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Cosmic Samples & Origin of Solar System
Cosmic Samples & Origin of Solar System

... survives its fiery plunge through Earth’s atmosphere is called a meteorite Their extraterrestrial (not from Earth) origin was not accepted by scientists until the beginning of the 19th century Meteorites are found in two ways: Someone tracking a meteor fireball to the ground (a meteorite fall) Someo ...
Witnesses to Local Cosmic History - Max-Planck
Witnesses to Local Cosmic History - Max-Planck

... These objects move in elliptical orbits, which increases their chances of colliding with each other. During those cosmic collisions, fresh, white ice is released from the inside and deposits on the surface. “Collisions certainly play an important role in the development of the Kuiper belt objects,” ...
29-4 - Fremont Peak Observatory
29-4 - Fremont Peak Observatory

... only Messier Globular Cluster (M79) in the winter sky. This object is probably the reddest star in the sky. The star is the variable R Leporis (R Lep). R Lep is located about 6° southwest of Rigel at Right Ascension 04h 59m 36.5s and Declination 14° 48.4’. R Lep is a “Carbon Star,” and as such it is ...
Document
Document

... • In the 3rd Century B.C., a Greek, Aristarchus of Samos, figured out a way to measure the relative sizes and distances of the Moon and Sun. • He noticed that when the Moon was eclipsed by the Earth (월식) we can see the Earth's shadow creep across the face of the Moon. Earth's shadow is circular, and ...
Our Solar System - Mrs. Carter
Our Solar System - Mrs. Carter

... the Sun. They range in size from a few feet in diameter to hundreds of miles in diameter. Most asteroids are found between Mars and Jupiter. Some have orbits that cross the Earth’s path, and in the past, some have even crashed into Earth. Asteroids and other smaller objects that enter Earth’s atmosp ...
CHAPTER 13: GRAVITATIONAL INTERACTIONS 13.1
CHAPTER 13: GRAVITATIONAL INTERACTIONS 13.1

... g is the gravitational field vector They are all different quantities that are related G and g have the same magnitude and their units are equivalent: N/kg = m/s2 g = GM/R2 g = 9.8 N/kg is valid only near the planet’s surface as R increases, g decreases The strength of Earth’s gravitational field is ...
friction Pluto
friction Pluto

... Our solar system is extremely complex. There are more objects out there than the sun and nine planets. There are many questions scientists research about our solar system, in the past, present and future. One question that has been researched is how were planets and space objects formed? One thing i ...
Our Solar System LEVELED BOOK • S www.readinga-z.com
Our Solar System LEVELED BOOK • S www.readinga-z.com

... the Sun. They range in size from a few feet in diameter to hundreds of miles in diameter. Most asteroids are found between Mars and Jupiter. Some have orbits that cross the Earth’s path, and in the past, some have even crashed into Earth. Asteroids and other smaller objects that enter Earth’s atmosp ...
slides - Insight Cruises
slides - Insight Cruises

... of life on Earth has only recently been recognized • The idea of simple life beyond Earth is not as crazy as it used to be! can make a "short list" of places to look: • WeMars ...
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The Earth - for physicists - University of California, Riverside
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... suffer many impacts. Curiously, instead of their frequency gradually dropping off over time, it may have spiked during a period called the late heavy bombardment, which occurred some 4 to 3.8 billion years ago. A lot of large craters on the Moon date back to this period, so probably the Earth got hi ...
Our Solar System
Our Solar System

... To get an idea of the size of things in our Solar System, imagine that Earth is a grape. . If the Earth were the size of a grape, the Moon would be the size of a green pea. The Sun would be as big as a ball that an adult man could stand in. Jupiter, the largest planet, would be the size of a grape ...
Mars Science Laboratory Makes First Contact Mysterious Particles
Mars Science Laboratory Makes First Contact Mysterious Particles

... yellow, is a wide double star that you may just be able to resolve with your unaided eyes. If not, the smallest binoculars will do the trick. · Wednesday, Nov. 30 · Far to the lower left of the Moon sparkles 1st-magnitude Fomalhaut. It's due south at its highest soon after dark now. Thursday, Dec. 1 ...
TRANSIT
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Astronomy Exam Answer Key
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... (1) cyclic and predictable (2) cyclic and unpredictable (3) random and predictable (4) random and unpredictable 2 The Coriolis effect causes winds in New York State to generally curve (1) to the right of the direction of travel (2) to the left of the direction of travel (3) upward away from Earth’s ...
2011_JCB_SS_Key_1_
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... is in opposition? (The distance from the Earth to the Sun is 1 AU) (The distance from Earth to Jupiter is about 4 AU;) (Sunlight to the Earth is about 8.3 minutes, so 4 AU X 8.3 minutes =) 33.3 minutes or 34 minutes 20. Why on the Earth, is the time period of one high tide till the next high tide ab ...
1 3 Formation of the Solar System
1 3 Formation of the Solar System

... Earth has close to 100 craters that are larger than 0.1 km in diameter. The crater in the figure below was made by a meteorite with a mass of about 200,000 metric tons (200,000,000 kg). The crater, called Barringer Crater, is more than 1 km wide and 175 m deep. ...
Astrophysics 2012_2013 Grade 10 April 29, 2013
Astrophysics 2012_2013 Grade 10 April 29, 2013

... 4. Which two planets do not have any moons? 5. Which massive planet is a "brown dwarf" or "failed star?" 6. What are the names of the two classic belts in our Solar System? 7. Which icy region of our Solar System surrounds it like a bubble? 8. Which planet was discovered mathematically before it was ...
CP CircularGravityReview
CP CircularGravityReview

... 7. If the earth had twice its present mass,but the sameradius,what would be the value of g? A) 39.2m/s/s B ) 1 9 . 6m / s / s C ) 9 . 8m / s / s D) 4.9mi s/s 8. If the radius of the earth were one half what it is now and the masswere the same,what would be the value of g? A) 39.2m/s/s B ) 1 9 . 6m / ...
Comets - Astronomy @ Walton High School
Comets - Astronomy @ Walton High School

... metal, they can also contain organic compounds. Asteroids are similar to comets but do not have a visible coma (fuzzy outline and tail) like comets do. Meteoroid •A meteoroid is a small rock or particle of debris in our solar system. They range in size from dust to around 10 metres in diameter (larg ...
Orionids meteor shower is in the morning sky and Comet of Century
Orionids meteor shower is in the morning sky and Comet of Century

... of the morning, so that’s when the shower is at its best — between midnight and dawn.    A  meteor  shower  is  a  celestial  event  in  which  a  number  of  meteors  are  observed  to  radiate,  or  originate,  from  one  point  in  the  night  sky.  These  meteors  are  caused  by  streams  of  c ...
NASA-TV Highlights
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... Arcturus shines high in the southeast these nights. Vega shines much lower in the northeast. Look a third of the way from Arcturus to Vega for dim little Corona Borealis, the Northern Crown, with its one modestly bright star, Alphecca or Gemma. Two thirds of the way from Arcturus to Vega glimmers th ...
Jupiter, Saturn, Uranus, Neptune, and Pluto (Professor Powerpoint)
Jupiter, Saturn, Uranus, Neptune, and Pluto (Professor Powerpoint)

... •The mottled surface in the image is called ‘cantaloupe terrain’ due to its appearance. •Triton is 2,705 km diameter and it orbits Neptune the ‘wrong way’ - in the opposite sense to the motion of the planets around the Sun. ...
Chapter 17 Packet Pages
Chapter 17 Packet Pages

... 3. A(n) _______________________is part of the sky used to identify stars. 4. Earth’s path around the Sun is its ____________________ 5. During a(n) _______________________, the Moon casts its shadow on Earth. 6. During a(n) _______________________, the Moon passes through Earth’s shadow. 7. Earth ta ...
Planetary Science - Columbia Falls Junior High
Planetary Science - Columbia Falls Junior High

... What Causes Tilt of the Earth on The Seasons? its axis causes: 1) hours of daylight to change during the year which results in a different number of hours for heating; 2) changes in the angle at which the light strikes the Earth ( ...
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Impact event



An impact event is a collision between celestial objects causing measurable effects. Impact events have physical consequences and have been found to regularly occur in planetary systems, though the most frequent involve asteroids, comets or meteoroids and have minimal impact. When large objects impact terrestrial planets like the Earth, there can be significant physical and biospheric consequences, though atmospheres mitigate many surface impacts through atmospheric entry. Impact craters and structures are dominant landforms on many of the Solar System's solid objects and present the strongest empirical evidence for their frequency and scale.Impact events appear to have played a significant role in the evolution of the Solar System since its formation. Major impact events have significantly shaped Earth's history, have been implicated in the formation of the Earth–Moon system, the evolutionary history of life, the origin of water on Earth and several mass extinctions. Notable impact events include the Chicxulub impact, 66 million years ago, believed to be the cause of the Cretaceous–Paleogene extinction event.Throughout recorded history, hundreds of Earth impacts (and exploding bolides) have been reported, with some occurrences causing deaths, injuries, property damage, or other significant localised consequences. One of the best-known recorded impacts in modern times was the Tunguska event, which occurred in Siberia, Russia, in 1908. The 2013 Chelyabinsk meteor event is the only known such event to result in a large number of injuries, and the Chelyabinsk meteor is the largest recorded object to have encountered the Earth since the Tunguska event.The most notable non-terrestrial event is the Comet Shoemaker–Levy 9 impact, which provided the first direct observation of an extraterrestrial collision of Solar System objects, when the comet broke apart and collided with Jupiter in July 1994. Most of the observed extrasolar impacts are the slow collision of galaxies; however, in 2014, one of the first massive terrestrial impacts observed was detected around the star NGC 2547 ID8 by NASA's Spitzer space telescope and confirmed by ground observations. Impact events have been a plot and background element in science fiction.
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