Rays

Yes, placing an x-ray or gamma-ray telescope on a mountaintop can be beneficial as higher altitudes can reduce atmospheric interference, providing clearer observations of these high-energy wavelengths from space. Additionally, the remote location can minimize light pollution and electromagnetic interference, enhancing the telescope's sensitivity and accuracy.

They tend to like the same things as any other ray, I currently have two in my 180 gallon tank and they seem to enjoy bloodworms when their juveniles but after they get up to around 8" in disk they eat raw pealed shrimp or even frozen coctail shrimp, and my girl loves regular store bought tuna that's in those airpacked packages( cheapest thing they eat) male eats it to but she swims strait for it everytime.( note if you feed them tuna try to get them larger pieces so that it doesnt just float around and much up the water.

Manta rays do not have a specific shelter like some other marine animals; instead, they often seek refuge in open water or near the ocean floor. They may use coral reefs or underwater structures for protection from predators. Additionally, they often gather in cleaning stations where smaller fish remove parasites, providing both a social interaction and a safe environment. Overall, their behavior centers around open water rather than a designated shelter.

The tail is called a barb. It has poison that can be deadly.

Stingrays are not typically aggressive, but they may sting if they feel threatened or accidentally stepped on. Their primary line of defense is their venomous tail spine, which they use in self-defense when they perceive a threat. It's important to give stingrays space and avoid stepping on them to prevent accidental encounters.

Stingrays are opportunistic predators that mainly hunt by lying in wait for their prey to come close, then using their powerful jaws to capture and eat it. They feed on a variety of small fish, crustaceans, and mollusks that they find in the sandy or muddy bottoms of the ocean. When hunting, stingrays use their electroreceptor organs to detect the electrical signals given off by their prey's muscles.

If a human is stung by a stingray, it can be very painful and may cause swelling, bleeding, muscle cramps, and even possible tissue damage. In some cases, the venom from the sting can lead to more severe symptoms requiring immediate medical attention, such as difficulty breathing or changes in heart rate.

"Many rays have jaw teeth to enable them to crush mollusks such as clams, oysters, and mussels."

http://animals.nationalgeographic.com/animals/fish/stingray/

"They have a dental plate with a row of small, flat teeth"

http://edventures.phoenixzoo.org/pStingrayBay.html

So yes they do

Stingrays are found in the class Chondrichthyes, which consists of cartilaginous fish. They are closely related to sharks and skates, sharing similar characteristics such as having a skeleton made of cartilage instead of bone.

Stingrays are typically calm and docile creatures that spend much of their time resting on the ocean floor. They use their streamlined bodies to gracefully glide through the water, and can display curious behavior towards humans when approached. However, they may defend themselves if they feel threatened by using their venomous tail barb.

Stingrays navigate through the ocean using a combination of senses, including their keen sense of smell and electroreception, which allows them to detect the electrical signals produced by other animals. They also rely on their excellent sense of touch to feel their surroundings and find food. Additionally, stingrays use landmarks and ocean currents to help them navigate their environment.

Steve Irwin got that close to stingrays as part of his passion for wildlife conservation and education. He believed in providing up-close experiences with animals to help people better understand and appreciate them. Unfortunately, his tragic encounter with a stingray led to his untimely death.

Stingrays typically have a gestation period of 4-12 months, depending on the species. They have a relatively low reproductive rate, with most stingrays giving birth to only one or two pups at a time. This results in stingrays reproducing infrequently compared to other marine animals.

Yes, stingrays have brains. Like other vertebrates, they have a central nervous system including a brain that coordinates their physical activities and behaviors. The brain of a stingray is relatively simple compared to some other animals.

A stingray feels smooth and slimy to the touch, with a rubbery texture. Their skin is covered in tiny, tooth-like structures known as denticles that help protect them from predators. Additionally, their bodies are typically cold to the touch as they are cold-blooded animals.

the stingray has 2 poisonous barbs on its tail.

To dissect a stingray, first secure the specimen on a dissection pan. Use a scalpel to make an incision along the ventral side of the stingray to open it up. Examine and identify the internal organs such as the heart, digestive system, and gills.

Stingrays defend themselves by using their sharp, barbed tail stinger to deliver a painful venomous sting to potential threats. They will typically only use their stingers in self-defense when they feel threatened or cornered. Additionally, stingrays have excellent camouflage abilities which help them blend into their environment and avoid predators.

Gamma ray bursts (GRBs) are relatively rare cosmic events. On average, about one GRB is detected each day in the observable universe. However, these events are unpredictable and can vary in frequency.

Southern stingrays have an average lifespan of 15-25 years in the wild. However, some individuals have been known to live up to 30 years or more in captivity with proper care.

Southern stingrays are typically not harmful to humans unless they feel threatened or are accidentally stepped on. Their primary defense mechanism is their venomous tail, so it is essential to avoid disturbing them or stepping on them to prevent any potential injuries. It's best to admire them from a distance while snorkeling or diving.

Stingrays use their snouts to detect food buried in the sand or mud at the bottom of the ocean. The snouts have specialized electroreceptors that help them locate prey through electrical signals. Additionally, stingrays use their snouts for digging and sifting through sediment to find food.

Stingrays are generally not aggressive towards humans unless provoked or accidentally stepped on. They are known to be gentle and docile creatures when left undisturbed in their natural habitat. It is important to respect their space and avoid sudden movements when encountering them in the wild.

No, communicating with satellites typically uses radio waves, not gamma rays. Gamma rays are a form of high-energy electromagnetic radiation that are more commonly used in medical imaging, scientific research, and some industrial applications, but not for satellite communication.

Yes, a majority of gamma rays are blocked by the Earth's atmosphere. The atmosphere acts as a shield against the harmful effects of gamma rays by absorbing and scattering them. Only a small fraction of gamma rays from space can penetrate into Earth's atmosphere.