Lecture 3
... seasons come back to later for stars • Geocentric parallax uses the earth as a base. • Make a measurement two or more times in one night. • Use for planets/Sun/Moon Brahe’s data also had distances to planets plus position in sky 162 Class 3 ...
... seasons come back to later for stars • Geocentric parallax uses the earth as a base. • Make a measurement two or more times in one night. • Use for planets/Sun/Moon Brahe’s data also had distances to planets plus position in sky 162 Class 3 ...
Exam Name___________________________________
... A) Even a little can completely block all light, such as the Horsehead Nebula. B) The light that passes through them is blue shifted due to the cloud's approach. C) Its motion causes all light to be red shifted as it passes through these clouds. D) It dims and reddens the light of all more distant s ...
... A) Even a little can completely block all light, such as the Horsehead Nebula. B) The light that passes through them is blue shifted due to the cloud's approach. C) Its motion causes all light to be red shifted as it passes through these clouds. D) It dims and reddens the light of all more distant s ...
earthmoonsunnotes-120923124709-phpapp02
... to the plane of the ecliptic. It has a 23.5 degree tilt. ...
... to the plane of the ecliptic. It has a 23.5 degree tilt. ...
The Sun - Cloudfront.net
... millions of kilometers from the sun Solar Wind – Streams of protons and electrons that boil from the corona The wind travels outward through the solar system at speeds up to 800 km/s During this journey, the solar wind interacts with different bodies in the solar system, including our Earth’s magnet ...
... millions of kilometers from the sun Solar Wind – Streams of protons and electrons that boil from the corona The wind travels outward through the solar system at speeds up to 800 km/s During this journey, the solar wind interacts with different bodies in the solar system, including our Earth’s magnet ...
ISP 205: Visions of the Universe Fall 2001 Professor: ER Capriotti
... 47. The first double stars were discovered by A. Herschel B. Galileo C. Newton D. Copernicus E. Bradley 48. The mass-luminosity law for main sequence stars is based on accurate mass determinations for ____ stars. A. about ten B. less than one hundred C. several thousand 49. The main sequence is a se ...
... 47. The first double stars were discovered by A. Herschel B. Galileo C. Newton D. Copernicus E. Bradley 48. The mass-luminosity law for main sequence stars is based on accurate mass determinations for ____ stars. A. about ten B. less than one hundred C. several thousand 49. The main sequence is a se ...
Venus Project1
... • Venus’ diameter is 12,100 km across • In comparison to Earth: –It’s diameter is 95% of Earth’s • 86% it’s volume & 81% of it’s mass ...
... • Venus’ diameter is 12,100 km across • In comparison to Earth: –It’s diameter is 95% of Earth’s • 86% it’s volume & 81% of it’s mass ...
Astronomy 111 Overview of the Solar system
... 3. The Sun lies precisely 1.50×1013 cm (1 AU) from Earth. Direct observation: it follows from the previous example, but we can measure the same thing more precisely these days by reflecting radar pulses off the Sun or the inner planets, measuring the time between sending the pulse and receiving the ...
... 3. The Sun lies precisely 1.50×1013 cm (1 AU) from Earth. Direct observation: it follows from the previous example, but we can measure the same thing more precisely these days by reflecting radar pulses off the Sun or the inner planets, measuring the time between sending the pulse and receiving the ...
friends of the planetarium newsletter
... fact, the star R136a1, which is located in the R136 cluster, is the most massive star ever found. Its current mass is approximately 265 solar masses, and its estimated birth weight was as much as 320 times that of our sun. R136a1 also has the highest luminosity of any star found to date, nearly 10 m ...
... fact, the star R136a1, which is located in the R136 cluster, is the most massive star ever found. Its current mass is approximately 265 solar masses, and its estimated birth weight was as much as 320 times that of our sun. R136a1 also has the highest luminosity of any star found to date, nearly 10 m ...
Stellar Distances and Magnitudes
... • As stars get further away, their parallax becomes smaller. • Parallax can not be measured to better than ~0.02” from the ground (d < 50 pc). – Interferometry is improving on this for selected applications ...
... • As stars get further away, their parallax becomes smaller. • Parallax can not be measured to better than ~0.02” from the ground (d < 50 pc). – Interferometry is improving on this for selected applications ...
Aug14Guide - East-View
... star to Vega as it is a blue-white supergiant which is estimated to be about 200,000 times more luminous that our Sun. Although it appears less bright than Vega in the sky, it is actually at a distance of 1,550 light years while Vega is only 25 light years away. Supergiant is a good description for ...
... star to Vega as it is a blue-white supergiant which is estimated to be about 200,000 times more luminous that our Sun. Although it appears less bright than Vega in the sky, it is actually at a distance of 1,550 light years while Vega is only 25 light years away. Supergiant is a good description for ...
PHASES OF THE MOON
... Moons of other planets have similarities and differences to our own Moon. Similarities Differences Are called satellites Orbit around the planet ...
... Moons of other planets have similarities and differences to our own Moon. Similarities Differences Are called satellites Orbit around the planet ...
Atoms (“indivisible”)
... Warmer weather starts with greater amounts of sunlight heating the Earth’s surface. The amount of heating by sunlight depends on the angle at which the light hits Earth’s surface. Direct Rays ...
... Warmer weather starts with greater amounts of sunlight heating the Earth’s surface. The amount of heating by sunlight depends on the angle at which the light hits Earth’s surface. Direct Rays ...
gravity
... The gravitational constant on the Moon is smaller than on the Earth because a. The Moon has a smaller mass than the Earth. b. The Moon is farther from the Sun. c. The Earth less dense than the Moon. d. The Moon’s radius is greater than that of Earth’s. C1 ...
... The gravitational constant on the Moon is smaller than on the Earth because a. The Moon has a smaller mass than the Earth. b. The Moon is farther from the Sun. c. The Earth less dense than the Moon. d. The Moon’s radius is greater than that of Earth’s. C1 ...
The sun is a star, and it is very large and very far away. Its distance
... The sun is a star, and it is very large and very far away. Its distance from Earth is about 149 million kilometres. The light from the sun takes about 8 minutes to get here, travelling at 300,000 kilometres per second. However, despite the fact that the sun is so far away, we're going to show you a ...
... The sun is a star, and it is very large and very far away. Its distance from Earth is about 149 million kilometres. The light from the sun takes about 8 minutes to get here, travelling at 300,000 kilometres per second. However, despite the fact that the sun is so far away, we're going to show you a ...
The Turbulent Sun - Beck-Shop
... eyepiece is not recommended for the newcomer; filters may not give full protection and are liable to splinter without warning. Mylar filters can be used – but make sure you know exactly what you are doing. To use the telescope as a projector and send the Sun’s image on to a card held or fixed behind ...
... eyepiece is not recommended for the newcomer; filters may not give full protection and are liable to splinter without warning. Mylar filters can be used – but make sure you know exactly what you are doing. To use the telescope as a projector and send the Sun’s image on to a card held or fixed behind ...
Sample Midterm
... 18. Mars achieved maximum brightness this year during the month of August. Which of the following would also be true during August? (a) Mars was the farthest from the Earth in its orbit around the Sun. (b) Mars appeared to move westward with respect to the stars during August. (c)Mars appeared to m ...
... 18. Mars achieved maximum brightness this year during the month of August. Which of the following would also be true during August? (a) Mars was the farthest from the Earth in its orbit around the Sun. (b) Mars appeared to move westward with respect to the stars during August. (c)Mars appeared to m ...