Which word best describes a rectangle with diagonals that are perpendicular?
Space & NavigationWhat best describes a rectangle with diagonals that are perpendicular? If the diagonals of a quadrilateral are perpendicular, then it is a rhombus. False – diagonals don’t have to be congruent or bisect each other. The diagonals of a rectangle bisect its angles. What is it called when diagonals are perpendicular? Basic properties Opposite angles
Is the moon between the earth and the sun?
Space & NavigationDuring a lunar eclipse, Earth comes between the Sun and the Moon, blocking the sunlight falling on the Moon. There are two kinds of lunar eclipses: A total lunar eclipse occurs when the Moon and Sun are on opposite sides of Earth. A partial lunar eclipse happens when only part of Earth’s shadow covers the
Do nebulae have planets?
Space & NavigationA planetary nebula is a region of cosmic gas and dust formed from the cast-off outer layers of a dying star. Despite their name, planetary nebulae have nothing to do with planets. Can planets exist in a nebula? The answer would be yes. As the planet orbits its star that orbits the center of the
What shapes are all similar?
Space & NavigationJust like congruent shapes, all corresponding angles of similar shapes are equal. Equilateral triangles are similar. Notice that just like squares all corresponding angles in an equilateral triangles are equal. What shape is always similar? Specific types of triangles, quadrilaterals, and polygons will always be similar. For example, all equilateral triangles are similar and all
What is lunar eclipse and solar eclipse?
Space & NavigationTraditionally, eclipses are divided into two major types: solar and lunar. Solar eclipses occur when the Moon passes between Earth and the Sun, leaving a moving region of shadow on Earth’s surface. Lunar eclipses occur when Earth passes between the Sun and the Moon, casting a shadow on the Moon. What is lunar eclipse in
How many galaxies are in the Hubble Deep Field?
Space & NavigationThis view of nearly 10,000 galaxies is called the Hubble Ultra Deep Field. The snapshot includes galaxies of various ages, sizes, shapes, and colours. The smallest, reddest galaxies, about 100, may be among the most distant known, existing when the universe was just 800 million years old. How many galaxies are in Hubble Ultra Deep