A Conversation for Ask h2g2

How far is the Sun from the Earth?

Post 1

U190482

Anyone know the answer to this question?

Lord Smooth


How far is the Sun from the Earth?

Post 2

Marjin, After a long time of procrastination back lurking

About 150.000.000 km or 8.25 minutes.
Defined as 1 AU (astronomical unit)


How far is the Sun from the Earth?

Post 3

Whisky

or in English, about 93 million miles smiley - winkeye


How far is the Sun from the Earth?

Post 4

Ballynac

Approximately 93m miles - I think!


How far is the Sun from the Earth?

Post 5

Xanatic

Looking at the weather outside, I'd have to say too far. Come on global warming!


How far is the Sun from the Earth?

Post 6

U190482

Is it not about 150 million kilometres?
(by the way this is for a competition)

Lord Smooth


How far is the Sun from the Earth?

Post 7

Xanatic

That's what Marjin said and he's a physicist. I'd also say thereabouts.


How far is the Sun from the Earth?

Post 8

Marjin, After a long time of procrastination back lurking

1 AU = 149,597,870.691 kilometers
Definition: An Astronomical Unit is the mean distance between the Earth and the Sun. It is a derived constant and used to indicate distances within a solar system. The Earth orbits at a distance of 1 AU from the Sun.

Technical Definition: AU is short for Astronomical Unit and defined as: the radius of a Keplerian circular orbit of a point-mass having an orbital period of 2*(pi)/k days (k is the Gaussian gravitational constant). Since an AU is based on radius of a circular orbit, one AU is actually slightly less than the average distance between the Earth and the Sun (approximately 150 million km or 93 million miles).


How far is the Sun from the Earth?

Post 9

Galaxy Babe - eclectic editor

What's the prize, Lord Smooth?
Do you require any more help?
Are you going to share the prize if you win?smiley - winkeye
{I was too late to answer this, I was watching Tim Henman....}smiley - tennisball

smiley - flyhi


How far is the Sun from the Earth?

Post 10

U190482

The prize is a £1000 holiday voucher!
Iv sent in my answer already, so thanx for the help.
I shall share the prize, with my good lady friend when she returns.
(If I win)
As for Tim I dont think he will progress past Hewitt

Lord Smooth


How far is the Sun from the Earth?

Post 11

Orcus

So -seeing as I knew that - more difficult- what are the distances at aphelion and perihelion?

I've always wondered just how elongated our eliptical orbit is...

...but was too afraid to ask smiley - winkeye


How far is the Sun from the Earth?

Post 12

The Big Black Mighty Who Sang But Not Too Loud

150 million km +/- 2 million km at aphelion / perihelion


How far is the Sun from the Earth?

Post 13

Galaxy Babe - eclectic editor

Well you're entitled to your opinion, Lord Smooth.

smiley - smiley

Good luck with the contest.smiley - ok


Key: Complain about this post