2024 Tus sau: Elizabeth Oswald | [email protected]. Kawg hloov kho: 2024-01-13 00:07
Nyob hauv daim duab, Lub Ntiaj Teb, Carl Saganhais tias, tsuas yog "mote ntawm plua plav suspended hauv lub hnub ci." Yog li ntawd, peb xav txog qhov tsis tseem ceeb ntawm peb lub tsev. Cov duab no tau tshoov siab rau Sagan los sau nws phau ntawv "The Pale Blue Dot," thiab nws tseem ua rau tib neeg muaj kev vam meej.
hmoov av yog dab tsi?
: a me particle: speck a motte of dust.
Cov lus ntawm Carl Sagan cov ntawv sau Pale Blue Dot yog dab tsi?
"Lub Pale Blue" dot. rays of light yog artifacts on the photo from the Sun. NASA Sagan tom qab ntawd yuav sau txog daim duab - thiab lub ntsiab lus tob uas nws tau khaws los ntawm nws - hauv nws phau ntawv xyoo 1994, "Pale Blue Dot: Lub Zeem Muag ntawm Tib Neeg Yav Tom Ntej hauv Chaw."
Dab xim xiav dot yog dab tsi thiab vim li cas nws tseem ceeb rau peb?
Lub Pale Blue Dot yog daim duab ntawm Lub Ntiaj Teb tau muab Lub Ob Hlis 14, 1990, los ntawm NASA's Voyager 1 ntawm qhov deb ntawm 3.7 billion mais (6 billion kilometers) los ntawm lub hnub. Daim duab no tau tshoov siab lub npe ntawm tus kws tshawb fawb Carl Sagan phau ntawv, "Pale Blue Dot: Lub Zeem Muag ntawm Tib Neeg Yav Tom Ntej Hauv Chaw," uas nws tau sau tias: "Saib dua ntawm qhov dot.
Thaum twg Carl Sagan sau Pale Blue Dot?
Pale Blue Dot: Lub zeem muag ntawm tib neeg lub neej yav tom ntej hauv Chaw yog phau ntawv 1994 phau ntawv los ntawm astronomer Carl Sagan. Nws yog qhov sequel rau Sagan xyoo 1980 phau ntawv Cosmos thiab tau txais kev tshoov siab los ntawm lub npe nrov xyoo 1990 Pale Blue Dot duab, uas Saganmuab cov lus piav qhia zoo heev.
Pom zoo:
Plua plav hoffman hnub nyoog pes tsawg?
Dustin Lee Hoffman yog Asmeskas tus neeg ua yeeb yam thiab ua yeeb yaj kiab. Nws yog lub npe hu rau nws ntau yam portrayals ntawm antiheroes thiab kev xav tsis zoo cov cim. Tus neeg ua yeeb yam Robert De Niro tau piav qhia nws tias "tus neeg ua yeeb yam nrog txhua tus neeg lub ntsej muag uas ua rau tib neeg lub siab tawg.
Thaum twg tshiab dacia plua plav tawm?
Tus tshiab Dacia Duster muaj rau xaj tam sim no, nrog thawj cov khoom xa tuaj nyob rau hauv Cuaj hlis xyoo no. Thaum twg Dacia Duster tawm tshiab? Nws tau qhia txij li Lub Peb Hlis 2010, thiab yog tus qauv thib peb ntawm Dacia hom raws li Logan platform, tom qab Sandero.
Lub thawv plua plav pov tseg nyob rau hauv qhov twg?
Cov hmoov ntau yog qhov zoo tshaj plaws muab tso rau hauv nruj, lub qhov ncauj dav lub khob ntimkom muaj peev xwm tiv thaiv qhov siab tshaj plaws ntawm huab cua thiab tiv thaiv kom tsis txhob poob ntawm cov khoom tsis haum. Plua plav hmoov yog impalpable hmoov npaj rau tshuaj pleev ib ce.
Puas yog huab cua muaj plua plav npog los ntawm coshh?
A plua plav yog suav tias yog cov khoom muaj kev phom sij rau kev noj qab haus huv nyob rau hauv COSHH yog tias nws nyob ntawm qhov sib npaug ntawm huab cua sib npaug lossis ntau dua 10mg / m3 (rau cov plua plav nqus tau) lossis 4mg / m3 (rau cov plua plav ua pa) ua rau muaj kev phom sij rau kev noj qab haus huv.
Puas plua plav tawm?
-siv tham txog yuav ua li cas tshwm sim thaum tej yam meej meej los yog nyob twj ywm tom qab lub sij hawm hloov los yog tsis meej pem Kuv mam li hu rau koj sai li sai tau thaum lub plua plav tawm ntawm qhovtxav mus. Thaum cov plua plav tawm thiab cov pov npav tau rov hais dua, nws tau yeej qhov kev xaiv tsa.
