Posted on April 22, 2022 (Updated on July 9, 2025)
What does a concave mirror do to light rays?
Space & NavigationWhen parallel light rays hit a concave mirror they reflect inwards towards a focal point (F). Each individual ray is still reflecting at the same angle as it hits that small part of the surface. What does a convex mirror do to light rays? A convex mirror or better called as a diverging mirror diverges
Posted on April 22, 2022 (Updated on July 9, 2025)
What is the temperature of the coldest star?
Space & NavigationWith surface temperatures hovering around 206 degrees F (97 degrees C), the newfound star is the coldest brown dwarf seen to date. What is the color of the coldest star? red The colour provides a fundamental piece of data in stellar astrophysics—the surface temperature of the star. The hottest stars are blue and the coldest
Posted on April 22, 2022 (Updated on July 9, 2025)
Is the solar eclipse real?
Space & NavigationTotal solar eclipses are rare events. Although they occur somewhere on Earth every 18 months on average, it is estimated that they recur at any given place only once every 360 to 410 years, on average. Is solar eclipse a real thing? A solar eclipse occurs when the moon gets between Earth (opens in new
Posted on April 22, 2022 (Updated on July 9, 2025)
Which of the logical operators are considered short circuit operators?
Space & NavigationWhat are short-circuit logical operators called? Logical AND or conditional AND operator is called short-circuit operator because it conditionally evaluates its second operand. If the first operand evaluates to false, the value of the expression is false, regardless of the value of the second operand. Which is short-circuit or operator? The || OR operator is
Posted on April 22, 2022 (Updated on July 9, 2025)
How do you plant arum lilies?
Space & NavigationArum bulbs are planted at the beginning of spring, around 1 ½ to 2 inches deep, from March to May. Space tubers around 12 to 16 inches (30 to 40 cm) apart, because arum has wide-reaching leaves and needs space. Choose a location that is in full sun but stays cool. Where is the best
Posted on April 22, 2022 (Updated on July 9, 2025)
What is Radius and example?
Space & NavigationThe definition of a radius is a circular limit or a boundary of a specific distance which is drawn from a specific point. An example of radius is a restaurant located within five miles of a house. What is the example of radius of a circle? radius is always half the length of its diameter.