Questions tagged [infrared]

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Question: By design, JWST cannot observe in the anti-sun direction. Is this due to Gegenschein backscatter?

Gegenschein is a faint bright spot in the zodiacal light, centered at the antisolar point. By ESO/Y. Beletsky - ESO, CC BY 4.0, https://commons.wikimedia.org/w/index.php?curid=22975456 It is ...
8
votes
1answer
623 views

How will JWST extract the infrared signal from the desired early sources from all the other infrared it will see?

JWST will look for an infrared signal as low as 1 photon per second that comes from the earliest sources of infrared. But there will be infrared from any star in its field of view that is not ...
3
votes
0answers
191 views

Will the James Webb Space Telescope be able to see the Spitzer Space Telescope (assuming...)?

Space.com's NASA's Spitzer Space Telescope is no more. Here's what's next for infrared astronomy. says: The best infrared eye in the universe† has closed, and scientists will need to wait at least a ...
1
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1answer
84 views

Why the logarithmic spiral for the ASM-135 ASAT's infrared detector?

The Scott Manley video The Only Pilot to Shoot Down A Spacecraft - A Space Ace talks about the ASM-135 ASAT and its successful test launched from an F-15. He shows images from the page The F-15 ASAT ...