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Gamma Ray Burst GRB090423B was a gamma-ray burst detected by the Swift satellite on 29th April 2009. Optical and infrared imaging of the event in the first few hours was used to infer a photometric redshift of z≈9.4. If this redshift is accurate, it makes it the most distant GRB found to date, although the nature of the analysis means that there is quite a large range of uncertainty, and the redshift may be as low as z≈7.

Ombre

Ombre is a card game for three players.^[1]

It is played with a 40 card deck.^[2]

References

^ Parlett, David (1987). The Penguin book of card games. London: Treasure. p. 104. ISBN 1850512213.
^ Parlett, David (1987). The Penguin book of card games. London: Treasure. p. 105. ISBN 1850512213.

[Parlett87-1] Parlett, David (1987). The Penguin book of card games. London: Treasure. p. 104. ISBN 1850512213.

[Parlett87b-2] Parlett, David (1987). The Penguin book of card games. London: Treasure. p. 105. ISBN 1850512213.

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