on its side (equator perpendicular to equator)
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Europa: Potential for life? In 1610‚ the famous scientist‚ Galileo Galilei‚ looked upon a tiny moon of Jupiter later named Europa. A tiny nondescript moon of Jupiter‚ it did not seem like an attractive place for life. Europa is known to be covered in ice and slightly smaller than the Earth’s moon. At first glance this tiny moon seems like an inhospitable place where life cannot exist. However lately the theory that life may be present in Europa has gained momentum. Despite the physical discrepancies
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