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Ice Fishing for Cosmic Neutrinos

NSF, B. Gudbjartsson, IceCube Collaboration

Explanation: Scientists are melting holes in the bottom of the world. In fact, almost 100 holes melted near the South Pole are now being used as an astronomical observatory. Astronomers with the IceCube Neutrino Observatory lowered a long string knotted with basketball-sized light detectors into each vertical lake. The water in each hole soon refreezes. The detectors attached to the strings are sensitive to blue light emitted in the surrounding clear ice. Such light results from fast-moving secondary particles liberated when high-energy neutrinos emitted by powerful processes out in the universe collide with ice molecules. IceCube has now detected many illuminating neutrinos. Pictured in 2010, one of the last of IceCube's detector strings is lowered into the freezing abyss, making IceCube the largest neutrino detector ever created. In recognition of unprecedented discoveries, it was announced earlier this week that a founding leader of the IceCube Collaboration will be awarded the Nobel Prize in Physics.

Tomorrow's picture: Moons Planet

NASA Astronomy Pictures Archive (Past 30 Days)

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Comet PanSTARRs and Rainbow Meteor

03 Nov2026

A Long Cloud on Mars

02 Nov2026

Colors of the Moon

01 Nov2026

Night on a Spooky Planet

31 Oct2026

Haunting the Cepheus Flare

30 Oct2026

The Horns of Venus

29 Oct2026

The Mutual Occultation of Ganymede and Io

28 Oct2026

Noctilucent Clouds over Sweden

27 Oct2026

M42: The Great Nebula in Orion

26 Oct2026

Dark Matter in a Simulated Universe

25 Oct2026

Rosetta's Selfie

24 Oct2026

Andromeda in Southern Spring

23 Oct2026

The First Green Star, WD J1330+6435

22 Oct2026

New Ghosts Revealed in Cassiopeia

21 Oct2026

An Anticrepuscular Rainbow Fan

20 Oct2026

Treble Clef: Unusual X-ray Hot Radio Source

19 Oct2026

Sonified: Eagle Nebula Pillars

18 Oct2026

3D 67P

17 Oct2026

Chasing the International Space Station

16 Oct2026

The Milky Way over Manhattan

15 Oct2026

Mars and the Beehive Under an Aurora

14 Oct2026

Desert Stairway to Heaven

13 Oct2026

Jupiter and the Moons

12 Oct2026

Current Image

Ice Fishing for Cosmic Neutrinos

11 Oct2026

Lunar Farside

10 Oct2026

Stickney Crater

09 Oct2026

The Saturn System Smörgåsbord

08 Oct2026

Supernova Remnant Pa 30

07 Oct2026

A Complete Auroral Oval from SMILE

06 Oct2026

M104: The Sombrero Galaxy's Tidal Streams

05 Oct2026

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Praise and Gratitude be to Allah, The Lord of All Worlds. And Prayers and peace and greetings upon the most noble of the prophets and messengers Mohammad (sala lah alyh w aleh): Allah says in the Holy Koran (It is He who made the sun a shining light and the moon a derived light and determined for it phases - that you may know the number of years and account) ). Muslims has taken care of astronomy wide attention because of the close relationship of this science in the care of worship , including: knowledge of the time and direction of Qibla , especially after the overlap of Islamic civilization with other civilizations in the first era of Islam were Muslims gives scrutiny of things, and checked the things.

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