Advanced Telescope Stuff Video. Telescope History Video Eyes on the Sky1 Eyes on the Sky2 Eyes on...

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Advanced Telescope Stuff Video

Transcript of Advanced Telescope Stuff Video. Telescope History Video Eyes on the Sky1 Eyes on the Sky2 Eyes on...

Advanced Telescope Stuff

Video

Active Optics• Adjustments to the

primary mirror due to sagging, weight shifting, thermal expansion, & manufacturing errors.

• Mirror is thin and has electric adjustors along its back

• Adjustment per minute

Adaptive Optics

• Adjustment to the primary or secondary mirror to compensate for atmospheric distortions.

• Mirror is thin and has electric adjustors along its back

• 1000 time/second

Adaptive Optics

                                                                                                                             

CCD

• Charge Coupled Device• Digital Film

CCD

• Very efficient, they can detect very dim light

CCD

• Detects B&W, not color

• Filters used to get color

Segmented Mirrors

Segmented Mirrors

Interferometry

• VLBL Radio Telescope

Interferometry

• Increase the resolution

Telescopes in Chile

• http://www.youtube.com/watch?v=PkYZSOfEm1w&feature=related

Credits• http://www.youtube.com/watch?v=sGf6wSQhz80• http://www.youtube.com/watch?v=dNJQDJvUS4g• http://www.youtube.com/watch?v=PX6ab3J-1V0• http://www.youtube.com/watch?v=Qruxj0VY_q0• http://www.youtube.com/watch?

v=cxelYpoYpzA&feature=related• http://www.youtube.com/watch?