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Quadrantids Meteors

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Gill

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Today is apparently a good day to view the Quadrantids meteor shower in the Boötes constellation near Virgo (just look for the star Arcturus). It's also the approximate date of the Earth's perihelion.

Gill
 

dedee

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Gill":3es2hq8s said:
Earth's perihelion.
Eh?

Oh I see (googled), So why is it so cold? :lol:

edit, I just read that the aphelion is in July when we can expect to be at our hottest. Is that ironic?

Andy
 

mudman

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dedee":3esr6abc said:
Gill":3esr6abc said:
Earth's perihelion.
Eh?

Oh I see (googled), So why is it so cold? :lol:

edit, I just read that the aphelion is in July when we can expect to be at our hottest. Is that ironic?

Andy
Not for the Aussies as it's the other way around for them.

Actually distance from the sun due to our orbit doesn't make a lot of difference. The Earth's orbit is much more circular than people realise. The reason it's cold is down to the Earth's axial tilt. In the winter, our hemisphere is tilted away from the Sun causing the energy we receive to be 'spread out' more than in the summer. That's also why the southern hemisphere is currently enjoying its summer.
 

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