Posted by **qwerty** on Tuesday, April 29, 2014 at 7:59pm.

The luminosity of the Sun is 4*10^33 erg/s, and its radius is 7*10^10 cm.

What is the Sun's effective temperature? Please enter your answer in units of Kelvin.

What is the Sun's effective temperature? Please enter your answer in units of Kelvin. - unanswered

What is the flux of sunlight on the Earth?

- unanswered

You are tasked with building a solar power plant in the Arizona desert, using solar panels with 10% efficiency. How large an area (km^2) must your solar panels cover to match the power output of a large nuclear powerplant (about a GigaWatt)? Please enter your answer in units of km^2

You are tasked with building a solar power plant in the Arizona desert, using solar panels with 10% efficiency. How large an area (km^2) must your solar panels cover to match the power output of a large nuclear powerplant (about a GigaWatt)? Please enter your answer in units of km^2 - unanswered

The Keck telescope on Mauna Kea has an angular resolution on Earth of half an arcsecond.

>>How far away (in meters) could you read ("resolve the letters of") a book with 3 mm square type, using the Keck telescope on Earth?

- unanswered

In space, the angular resolution of the Keck telescope is govererned by the diffraction limit.

How far away could you read the same book, using the Keck telescope in space? Please express your answers in units of meters.

- Astronomy -
**anuuuuu**, Sunday, May 18, 2014 at 10:40am
dfgfjhngjhhjmdhjmkcgj

## Answer This Question

## Related Questions

- Astronomy - The luminosity of the Sun is 4*10^33 erg/s, and its radius is 7*10^...
- astronomy - The luminosity of the Sun is 4*10^33 erg/s, and its radius is 7*10^...
- astronomy - The luminosity of the Sun is 4*10^33 erg/s, and its radius is 7*10^...
- Astronomy - The star Polaris has a surface temperature of roughly 6500 K and a ...
- physics - the energy received by the earth from the sun is 1400w/m2. Assuming ...
- earth - The quantity of radiation received by earth from the sun is 1.4 kW / m2...
- physics - The sun is 1.5 1011 m from the earth. (a) Over what surface area is ...
- astrophysics - 1) Every second the Sun outputs 3.90* 10^26 Joules of energy. ...
- astrophysics - 1) Every second the Sun outputs 3.90* 10^26 Joules of energy. ...
- PHYSICS - 1. It is believed that in the Archeaneon (2.5-4 billion years ago) the...

More Related Questions