MARS – a dusty, cold, desert world with a very thin atmosphere
Mars is the fourth planet from the Sun – a dusty, cold, desert world with a very thin atmosphere. Mars is also a dynamic planet with seasons, polar ice caps, […]
Author Archives: Valerie Njee
The little Mars Helicopter That Could . . .
Ingenuity has made nine flights on Mars! Flight 9, which occurred in July 2021, was unlike the flights that came before it. It broke our records for flight duration and […]
The SpaceX crew dragon spaceship
With its sleek design and growing reputation, anticipation for the first launch of SpaceX’s Crew Dragon spaceship with astronauts on board continues to build. Crew Dragon is a passenger version of the […]
How to calculate Stellar Parallax
How to calculate the Stellar distance For the star in Figure 1, the parallax angle – P is half the distance moved by the star between photos. parallax angle – P The […]
Projection of Solar Eclipse Using a Simple Experiment
Projecting the Sun Avoid looking directly at the Sun without proper eye protection. You can seriously hurt your eyes and even experience instant bright light blindness. Projecting the Sun through […]
How to avoid looking directly into Sunlight
Depending on the distance or angle from intensive sunlight reflection, the effect of UV radiation can actually burn the retinas of the eyes leading to discoloration for a period of […]
How to make a Box Pinhole Projector
Using a Box Projector This type of pinhole projector works on the same principle as a basic pinhole projector. However, the box makes this projector much sturdier and easier to […]
What are the Characteristics of a Volcanic Mountain?
The five characteristics of a Volcanic mountain are – Eruption Explosion Expansion Emulsification Crater when the mountain is in an active state, the temperature is extremely hot with temperature ranging […]
Saturn’s Rings and their Distals
The Pioneer Saturn flyby in 1979 made several new discoveries about the rings: The rings consist largely of particles several centimeters in diameter. They are extremely cold and possibly composed […]
Facts About Saturn Moons
As telescopic resolution power increased through the 19th century, Saturn’s family of known moons grew widely. In 1966 Epimetheus and Janus moons were discovered. By the time Cassini-Huygens was launched […]
AEROSPACE and ASTRONAUTICS 