AoTATX #70 Trivia

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AoTATX #70 Trivia

Trivia questions for AoTATX #70 Virtual Show!
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1. From Earth, Webb could detect the heat signature of a bumble bee on the moon. How far from Earth could Webb detect the heat signature of a pound of bumble bees (approximately 4000 bees)? (Excuse the weird units, but hey this IS astronomy)

Saturn (~840 million miles)

2. Why is High-Contrast Infrared Direct Imaging useful when probing young star systems?

Young star systems have planets that have retained remnant heat from planetary formation.

3. Why can terms like "Earth-like" and "habitable" be misleading? (Although maybe not be for long, thank you JWST :) )

Both options #1 and #2
(#1 - The most we can conclude about "Earth-like" planets, without understanding their atmospheres, is that they are "Earth-sized" planets.
#2 - The habitability for an individual planet depends heavily on the atmospheric composition and a wide variety of factors specific to that planet)

4. What's the Habitable Zone (HZ) of a planetary system?

The region where water can exist in liquid form on a planet.

5. Which detection technique has found the most planets in the HZ to date?

Radial Velocity

6. Is K2-18b likely to be an inhabited planet?

Likely not

7. What is the current best observational technique to observe exoplanet atmospheres?

Transmission Spectroscopy

8. What does MCMC stand for?

Markov chain Monte Carlo

9. What's the big spherical region surrounding the disk of a spiral galaxy called?

Halo

10. Which is easier: a spectrum, or a spectral energy distribution (SED)?

A spectral energy distribution

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