Mercury is visible in the sky at a height a = 13◦ above the horizon. What is the air mass in front of it at that time ? Why is it difficult to detect Mercury in a small air mass?

Q: The typical total duration of an Apollo moon landing mission, from launch to splashdown, was  7 to…

A: The Apollo 11 mission concluded exactly eight days, three hours, 18 minutes and 35 seconds after…

Q: Why are Mercury and the Moon so much more heavily cratered than the Earth? Explain how crater counts…

A: The fact that Mercury and Moon are more heavily cratered than Earth implies that the their surfaces…

Q: 400 km altitude with flight path angle -10.0 degrees and speed 10.8 km/sec. a. Using Kepler's…

A: Given that:Flight path angle (γ) = -10.0 degreesSpeed at burnout (V) = 10.8 km/secRadius of the…

Q: What are two reasons why Mercury's surface gets so cold at night?

A: Mercury is the first planet in our solar system and is the closest one to the Sun's surface.…

Q: Why does Mercury have lobate scarps but Earth, Venus, and Mars do not?

A: Lobate scarps are long, curvilinear structures formed due to planar fracture.   They are…

Q: A 4500 kg ship moves at a speed of 2 m/s, determine its power (P)? ASsume all the energy losses are…

A:

Q: Why does Saturn have a less varied appearance than Jupiter?

A: Saturn is one of the four Jovian planets in our solar system. It is the sixth planet and is the…

Q: Meteorite moves in northern hemisphere of earth atmosphere perpendicular to earth surface. Direction…

A: Coriolis force is given by,

Q: Prompt: You are on the Sensor and Data Acquisition engineering team for the new NASA space rover…

A: Given : The first task of the drone was to travel 4.6 m and to collect the sample. But it traveled…

Q: Calculate the energy flux density, Fm , at the average distance of Mars from the Sun, rm , (energy…

A: Given: The distance of Mars from the Earth is 2.279×1013 cm. Introduction: Luminosity is a measure…

Q: The average distance from Earth to Mars is 1.5 AU. If you send a command using radio waves (a form…

A:

Q: When Dawn studied Ceres more closely from orbit, what did the famous, attention-grabbing feature…

A: To explain the correct answer is given below.

Q: you have a telescope like that of Galileo (with 20 mm aperture) and you know that the moon is about…

A: Given : aperture of telescope, D = 20 mm = 20 × 10-3 m             distance between Earth and moon,…

Q: On the night side of Venus, we find that the brightest wavelength, that is the wavelength this…

A:

Q: What would be the pressure 20m under water in a lake on Mars if the acceleration due to gravity on…

A: What would be the pressure 20m under water in a lake on Mars if the acceleration due to gravity on…

Q: Part of the "Mars Direct" mission plan involves rotating the spacecraft on its way to Mars to…

A: Mars Direct is a proposal for a human mission to Mars which purports to be both cost-effective and…

Q: What is the reflectivity (in percent) needed to keep water at a temperature near its freezing point…

A:

Q: Both Venus and Mars have   a. volcanic craters only   b. impact craters only   c. some…

A: As per study both Venus and mars have some volcanic and some impact craters .

Q: What will you notice as you fly over the surface of Venus?

A:

Q: Use the concept of escape speed to explain why the Moon has no atmosphere.

A: The escape velocity of an object is the minimum speed required to escape the gravitational force of…

Q: Why does the surface of mercury have so many craters?

A: Every planet in our Solar System has a lot of craters. As in the past there were many more asteroids…

Q: Name one interesting fact about mars.

A: Answer :-  Red planet :- Mars is known as the Red Planet

Q: Because of tidal forces, the Moon is in a synchronous orbit around Earth. (T/F)

A: When there is a difference in gravitational force between two objects the smaller object will be…

Q: Which of the following is NOT best explained by Venus's extreme greenhouse effect?   a. its…

A: The following are the best explanation for the Venus extreme greenhouse effect: The atmosphere of…

Q: If a 5.0 mm thick piece of plastic sheeting is being placed around a ball to represent 50 percent of…

A: We know that 5 mm lan used to represent 5.6 kilometers of the atmosphere's thickness and we can use…

Q: can you give me 3 examples about under pressure that can simulate in phet simulator

A: PhET simulator is a simple simulator for Physics students. The pressure under the fluid is find out…

Q: Do you think that the transit method can be used to study the atmosphere of Mercury? [Hint: look at…

A: A transit occurs when a planet passes over the face of the sun. During this event, information on…

Q: What is Lunar projectile motion?

A: Let's describe Lunar projectile motion. Lunar projectile motion is a projectile motion (which we…

Q: A lot of asteroid and comet dust collides with Earth's atmosphere everyday. Assume that 500 tons of…

A: Conversion for ton to kilograms is, 1 ton = 907.185 kg

Q: alculate polar flattening for Mars with polar radius 3376.2 km, and equatorial radius 3396.2 km.

A:

Q: How long, deep, and wide would a terrestrial chasm have to be to have the same proportions relative…

A:

Q: he average distance to Mars is 1.5 AU. If you send a command using radio waves (a form of light!) to…

A:

Q: Since Mars has an atmosphere and it is composed mostly of a greenhouse gas, why isn't there a…

A: The greenhouse effect is the absorption of radiation coming from the Sun by greenhouse gases. This…

Q: What is one of the Mars missions that is currently operating and write about the mission’s history,…

A:

Q: Assume that Venus has an isothermal atmosphere with a surface temperature of 750 K. The surface…

A: Given that:Surface temperature of Venus (T) = 750 KSurface pressure of Venus (Ps)=90×1013mb=91,170…

Q: Mercury's solar day is longer than its solar year. (T/F)

A: Mercury is the smallest planet in the solar system and is the closest to the Sun.   It is tidally…

Q: Why is mars red?

A: The main reason for the red color of mars is iron oxide. The surface of Mars contains lots of iron…

Q: b) State Kirchhoff's Laws and the physical principles that they express. Draw the circuit below with…

A: Kirchhoff's Laws are fundamental principles in electrical circuit theory:Kirchhoff's Current Law…