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Equatorial mounts allow astronomers to point telescopes at the same celestial object for longer times while compensating for Earth's rotation in an easy way. The axis of an equatorial mount is parallel to Earth's surface when observing stars at Earth's equator – but perpendicular to it when observing from one of Earth's poles.
Ellen Eliza Fitz was born in 1835 in Kingston, New Hampshire.When she was a child, she moved to Massachusetts and grew up in Lynnfield and Newton.She grew to be scholarly and curious, spending most of her time as a teenager translating classical texts, such as the Eclogues of Virgil and publishing poetry. [1]
A globe is a spherical model of Earth, of some other celestial body, or of the celestial sphere. Globes serve purposes similar to maps, but, unlike maps, they do not distort the surface that they portray except to scale it down. A model globe of Earth is called a terrestrial globe. A model globe of the celestial sphere is called a celestial globe.
Medieval artistic representation of a spherical Earth – with compartments representing earth, air, and water (c. 1400) The Erdapfel, the oldest surviving terrestrial globe (1492/1493) The spherical shape of the Earth was known and measured by astronomers, mathematicians, and navigators from a variety of literate ancient cultures, including ...
[3] [4] As with most globes, it is mounted at a 23.5 degree angle, the same axial tilt as the Earth itself; thus the equator is diagonal to the floor. It uses a cantilever mount with two motors, and simulates one day's revolution and rotation every 18 minutes, though it is possible for the motors to fully rotate the globe in as little as one ...
The 2025 awards season is in full swing, and the Golden Globes will soon be here. The 2025 Golden Globes, hosted by Nikki Glaser, will air live on CBS on Sunday, Jan. 5 at 5 p.m. PT/8 p.m. ET. The ...
If you’re stuck on today’s Wordle answer, we’re here to help—but beware of spoilers for Wordle 1250 ahead. Let's start with a few hints.
This globe is an interesting example of how celestial globes demonstrate both the scientific and the artistic talents of those who make them. All forty-eight classical constellations used in Ptolemy's Almagest are represented on the globe, meaning it could then be used in calculations for astronomy and astrology, such as navigation, time ...