Astronomers have discovered a planetary system orbiting a star, which is at a distance of 3.9...
Astronomers have discovered a planetary system orbiting a star, which is at a distance of 3.9 × 1019 m from the earth. One planet is believed to be located at a distance of 1.9 × 1010 m from the star. Using visible light with a vacuum wavelength of 543 nm, what is the minimum necessary aperture diameter that a telescope must have so that it can resolve the planet and the star?
Homework Answers
The Minimum Necessary Aperture diameter that a telescope must have so that it can resolve the planet and the star is given by
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Astronomers have discovered a planetary system orbiting a star,
which is at a distance of 3.9...
Astronomers have discovered a planetary system orbiting a star, which is at a distance of 5.2...
Astronomers have discovered a planetary system orbiting a star, which is at a distance of 5.2 × 1018 m from the earth. One planet is believed to be located at a distance of 1.9 × 1010 m from the star. Using visible light with a vacuum wavelength of 557 nm, what is the minimum necessary aperture diameter that a telescope must have so that it can resolve the planet and the star?
Chapter 27, Problem 39 Astronomers have discovered a planetary system orbiting a star, which is at...
Chapter 27, Problem 39 Astronomers have discovered a planetary system orbiting a star, which is at a distance of 4.7 x 1020 m from the earth. One planet is believed to be located at a distance of 1.0 x 1012 m from the star. Using visible light with a vacuum wavelength of 551 nm, what is the minimum necessary aperture diameter that a telescope must have so that it can resolve the planet and the star? Number Units O y
Tau Ceti is a star that is located 11.753 ly away. There is a planet orbiting...
Tau Ceti is a star that is located 11.753 ly away. There
is a planet orbiting this star with an orbital radius of 0.538 AU
(AU stands for astronimcal unit - the average distance between
Earth & the Sun). Fill in the table below by determining the
minimum diameter the objective of a telescope would need to be in
order to resolve the planet from the star at the stated
wavelengths. 1 ly = 9.461 × 1015 m & 1...
1.) At what distance would a satellite orbiting the Earth be geosynchronous (orbiting the Earth once...
1.) At what distance would a satellite orbiting the Earth be geosynchronous (orbiting the Earth once every 24 hours)? It would be geosynchronous at _________ × 104 m from the center of the Earth or __________× 104 m from the Earth's surface. 2.) Hydrogen also produces spectral lines at radio wavelengths, notably at 21.1 cm. If a galaxy is moving away from us at 9% of the speed of light, at what wavelength will we detect this line? Convert this...
Please help! A planet is orbiting a nearby star in a circular, face-on (no inclination) orbit....
Please help!
A planet is orbiting a nearby star in a circular, face-on (no inclination) orbit. The planet's distance from the star is 15 AU, and the star is 202 light years from Earth. b) What size telescope would be required in order to resolve the star from the planet, assuming we could work "at the diffraction limit" at a wavelength of 7 μm? Answer in metres
Sometime around 2022, astronomers at the European Southern Observatory hope to begin using the E-ELT (European...
Sometime around 2022, astronomers at the European Southern Observatory hope to begin using the E-ELT (European Extremely Large Telescope), which is planned to have a primary mirror 42 m in diameter. Let us assume that the light it focuses has a wavelength of 520 nm. (1 light-year =9.461x 1015 m) Note: Jupiter's Diameter di 1.43 x 108 m 1) What is the most distant Jupiter-sized planet the telescope could resolve, assuming it operates at the diffraction limit? (Express your answer...
Problem 5 (18 points) The Hubble Space Telescope has an aperture of 2.4 m and focuses...
Problem 5 (18 points) The Hubble Space Telescope has an aperture of 2.4 m and focuses visible light (380- 750 nm). The Arecibo radio telescope in Puerto Rico is 305 m (1000 ft) in diameter and focuses radio waves of wavelength 75 cm. Under optical viewing conditions, what is the smallest crater that each of these telescopes could resolve on our moon? Earth-Moon distance = 3.8 × 108 m. a)
If an optical telescope focusing light of wavelength 558 nm had a perfectly ground mirror, what...
If an optical telescope focusing light of wavelength 558 nm had a perfectly ground mirror, what would have to be the minimum diameter of its mirror so that it could resolve a Jupiter-size planet (the diameter of Jupiter is 1.38×108 m) around our nearest star, Alpha Centauri, which is about 4.30 light years from earth? (1 light year = 9.46×1015 m ). D= ? meter
3. The following table comes from an article "7 Earth-sized planets circle nearby star," from Science News, March 18, 2017. Planetary lineup Seven Earth-sized planets (illustrated) have b...
3. The following table comes from an article "7 Earth-sized planets circle nearby star," from Science News, March 18, 2017. Planetary lineup Seven Earth-sized planets (illustrated) have been found in orbit around the ultracool dwarf star TRAPPIST-1. Astronomers already know many characteristics of these planets. (By convention, the first exoplanet discovered in a system is designated b.) Orbitdl 151 days 2.42 days 4.05 days 6.10 days 9.21 days 12.35 days -20 days sac AU 0.015 AU 0021AU 0028 AU 0.037...
In recent years, scientists have discovered hundreds of planets orbiting other stars. Some of these planets...
In recent years, scientists have discovered hundreds of planets orbiting other stars. Some of these planets are in orbits that are similar to that of earth, which orbits the sun (Msun = 1.99 × 1030 kg) at a distance of 1.50 × 1011 m, called 1 astronomical unit (1 au). Others have extreme orbits that are much different from anything in our solar system. The following problem relates to one of these planets that follows circular orbit around its star....
Chapter 27, Problem 39 Astronomers have discovered a planetary system orbiting a star, which is at a distance of 4.7 x 1020 m from the earth. One planet is believed to be located at a distance of 1.0 x 1012 m from the star. Using visible light with a vacuum wavelength of 551 nm, what is the minimum necessary aperture diameter that a telescope must have so that it can resolve the planet and the star? Number Units O y
Tau Ceti is a star that is located 11.753 ly away. There
is a planet orbiting this star with an orbital radius of 0.538 AU
(AU stands for astronimcal unit - the average distance between
Earth & the Sun). Fill in the table below by determining the
minimum diameter the objective of a telescope would need to be in
order to resolve the planet from the star at the stated
wavelengths. 1 ly = 9.461 × 1015 m & 1...
Please help!
A planet is orbiting a nearby star in a circular, face-on (no inclination) orbit. The planet's distance from the star is 15 AU, and the star is 202 light years from Earth. b) What size telescope would be required in order to resolve the star from the planet, assuming we could work "at the diffraction limit" at a wavelength of 7 μm? Answer in metres
Sometime around 2022, astronomers at the European Southern Observatory hope to begin using the E-ELT (European Extremely Large Telescope), which is planned to have a primary mirror 42 m in diameter. Let us assume that the light it focuses has a wavelength of 520 nm. (1 light-year =9.461x 1015 m) Note: Jupiter's Diameter di 1.43 x 108 m 1) What is the most distant Jupiter-sized planet the telescope could resolve, assuming it operates at the diffraction limit? (Express your answer...
Problem 5 (18 points) The Hubble Space Telescope has an aperture of 2.4 m and focuses visible light (380- 750 nm). The Arecibo radio telescope in Puerto Rico is 305 m (1000 ft) in diameter and focuses radio waves of wavelength 75 cm. Under optical viewing conditions, what is the smallest crater that each of these telescopes could resolve on our moon? Earth-Moon distance = 3.8 × 108 m. a)
3. The following table comes from an article "7 Earth-sized planets circle nearby star," from Science News, March 18, 2017. Planetary lineup Seven Earth-sized planets (illustrated) have been found in orbit around the ultracool dwarf star TRAPPIST-1. Astronomers already know many characteristics of these planets. (By convention, the first exoplanet discovered in a system is designated b.) Orbitdl 151 days 2.42 days 4.05 days 6.10 days 9.21 days 12.35 days -20 days sac AU 0.015 AU 0021AU 0028 AU 0.037...
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