Nombre total de pages vues

296175
Affichage des articles dont le libellé est ASTRONOMY - Lunar Dust and Duct Tape. Afficher tous les articles
Affichage des articles dont le libellé est ASTRONOMY - Lunar Dust and Duct Tape. Afficher tous les articles

28/03/2025

ASTRONOMY - Lunar Dust and Duct Tape

 2025 March 28

See Explanation.  Clicking on the picture will download
the highest resolution version available.

Lunar Dust and Duct Tape
Image Credit: Apollo 17NASA

Explanation: Why is the Moon so dusty? On Earth, rocks are weathered by wind and water, creating soil and sand. On the Moon, eons of constant micrometeorite bombardment have blasted away at the rocky surface creating a layer of powdery lunar soil or regolith. For the Apollo astronauts and their equipment, the pervasive, fine, gritty dust was definitely a problem. On the lunar surface in December 1972, Apollo 17 astronauts Harrison Schmitt and Eugene Cernan needed to repair one of their rover's fenders in an effort to keep the rooster tails of dust away from themselves and their gear. This picture reveals the wheel and fender of their dust covered rover along with the ingenious application of spare maps, clamps, and a grey strip of "duct tape".

14/12/2022

ASTRONOMY - Lunar Dust and Duct Tape

 2022 December 14

See Explanation.  Clicking on the picture will download
the highest resolution version available.

Lunar Dust and Duct Tape
Image Credit: Apollo 17NASA

Explanation: Why is the Moon so dusty? On Earth, rocks are weathered by wind and water, creating soil and sand. On the Moon, the history of constant micrometeorite bombardment has blasted away at the rocky surface creating a layer of powdery lunar soil or regolith. For the Apollo astronauts and their equipment, the pervasive, fine, gritty dust was definitely a problem. Fifty years ago, on the lunar surface in December 1972, Apollo 17 astronauts Harrison Schmitt and Eugene Cernan needed to repair one of their rover's fenders in an effort to keep the rooster tails of dust away from themselves and their gear. This picture reveals the wheel and fender of their dust covered rover along with the ingenious application of spare maps, clamps, and a grey strip of "duct tape".

29/05/2021

ASTRONOMY - Lunar Dust and Duct Tape

 2021 May 29

See Explanation.  Clicking on the picture will download
the highest resolution version available.

Lunar Dust and Duct Tape
Image Credit: Apollo 17NASA

Explanation: Why is the Moon so dusty? On Earth, rocks are weathered by wind and water, creating soil and sand. On the Moon, the history of constant micrometeorite bombardment has blasted away at the rocky surface creating a layer of powdery lunar soil or regolith. For the Apollo astronauts and their equipment, the pervasive, fine, gritty dust was definitely a problem. On the lunar surface in December 1972, Apollo 17 astronauts Harrison Schmitt and Eugene Cernan needed to repair one of their rover's fenders in an effort to keep the rooster tails of dust away from themselves and their gear. This picture reveals the wheel and fender of their dust covered rover along with the ingenious application of spare maps, clamps, and a grey strip of "duct tape".

ANIMAUX - "Macaque à queue de lion

Ce n'est pourtant pas sa tête auréolée d'une incroyable et soyeuse crinière de poils gris qui lui vaut le surnom de macaque à queue ...