Loose Leaf For Explorations: Introduction To Astronomy
9th Edition
ISBN: 9781260432145
Author: Thomas T Arny, Stephen E Schneider Professor
Publisher: McGraw-Hill Education
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Chapter 13, Problem 2P
To determine
The distance of Proxima Centauri from Earth.
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Chapter 13 Solutions
Loose Leaf For Explorations: Introduction To Astronomy
Ch. 13 - Prob. 1QFRCh. 13 - Prob. 2QFRCh. 13 - Prob. 3QFRCh. 13 - Prob. 4QFRCh. 13 - Prob. 5QFRCh. 13 - Prob. 6QFRCh. 13 - Prob. 7QFRCh. 13 - Prob. 8QFRCh. 13 - Prob. 9QFRCh. 13 - Prob. 10QFR
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- Distances to the nearest stars (up to 500 ly away) can be measured by a technique called parallax, as shown . What are the angles θ1 and θ2 relative to the plane of the Earth’s orbit for a star 4.0 ly directly above the Sun?arrow_forwardWhat is the distance in parsecs to Vega, which has an annual parallax of 0.129 arcsec.arrow_forwardWhat is the right ascension in hours, minutes, and seconds of a star at RA 239.768°?arrow_forward
- What is the parallax of a star that is 150 pc from Earth?arrow_forwardThe nearest star to our solar system is 4.29 light years away. How much is thisdistance in terms of parsecs? How much parallax would this star (named Alpha Centauri) show when viewed from two locations of the Earth six months apart in its orbit around the Sun ?arrow_forwardThe star Spica is observed to have a parallax of 0.012000. How far away is it in parsecs answers to three significant figures.arrow_forward
- Find the distance in parsecs to Vega, which has an annual parallax of 0.129 arcsec.arrow_forwardFind the distance in parsecs to Vega, which has an annual parallax of 0.129 arcsec. pcarrow_forwardWhat is the distance in light years 4 points from Earth to a star that makes a parallax angle of 2.0 arc angle? * O 0.15 LY 0.63 LY O 1.63 LY 1.53 LYarrow_forward
- A certain star has a parallax of 0.647 arcseconds. How far away is it (in metres)? [Type in the numerical value and units e.g. 1.23E+16m]arrow_forwardIf a star has a parallax of 0.016 arc second how far is it?arrow_forwardThe satellite Hipparcos was launched in 1989 to measure very accurate parallax angles of stars; it has provided the most accurate parallax measurements ever obtained. The smallest parallax angle it can measure is 0.002". How far away is the most distant star to which Hipparcos can measure the distance?arrow_forward
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