What diameter telescope is needed to resolve the separation between an Earth-like planet and i
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- Item 4 A laser beam is directed at the Moon, 380,000 km from Earth. The beam diverges at an angle 0 (Figure 1)of 4.3x10 5 rad Part A What diameter spot will it make on the Moon? Express your answer using two significant figures. Figure <1 of 1 d = Submit Request Answer Moon Provide Feedback Earth Laser beamHW 61. a) Why is it necessary to have a long baseline when using triangulation to measure the distances to objects in space? b) Of all visible objects in the celestial sphere, which appears to move the least? Why?
- In Table 2, there is a list of 15 planets, some of which are real objects discovered by the Kepler space telescope, and some are hypothetical planets. For each one, you are provided the temperature of the star that each planet orbits in degrees Kelvin (K), the distance that each planet orbits from their star in astronomical units (AUs) and the size or radius of each planet in Earth radii (RE). Since we are concerned with finding Earth-like planets, we will assume that the composition of these planets are similar to Earth's, so we will not directly look at their masses, rather their sizes (radii) along with the other characteristics. Determine which of these 15 planets meets our criteria of a planet that could possibly support Earth-like life. Use the Habitable Planet Classification Flow Chart (below) to complete Table 2. Whenever the individual value you are looking at falls within the range of values specified on the flow chart, mark the cell to the right of the value with a Y for…Please help with the solution to this question. Compare the advantages and disadvantages of conducting a communication mission from a Geostationary Orbit (GEO), Low Earth Orbit (LEO), and a Molniya (Highly Elliptical) Orbit Communications GEO LEO Molniya Advantage Disadvantage16 Which of the following methods has led to the most discoveries of massive planets orbiting near their parent stars? (A) Detecting the shift of the star's position against the sky due to the planet's gravitational pull B Detecting the starlight reflected off the planet C Detecting a planet ejected from a binary star system D Detecting the infrared light emitted by the planet E Detecting the gravitational effect of an orbiting planet by looking for the Doppler shifts in the star's spectrum
- Question 1 (Total: 30 points) a. What is a repeat ground-track orbit? b. Explain why repeat ground-track and Sun-synchronous orbits are typically used for Earth observation missions. c. The constraint for a Sun-synchronous and repeat ground-track orbit is given by T = 286, 400, where I is the orbital period in seconds, m the number of days and k the number of revolutions. Explain why this is, in fact, a constraint on the semi-major axis of the orbit.Astronomy help What does each number (16-20) represent? Semi-major axis Focus point Center Focus offset EccentricityHow many orders of magnitude do you need to grow in spatial scale (size) to form a planet? Let's take the extreme ends of this scale, from a dust particle of radius a = 10-6m to the gas giant Jupiter (you can round up its radius to the nearest ten to keep it simple). What else has this difference in order of magnitude? Maybe pick something that's not a length scale. Be creative!
- L Exam #2 - Requires Respondus L X A Chpt 6/7/8 Homework - SCIE 101 X b My Questions | bartleby G How do you screenshot on a HP + X i webassign.net/web/Student/Assignment-Responses/submit?dep=26100687&tags=autosave#Q9 9. [-/2 Points] DETAILS SHIPPS14 6.SA.013. MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER Consider the figure below. I= 1 m r=2 m T= 3 m Indicate over how many squares the sound waves would spread for r = 7 m. squares The sound intensity would decrease to what fraction in value? Need Help? Read It Submit Answer 10. [2/2 Points] DETAILS VIOUS ANSWERS SHIPPS14 6.SA.020. MY NOTES ASK YOUR TEACHER Under what circumstances would sound have the following? Study Questions for..rtf Show all 9:56 PM O Type here to search 后 ) 4/29/2021 ..Which of the following is least reasonable regarding the "water hole"? Group of answer choices It consists of frequencies which are greater than the frequencies of atmospheric emissions. It relates to the natural frequencies of vibration of hydroxyl (OH) and hydrogen (H), respectively. It occurs in that part of the electromagnetic spectrum where the galactic "noise" from stars and interstellar clouds is minimized. It is considered the "electromagnetic oasis" for interstellar communication. It corresponds to wavelengths in the 18-21 cm range.In a rotating 2 km diameter spacestation the outer edge experience 1g while halfway to the middle Select one: a. people experience 0.25g b. people experience 2g c. people experience 1g d. people experience 0.5g