Planetary System Formation, Extrasolar Planets, Life in the Universe
... • Once planets formed, the heat of the short lived radioactive elements in their interiors would cause the planet to heat up and melt allowing the … • Differentiation to occur: Fe, Ni settled to the core, silicates floated to the surface • Outgassing occurs—which is the formation of the planets atmo ...
... • Once planets formed, the heat of the short lived radioactive elements in their interiors would cause the planet to heat up and melt allowing the … • Differentiation to occur: Fe, Ni settled to the core, silicates floated to the surface • Outgassing occurs—which is the formation of the planets atmo ...
Earth Rotation and Revolution
... • Coriolis Effect – the tendency of objects moving over the earth (air, water, planes, projectiles) to be deflected (curve away) from a straight line path. The French scientist, Gaspard Coriolis, first explained the deflection of objects moving over the surface due to Earth’s rotation • The deflecti ...
... • Coriolis Effect – the tendency of objects moving over the earth (air, water, planes, projectiles) to be deflected (curve away) from a straight line path. The French scientist, Gaspard Coriolis, first explained the deflection of objects moving over the surface due to Earth’s rotation • The deflecti ...
NEAR INFRARED CAMERA (NIRCAM) - Lunar and Planetary Institute
... rovers on Mars and other distant spacecraft. Finally, we talk about “lookback,” the concept that when we see the light from a distant star or a distant galaxy, we are actually seeing the object in the past, when the light first left the object on its journy to Earth. This activity can be used in con ...
... rovers on Mars and other distant spacecraft. Finally, we talk about “lookback,” the concept that when we see the light from a distant star or a distant galaxy, we are actually seeing the object in the past, when the light first left the object on its journy to Earth. This activity can be used in con ...
Document
... 9. Why did the model of the universe proposed by Copernicus gain support soon after its publication? a. It more accurately predicted the position of planets. b. It gave a better explanation for the phases of the Moon. c. It was a more elegant explanation of retrograde motion. d. The old system of Pt ...
... 9. Why did the model of the universe proposed by Copernicus gain support soon after its publication? a. It more accurately predicted the position of planets. b. It gave a better explanation for the phases of the Moon. c. It was a more elegant explanation of retrograde motion. d. The old system of Pt ...
Chapter 7 Review Answers
... The CBR found fits with the predictions consistent with the BBT, supporting the BBT. 13. It is unlikely that we will travel across even our own galaxy because it is 100,000 ly across, meaning that it would take 100,000 years travelling at the speed of light to get across the galaxy. 14.All galaxies ...
... The CBR found fits with the predictions consistent with the BBT, supporting the BBT. 13. It is unlikely that we will travel across even our own galaxy because it is 100,000 ly across, meaning that it would take 100,000 years travelling at the speed of light to get across the galaxy. 14.All galaxies ...
galaxies and stars - Valhalla High School
... • The Milky Way is the galaxy in which our solar system is located. • A galaxy is a giant structure that contains billions of stars. • The farther away a galaxy is from us, the faster it is moving. • It takes 2 million years for light from the Andromeda galaxy to reach earth. • Astronomers have cla ...
... • The Milky Way is the galaxy in which our solar system is located. • A galaxy is a giant structure that contains billions of stars. • The farther away a galaxy is from us, the faster it is moving. • It takes 2 million years for light from the Andromeda galaxy to reach earth. • Astronomers have cla ...
Physics@Brock - Brock University
... 1. During May the constellation Cancer is visible near the Western Horizon. However in June the Cancer is no longer visible in the night sky. The reason for that is that (a) the Earth is spinning about North-South axis. (b) the Earth is revolving around the Sun. (c) the Earth has rotational axis tip ...
... 1. During May the constellation Cancer is visible near the Western Horizon. However in June the Cancer is no longer visible in the night sky. The reason for that is that (a) the Earth is spinning about North-South axis. (b) the Earth is revolving around the Sun. (c) the Earth has rotational axis tip ...
Document
... Astronomical distances are so large that we use the speed of light to measure them Mean Earth-Sun Distance – 150 million Km = 1 Astronomical Unit (AU) = 8.3 Light Minutes 1 Light Year (Ly) = 9.5 trillion Km = 63,240 AU Parsec = 3.26 Lys (parallax angle unit) ...
... Astronomical distances are so large that we use the speed of light to measure them Mean Earth-Sun Distance – 150 million Km = 1 Astronomical Unit (AU) = 8.3 Light Minutes 1 Light Year (Ly) = 9.5 trillion Km = 63,240 AU Parsec = 3.26 Lys (parallax angle unit) ...
Meet the Jovians` Hot Siblings DONT ERASE
... • They are all composed of mainly the same chemical substances: Hydrogen and Helium. • Though Jupiter is much larger than the other three, all four planets are gaseous and are made out of generally the same chemicals with small variations. • All four are the outer planets of our solar system. ...
... • They are all composed of mainly the same chemical substances: Hydrogen and Helium. • Though Jupiter is much larger than the other three, all four planets are gaseous and are made out of generally the same chemicals with small variations. • All four are the outer planets of our solar system. ...
Take a Grand Tour of the solar system at twice the speed of light
... Near the railroad crossing you reach little Mars, a golf ball, about 3/4 of a mile from the PTDC Sun. Out here sunlight has about half the intensity we feel on Earth, the atmosphere at the Martian surface is 100 times thinner than Earth’s, the temperature averages around 80 degrees below Fahrenheit ...
... Near the railroad crossing you reach little Mars, a golf ball, about 3/4 of a mile from the PTDC Sun. Out here sunlight has about half the intensity we feel on Earth, the atmosphere at the Martian surface is 100 times thinner than Earth’s, the temperature averages around 80 degrees below Fahrenheit ...
9 Intro to the Solar System
... What is the Solar System made of? How did it form and why is it flat? What does distance from the Sun have to do with planet formation? • The Solar System is the name we give to our local cosmic backyard →A better way to think of it is all the stuff held sway by the Sun's gravity: The Sun itself, pl ...
... What is the Solar System made of? How did it form and why is it flat? What does distance from the Sun have to do with planet formation? • The Solar System is the name we give to our local cosmic backyard →A better way to think of it is all the stuff held sway by the Sun's gravity: The Sun itself, pl ...
Solutions2
... d) Do you think you might be able to resolve its disk with the U of A telescope? Why or why not (show a calculation)? The U of A telescope has an aperture of 12 inches (0.33 m), and therefore an angular resolution (in V band, 550 nm) of θ = 1.22 ∗ (5.5 × 10−7 m/0.33m) = 2.0 × 10−6 radians, or 0.4”. ...
... d) Do you think you might be able to resolve its disk with the U of A telescope? Why or why not (show a calculation)? The U of A telescope has an aperture of 12 inches (0.33 m), and therefore an angular resolution (in V band, 550 nm) of θ = 1.22 ∗ (5.5 × 10−7 m/0.33m) = 2.0 × 10−6 radians, or 0.4”. ...
March 2017 - Shasta Astronomy Club
... atmospheres of potentially habitable, Earth-size worlds.” In contrast to our sun, the TRAPPIST-1 star – classified as an ultra-cool dwarf – is so cool that liquid water could survive on planets orbiting very close to it, closer than is possible on planets in our solar system. All seven of the TRAPPI ...
... atmospheres of potentially habitable, Earth-size worlds.” In contrast to our sun, the TRAPPIST-1 star – classified as an ultra-cool dwarf – is so cool that liquid water could survive on planets orbiting very close to it, closer than is possible on planets in our solar system. All seven of the TRAPPI ...
Astronomy - Educator Pages
... -4th most mass, 3rd most volume, 2nd least dense - Made primarily of gas, but has more ice and organic gases in its atmosphere than Jupiter and Saturn. -Has an unusually large tilt. Earth’s tilt is approximately 23.5° from vertical, Uranus is approximately ...
... -4th most mass, 3rd most volume, 2nd least dense - Made primarily of gas, but has more ice and organic gases in its atmosphere than Jupiter and Saturn. -Has an unusually large tilt. Earth’s tilt is approximately 23.5° from vertical, Uranus is approximately ...
Our Solar System
... There are stream drainage patterns found on the planet from running water at some point long ago. ...
... There are stream drainage patterns found on the planet from running water at some point long ago. ...
HOMEWORK #1
... study “Campbell’s Hydrogen Star” (aka, HD 184738 or BD+30 3639) with equatorial coordinates ( = 19h:34m:45s; = +30o:30’:59”). The Local Sidereal Time (LST) at midnight will be 23:19:06. The Sun sets at 6:28 pm. Over what time period could you observe this object within an hour angle of 2h and he ...
... study “Campbell’s Hydrogen Star” (aka, HD 184738 or BD+30 3639) with equatorial coordinates ( = 19h:34m:45s; = +30o:30’:59”). The Local Sidereal Time (LST) at midnight will be 23:19:06. The Sun sets at 6:28 pm. Over what time period could you observe this object within an hour angle of 2h and he ...
The Solar System
... named the planet after the Roman god Jupiter. When viewed from Earth, Jupiter is the third-brightest object in the night sky after the Moon and Venus. Jupiter is primarily composed of hydrogen with a quarter of its mass being helium; it may also have a rocky core of heavier elements. The outer atmos ...
... named the planet after the Roman god Jupiter. When viewed from Earth, Jupiter is the third-brightest object in the night sky after the Moon and Venus. Jupiter is primarily composed of hydrogen with a quarter of its mass being helium; it may also have a rocky core of heavier elements. The outer atmos ...
Earth Science Library wk 2 (WP)
... How accurate were the predictions based on Kepler’s model? However, he was the first to use one to systematically study the heavens in 1609. Spectacular proof of their accuracy came 4 years after they were published when a transit of the Sun ...
... How accurate were the predictions based on Kepler’s model? However, he was the first to use one to systematically study the heavens in 1609. Spectacular proof of their accuracy came 4 years after they were published when a transit of the Sun ...
stars and constellations
... the axis will only point at Polaris for a few hundred years, then, another star will be “North”. The ancient Egyptians could not have used Polaris as a compass. Why stars “move” ...
... the axis will only point at Polaris for a few hundred years, then, another star will be “North”. The ancient Egyptians could not have used Polaris as a compass. Why stars “move” ...
Rare Earth hypothesis
In planetary astronomy and astrobiology, the Rare Earth Hypothesis argues that the origin of life and the evolution of biological complexity such as sexually reproducing, multicellular organisms on Earth (and, subsequently, human intelligence) required an improbable combination of astrophysical and geological events and circumstances. The hypothesis argues that complex extraterrestrial life is a very improbable phenomenon and likely to be extremely rare. The term ""Rare Earth"" originates from Rare Earth: Why Complex Life Is Uncommon in the Universe (2000), a book by Peter Ward, a geologist and paleontologist, and Donald E. Brownlee, an astronomer and astrobiologist, both faculty members at the University of Washington.An alternative view point was argued by Carl Sagan and Frank Drake, among others. It holds that Earth is a typical rocky planet in a typical planetary system, located in a non-exceptional region of a common barred-spiral galaxy. Given the principle of mediocrity (also called the Copernican principle), it is probable that the universe teems with complex life. Ward and Brownlee argue to the contrary: that planets, planetary systems, and galactic regions that are as friendly to complex life as are the Earth, the Solar System, and our region of the Milky Way are very rare.