An domhain, An grian, An gealach Flashcards

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1
Q

Mínigh Realt

A

Corp a ghineann a cuid teas agus solas féin

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2
Q

Mínigh Plainéid

A

Rinne neimhe a fhitísionn a grian

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3
Q

3 creitéir i gcomhair planéid

A
  1. Caithfidh sé fhitsiú realt
  2. Cruth beagnach ciorcaileach agus a cuid imtarraingt féin.
  3. Reigiúin fhitíse glan.
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4
Q

Cén fath nach bhfuil ‘Pluto’ planéid

A

Tá corp eile nach bhfuil gealach in a reigiúin fhitíse, m.sh Eris

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5
Q

Mínigh gealach

A

Tá gealach shaitilit nádurtha de planéid

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6
Q

Mínigh astaróidh

A

Tá sé corp beag carraigeacha a fhitísionn an grian.

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7
Q

Mínigh cóimead

A

Tá cóimead liathróid sneachta smuiteach a fhitísionn an grian.

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8
Q

Cá bhfuil an crios astaróideach?

A

Idir Mars agus Iúpaitar

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9
Q

3 fianaise i gcomhair an ollphléasc

A
  1. Radaíocht Cúlra Chosmach
  2. Tá an chruinne ag forbairt de shíor.
  3. Chonaic muid an méid céanna eilimint i seanrealtaí agus sa luathchruinne.
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10
Q

Cé mhéad am a thógaint sé an domhain timpeall an grian

A

365.25 lá

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11
Q

Cé mhéad am a thógaint se an gealach dul timpeall an domhain

A

27.3 lá

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12
Q

Cén fath go bhfuil seasúr againn?

A

Tá an domhain claonta 23.5 céim

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13
Q

Mínigh timthriall an gealaí

A
  1. Corrán ag líonadh
  2. An Chéad Ceathrú
  3. Scothlán ag líonadh
  4. Ré lán
  5. Scothlán ag caitheamh
  6. An Triú Ceathrú
  7. Corráin ag caitheamh
  8. Ré nua
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14
Q

Mínigh úrú an gealach

A

Thagann an domhain idir an grian agus an gealach

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15
Q

Mínigh úrú an grian

A

Thagann an gealach idir an domhain agus an grian

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16
Q

3 buntáiste de taiscéalaíocht spás

A
  1. Grianphanéil éifeachtach
  2. Satailítí
  3. Córáis glanuisce
17
Q

2 dainséar le taiscealaíocht spás.

A
  1. Pleascadh
18
Q

Cén fáth go bhfuil culaith spásaire óráiste?

A

Má tharlaíonn timpiste, tá sé níos easca an corp a féicéail.

19
Q

Cén fáth go bhfuil culaith spásaire bán?

A

Léiríonn bán teas níos fearr ná aon dath eile.