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ask2002-001

10.14.05

Why Doesn't the Moon Fall Down?

This 'Ask an Astronomer' episode explains how orbits work. watch now

ask2003-002

10.14.05

How Do Stars Live and Die?

'Ask an Astronomer' tackles stellar evolution. watch now

ask2003-003

10.14.05

What Is a Brown Dwarf?

'Ask an Astronomer' explains one of the strangest objects in outer space. watch now

ask2003-005

10.14.05

Are Other Solar Systems Like Our Own?

Solar systems come in a large variety of flavors, as this 'Ask an Astronomer' video shows. watch now

ask2002-005

10.14.05

Why Are Solar Eclipses Only Visible in Some Parts of the World?

This 'Ask an Astronomer' episode explains eclipses of the sun and why they can't be seen everywhere. watch now

ask2002-003

10.14.05

Why Does the Moon Look Like It Changes?

Phases of the Moon are clearly explained in this 'Ask an Astronomer' episode. watch now

ask2003-001

10.14.05

Why Is Spitzer Painted Black?

The Spitzer Space Telescope has a funny paint job. This 'Ask an Astronomer' segment explains why. watch now

ask2002-002

10.14.05

Can You Feel a Solar Wind?

This 'Ask an Astronomer' segment attempts to explain what a solar wind is (and is not). watch now

ask2002-004

10.14.05

What Causes an Eclipse of the Moon?

This 'Ask an Astronomer' episode explains lunar eclipses. watch now

svg03-01

08.25.03

Infrared Launch

When Spitzer launched Monday, 25 August 2003 at 1:35:39 a.m. EDT from Cape Canaveral Air Force Station in Florida, me... watch now

ssv006

01.01.03

Artist Concept - Spitzer Cover Ejection

Spitzer ejects its dust cover. watch now

ssv004

01.01.03

Artist Concept - Flyaround of Spitzer

A flyaround of Spitzer in orbit. watch now

ssv009

01.01.03

Artist Concept - Spitzer Flies Away

Spitzer speeds away from Earth after its separation from its Delta II rocket. watch now

ssv005

01.01.03

Artist Concept - Spitzer Observation Cycle

An observation cycle is illustrated in this animation, with Spitzer obtaining data, transmitting that data to Earth, ... watch now

ssv001

01.01.03

Artist Concept - Spitzer IR Flyaround

Spitzer is portrayed here against an infrared sky. watch now

ssv007

01.01.03

Artist Concept - Spitzer Orbit

Spitzer's innovative Earth-trailing orbit is depicted. watch now

ssv010

01.01.03

Artist Concept - Spitzer Top View

View of Spitzer from the top watch now

ssv003

01.01.03

Artist Concept - Spitzer Visible and IR view 2

Spitzer is portrayed here first in visible light, then against the same background in the infrared. watch now

ssv002

01.01.03

Artist Concept - Spitzer Visible and IR view 1

Spitzer is portrayed here first in visible light, then against the same background in the infrared. watch now

 

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