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What is a deep field image?

What is a deep field image?

The Hubble Deep Field (HDF) is an image of a small region in the constellation Ursa Major, constructed from a series of observations by the Hubble Space Telescope. By revealing such large numbers of very young galaxies, the HDF has become a landmark image in the study of the early universe.

How many deep field images are there?

The Hubble Deep Field image holds 342 separate exposures taken between December 18 and 28, 1995. The picture we see was assembled from blue, red, and infrared light. The combination of these images allows astronomers to infer the distance, age, and composition of the galaxies photographed.

Why is the Hubble Ultra Deep Field called deep?

Called the Hubble Ultra Deep Field, this galaxy-studded view represents a “deep” core sample of the universe, cutting across billions of light-years. These oddball galaxies chronicle a period when the universe was younger and more chaotic.

Where are your sinuses located diagram?

There are four pairs of sinuses, named for the bones that they’re located in: The maxillary sinuses are located on each side of your nose, near the cheek bones. The frontal sinuses are located above the eyes, near your forehead. The ethmoid sinuses are located on each side of the bridge of your nose, near your eyes.

How many stock photos are in the nasal cavity?

3,171 nasal cavity stock photos, vectors, and illustrations are available royalty-free.

What is the anatomy of the nasal passages?

Anatomy of the Nasal Passages. Slowing the inhaled airflow as it passes through the nasal passages allows time and provides enough surface area for the inhaled air to be warmed and moistened within fractions of a second before reaching the lungs.

Where is the nasal cavity on a CT scan?

The term “nasal cavity” can refer to each of the two fossae of the nose, or to the two sides combined. CT scan in the coronal plane, showing the ostiomeatal complex (green area). The lateral wall of each nasal cavity mainly consists of the maxilla.

What are the secretions on the inside of the nose?

Allergic Rhinitis: The inside of the nose is swollen and there is thick secretions. The turbinates are pale wit clear secretions. Pictured in these photographs is the space between the nasal septum and inferior turbinate.