Mercury is approximately 0.4 AU away from the Sun, whereas Neptune is approximately 30 AU away from the Sun. How long does it take light to reach Mercury and Neptune from the Sun?

Q: In Neptune's rings, each ring particle collides with another particle on average around every 8.7…

A: Given data:   Average time taken in one collision = 8.7 hours Survival time of ring particles =…

Q: Pluto has a temperature of about 50 K. Use Wien's law to calculate the wavelength at which Pluto is…

A:

Q: I have a found a planet with a period of 5 years. The star that it orbits is 2 times as massive as…

A: Orbital Period = 5 yrs Mass of star M = 2 solar mass

Q: What is the temperature for a very reflective, nearly white planet with a reflectivity of 99.3% at a…

A: Given data, Albedo α=99.3% Distance=1 AU

Q: How far is Pluto from earth in light years?

A: The SI unit of distance is meter. A light year is unit of distance used to measure astronomical…

Q: Calculate the value of the "solar constant" on Jupiter.

A: The amount of solar electromagnetic radiation available per unit area at a distance of 1AU is called…

Q: Saturn’s E ring is thought to be produced by water erupting from the moon Enceladus. How does its…

A:

Q: How long does it take, in minutes, for light to reach Saturn from the Sun, a distance of 1.542×109…

A: given              Distance=1.542×109km

Q: he speed of the solar wind is approy400 km/s. How many days does the solar wind take to travel from…

A:

Q: If sunlight takes 8 minutes to reach the Earth, how long does it take to reach Jupiter, which is…

A: Given data The time to reach the light to earth is t1= 8 min The distance between sun and Jupiter is…

Q: Calculate the energy flux density at the average distance of Venus from the Sun rv (energy flux…

A: Energy flux density at the average distance of VenusF=L4πrv2=1370 W/m24π1.082×1013 cm21 cm10-2…

Q: (a) What is the difference between the forces due to Neptune on a 1.0 kg mass located at the near…

A: Mass of Earth ME=5.97×1024 kg The mass of Neptune  MN=17.15 MEMN=17.155.97×1024kg=102.38×1024 kg…

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

A:

Q: What appears to be the most common size of exoplanets?   Jupiter size         Neptune size…

A: Exoplanets are found outside of solar system. Their radii is 1.4 to 2.8 times the radius of earth.

Q: Venus can be as bright as apparent magnitude −4.7 when at a distance of about 1 AU. How many times…

A: Distance, d = 7 pc Original Magnitude, M=-4.7 Need to find the apparent magnitude.

Q: What is the predicted fate of Triton?

A: Triton is the largest natural satellite of Neptune. It has a retrograde orbit or Triton has an orbit…

Q: If you were to record the spectrum of Saturn as well as the A ring, you would find light from one…

A: Given: Gravitational Constant,G=6.67×10-11Nm2/kg2Mass of…

Q: This red patch on Jupiter is known as the Great Red Patch. Is there a way to predict how long it…

A: The red patch on the planet Jupiter, also known as Great Red Patch is an anticyclone.

Q: Jupiters exosphere has a temperature of about 870.0K what is the thermal speed of hydrogen (in km/s)…

A: Given value--- temperature = 970 K. The mass of a hydrogen atom is 1.67 x 10-27 kg. Boltzmann…

Q: The most abundant element in the Sun is hydrogen. (T/F)

A: Sun is the star at the center of our solar system. It belongs to the G-type main-sequence stars.…

Q: Light from the sun takes 8 minutes to reach earth. How long does it take to reach Neptune?

A: time taken by light to reach from sun to earth (t) = 8 mintues distance between sun and earth (d) =…

Q: L(1 – a) T = 4 40

A:

Q: The equilibrium temperature for Saturn should be 82 K but it is found to be 95 K. How much more…

A:

Q: What is the temperature for an almost completely absorbing dark planet at 1 AU and with a…

A:

Q: The ratio of charon to pluto's roche limit?  or  How close is Charon to Pluto's Roche limit?…

A: The Roche limit is the distance from a celestial body within which a second celestial body, held…

Q: The Solar nebula was "mostly" b. hydrogen compounds: ammonia, methane and water c. heavier elements…

A: NEBULA:- A nebula is a giant cloud of dust and gas in space. Some nebulae come from yhe gas and dust…

Q: What is the angular diameter of Saturn (in arc seconds) as seen from Earth when the two planets are…

A: Given,Angular diameter2.06×105=linear diameterdistance

Q: What is the apparent magnitude of the sun as seen from Saturn about 10 AU away? Appear to magnitude…

A:

Q: What produced the helium present in Jupiters atmosphere and inside Sun's core ?

A: When the universe was created in Big Bang the temperature was very high. Once the temperature cooled…

Q: The speed of the solar wind is approximately 400 km/s. How many days does the solar wind take to…

A: Given: Speed of solar wind = 400 kms

Q: The Sun has a radius of 6.955×105 km and a mass of 1.989×1030  kg. What is the density of the Sun?…

A: Considering sun as a sphere, the volume of sun is

Q: Venus can be as bright as apparent magnitude -4.7 when at a distance of about 1 AU. How many times…

A:

Q: AL

A: Here given that neptune -sized masses.

Q: How does the dynamo effect take place in Neptune?

A: The Dynamo effect is the generation of a magnetic field due to rotation of the core in a planet.…

Q: Venus can be as bright as apparent magnitude −4.7 when at a distance of about 1 AU. How many times…

A: Solution:   Given that, Apparent Magnitude (mA)=-4.7  distance d1=1 AU 1 pc = 2.1 ✕ 105 AU

Q: et's assume it took Voyager 1 13 years to reach the edge of solar system at a distance of 40 AU. How…

A: given that time taken by voyager = 113 year = 990558 hr distance travelled = 40AU we know that 1 AU…

Q: Some astronomers argue that Jupiter and Saturn are unusual, while other astronomers argue that all…

A: To determine: Explain why some astronomers argue that Jupiter and Saturn are unusual, while the…

Q: A small cloud in Jupiter's equatorial region is observed to be at 120.80 ° west longitude in a…

A: total distance covered by cloud= final logitude-initial logitude initial longitude=120.80° west…