Question
The tails of comets point away from the sun due to a form of this phenomenon. For 10 points each:
[10e] The release of a stream of charged particles is known as the “solar” form of what phenomenon? On Earth, the speed and direction of this phenomena can be measured with an anemometer.
ANSWER: wind
[10m] This phenomena occurs when charged particles in solar wind collide with the atoms in the ionosphere.
ANSWER: aurora borealis [accept aurora australis; prompt on “northern lights” or “southern lights”]
[10h] Solar wind drops below the speed of sound at a point in the heliosphere known by this name. The interaction with solar wind and the Earth’s magnetic field forms a “bow” one of these features that forms a protective barrier.
ANSWER: shock [accept termination shock; accept bow shock]
<Science - Other Science - Astronomy>
Data
| Team | Opponent | Part 1 | Part 2 | Part 3 | Total | 
|---|---|---|---|---|---|
| BASIS-Independent Brooklyn | North Babylon B | 10 | 0 | 0 | 10 | 
| Downingtown STEM | East Brunswick A | 0 | 10 | 0 | 10 | 
| Great Valley | Eastchester | 10 | 10 | 0 | 20 | 
| Hastings B | moving finger B | 10 | 10 | 10 | 30 | 
| Hunter A | Mather A | 10 | 10 | 0 | 20 | 
| Hunter B | moving finger C | 10 | 10 | 0 | 20 | 
| Mather B | Mather C | 10 | 10 | 0 | 20 | 
| Stuyvesant A | moving finger A | 10 | 10 | 0 | 20 | 
| Stuyvesant B | North Babylon A | 0 | 10 | 0 | 10 | 
| Trinity B | East Brunswick B | 10 | 10 | 0 | 20 | 
Summary
| Tournament | Edition | Exact Match? | Heard | PPB | Easy % | Medium % | Hard % | 
|---|---|---|---|---|---|---|---|
| 2024 FARSI @ Columbia | 12/08/2024 | Y | 10 | 18.00 | 80% | 90% | 10% |