Victory for the ACT Student Text 15e

L ESSON 3 | C ONFLICTING V IEWPOINTS • 325

PASSAGE IV Š‡ •—ǯ• ƒ–‘•’Š‡”‡ ‹• †‹˜‹†‡† ‹–‘ –Š”‡‡ ƒŒ‘” ”‡‰‹‘•ǣ –Š‡ ’Š‘–‘•’Š‡”‡ǡ –Š‡ …Š”‘‘•’Š‡”‡ǡ ƒ† –Š‡…‘”‘ƒǤ Š‡ ’Š‘–‘•’Š‡”‡ ‹• –Š‡ ˜‹•‹„Ž‡ ”‡‰‹‘ ‘ˆ –Š‡ •—Ǥ —•– ƒ„‘˜‡ –Š‡ ’Š‘–‘•’Š‡”‡ ‹• –Š‡…Š”‘‘•’Š‡”‡ ™Š‹…Š ‹• ˆƒ” Ž‡•• †‡•‡ǡ „—– Š‘––‡”Ǥ ‘•‹•–‹‰ ‘ˆ Ž‘™Ǧ†‡•‹–› ’Žƒ•ƒǡ –Š‡…‘”‘ƒ ‹• –Š‡ –Š‹ǡ ‘—–‡”‘•– ƒ–‘•’Š‡”‡ ‘ˆ –Š‡ •— –Šƒ– ‡š–‡†• ˆ‘” ‹ŽŽ‹‘• ‘ˆ ‹Ž‘‡–‡”• ƒ„‘˜‡ –Š‡ •—ǯ• •—”ˆƒ…‡Ǥ

Passage Perfect ‘” ƒ ‰”ƒ’Š like this where distinct regions ƒ”‡ †‡•…”‹„‡†ǡ ‹– …ƒ „‡ Š‡Ž’ˆ—Ž –‘ ƒ” —’ –Š‡ ‰”ƒ’Š with information ˆ”‘ –Š‡ ’ƒ••ƒ‰‡Ǥ ‘” ‡šƒ’Ž‡ǡ ‹ the photosphere ”‡‰‹‘ ›‘— ‹‰Š– ™”‹–‡ Dz†‡•‡•–ǡdz and in the corona ”‡‰‹‘ ›‘— ‹‰Š– write “least dense ƒ† Š‘––‡•–Ǥdz

‡ ™‘—Ž† ‡š’‡…– –Šƒ– –Š‡ ƒ–‘•’Š‡”‡ ‘ˆ –Š‡ •— •Š‘—Ž† „‡…‘‡…‘‘Ž‡” ™‹–Š ‹…”‡ƒ•‹‰ †‹•–ƒ…‡ ˆ”‘ ‹–• •—”ˆƒ…‡Ǥ ‘ –Š‡…‘–”ƒ”›ǡ ƒ• –Š‡ ‰”ƒ’Š ƒ„‘˜‡ •Š‘™•ǡ…‘”‘ƒŽ –‡’‡”ƒ–—”‡• ‹…”‡ƒ•‡ ™‹–Š ‹…”‡ƒ•‹‰ †‹•–ƒ…‡ ˆ”‘ –Š‡ •—ǯ• ˜‹•‹„Ž‡ ’Š‘–‘•’Š‡”‡ǡ ”‹•‹‰ –‘ ‘˜‡” ƒ ‹ŽŽ‹‘ †‡‰”‡‡•Ǥ Š‡ ‡…Šƒ‹• ”‡•’‘•‹„Ž‡ ˆ‘” –Š‹• Š‡ƒ–‹‰ ”‡ƒ‹• ƒ ˆ—†ƒ‡–ƒŽ “—‡•–‹‘ ‘ˆ ‘†‡” ƒ•–”‘’Š›•‹…•Ǥ Š”‡‡ •…‹‡–‹•–• †‹•…—•• –Š‡ Š‡ƒ–‹‰ ‡…Šƒ‹•Ǥ

ƒ‰‡–‹…’ƒ–…Š‡•Ǥ • ƒ‰‡–‹…ϐ‹‡Ž† Ž‹‡• ‹ –Š‡…‘”‘ƒ ‹–‡”ƒ…–ǡ –Š‡› —†‡”‰‘ ƒ ’”‘…‡•• called reconnection: they snap apart and –Š‡ ”‡…‘‡…–Ǥ Š‡ ”‡…‘‡…–‹‘ ”‡Ž‡ƒ•‡• ƒ –”‡‡†‘—• ƒ‘—– ‘ˆ Š‡ƒ– ƒ† ™ƒ˜‡ ‡‡”‰›ǡ …ƒ—•‹‰ –Š‡ Š‹‰Š…‘”‘ƒŽ –‡’‡”ƒ–—”‡•Ǥ Scientist 3 ‡—–”‘• ƒ”‡ ’”‘†—…‡† ‹ –Š‡ •—ǯ• ‹–‡”‹‘” –Š”‘—‰Š –Š‡”‘—…Ž‡ƒ” ”‡ƒ…–‹‘• ‹ –Š‡…‘”‡ ƒ† –Š‡ •–”‹’’‹‰ ‘ˆ…‘’Ž‡š ’ƒ”–‹…Ž‡• ƒ– –Š‡ •—”ˆƒ…‡Ǥ —‡ –‘ •‘Žƒ” ϐŽƒ”‡• ƒ† ‘–Š‡” ƒ‰‡–‹…’Š‡‘‡ƒǡ •‘‡ ‘ˆ –Š‡•‡ ‡—–”‘• ”‡ƒ…Š –Š‡ „ƒ•‡ ‘ˆ –Š‡ •—ǯ•…‘”‘ƒǤ ”‡‡ ‡—–”‘• Žƒ•– ƒ„‘—– ͳͷ ‹—–‡• „‡ˆ‘”‡ –Š‡› —†‡”‰‘ ”ƒ†‹‘ƒ…–‹˜‡ †‡…ƒ›ǡ…”‡ƒ–‹‰ ‡Ž‡…–”‘• ƒ• ‡‡”‰‡–‹…ƒ• ͲǤ͹ͺ ‡ Ǥ Š‡ –Š‡•‡ ˆƒ•– moving electrons collide with particles in the …‘”‘ƒǡ –Š‡› –”ƒ•ˆ‡” •‘‡ ‘ˆ –Š‡‹” ‡‡”‰›ǡ …ƒ—•‹‰ –Š‡ Š‹‰Š…‘”‘ƒŽ –‡’‡”ƒ–—”‡•Ǥ

Scientist 1 —•– ƒ„‘˜‡ –Š‡ •—”ˆƒ…‡ ‘ˆ –Š‡ •—ǡ ‹ –Š‡…Š”‘‘•’Š‡”‡ǡ –Š‡”‡ ƒ”‡ ƒ’’”‘š‹ƒ–‡Ž› ͳͲǡͲͲͲ ”‡‰‹‘• ‘ˆ ˜‹‘Ž‡–Ž› ”‘–ƒ–‹‰…‘Ž—• ‘ˆ Š›†”‘‰‡ ƒ† Š‡Ž‹— ‰ƒ•ǡ ‘” ˜‘”–‹…‡•Ǥ Š‡•‡ ˜‘”–‹…‡• ƒ”‡ Ž‹‡Ž› ’”‘†—…‡† „› ƒ‰‡–‹… ƒ…–‹˜‹–› ™‹–Š‹ –Š‡ •— –Šƒ– ‡š‡”–• ’”‡••—”‡ ‘ –Š‡ ’Žƒ•ƒ ‹ –Š‡ ƒ–‘•’Š‡”‡Ǥ ‘’—–‡” •‹—Žƒ–‹‘• •—‰‰‡•– –Šƒ– ’Žƒ•ƒ ’ƒ”–‹…Ž‡• trapped within the vortices are accelerated as –Š‡› •’‹”ƒŽ –‘™ƒ”† –Š‡…‘”‘ƒǤ Š‡ ƒ……‡Ž‡”ƒ–‡† plasma particles greatly increase the average •’‡‡† ‘ˆ –Š‡…‘”‘ƒŽ ’ƒ”–‹…Ž‡•ǡ ™Š‹…Š –”ƒ•Žƒ–‡• ‹–‘ Š‹‰Š‡”…‘”‘ƒŽ –‡’‡”ƒ–—”‡•Ǥ Scientist 2 ‘Žƒ” –‡Ž‡•…‘’‡• Šƒ˜‡ †‡–‡…–‡† ‹ŽŽ‹‘• ‘ˆ ƒ‰‡–‹…’ƒ–…Š‡• ‘ –Š‡ •—ǯ• ’Š‘–‘•’Š‡”‡Ǥ Š‡ ’ƒ–…Š‡•ǡ „‡–™‡‡ ͷͲ ƒ† ͳǡͲͲͲ ‹Ž‘‡–‡”• ™‹†‡ǡ ƒ”‡…‘•–ƒ–Ž›…Šƒ‰‹‰ ‹ •‹œ‡ ƒ† •Šƒ’‡ †—‡ –‘ –Š‡ –—”„—Ž‡– ‘˜‡‡– ‘ˆ –Š‡ ’Žƒ•ƒ ‹ –Š‡…Š”‘‘•’Š‡”‡Ǥ Š‡ ƒ‰‡–‹… ϐ‹‡Ž†• ‹ –Š‡ •—ǯ•…‘”‘ƒ…‘•–ƒ–Ž›…Šƒ‰‡ ƒ• they respond to changes in the photosphere