This PowerPoint is one small part of the Astronomy Topics unit from www.sciencepowerpoint.com. This unit consists of a five part 3000+ slide PowerPoint roadmap, 12 page bundled homework package, modified homework, detailed answer keys, 8 pages of unit notes for students who may require assistance, follow along worksheets, and many review games. The homework and lesson notes chronologically follow the PowerPoint slideshow. The answer keys and unit notes are great for support professionals. The activities and discussion questions in the slideshow and meaningful. The PowerPoint includes built-in instructions, visuals, and follow up questions. Also included are critical class notes (color coded red), project ideas, video links, and review games. This unit also includes four PowerPoint review games (110+ slides each with Answers), 38+ video links, lab handouts, activity sheets, rubrics, materials list, templates, guides, and much more. Also included is a 190 slide first day of school PowerPoint presentation. Teaching Duration = 5+ weeks. Areas of Focus in the Astronomy Topics Unit: The Solar System and the Sun, Order of the Planets, Our Sun, Life Cycle of a Star, Size of Stars, Solar Eclipse, Lunar Eclipse, The Inner Planets, Mercury, Venus, Earth, Moon, Craters, Tides, Phases of the Moon, Mars and Moons, Rocketry, Asteroid Belt, NEOs, The Torino Scale, The Outer Planets and Gas Giants, Jupiter / Moons, Saturn / Moons, Uranus / Moons, Neptune / Moons, Pluto's Demotion, The Kuiper Belt, Oort Cloud, Comets / Other, Beyond the Solar System, Types of Galaxies, Blackholes, Extrasolar Planets, The Big Bang, Dark Matter, Dark Energy, The Special Theory of Relativity, Hubble Space Telescope, Constellations, spacetime and much more. If you have any questions please feel free to contact me. Thanks again and best wishes. Sincerely, Ryan Murphy M.Ed www.sciencepowerpoint@gmail.com
This PowerPoint is one small part of the Astronomy Topics unit from www.sciencepowerpoint.com. This unit consists of a five part 3000+ slide PowerPoint roadmap, 12 page bundled homework package, modified homework, detailed answer keys, 8 pages of unit notes for students who may require assistance, follow along worksheets, and many review games. The homework and lesson notes chronologically follow the PowerPoint slideshow. The answer keys and unit notes are great for support professionals. The activities and discussion questions in the slideshow and meaningful. The PowerPoint includes built-in instructions, visuals, and follow up questions. Also included are critical class notes (color coded red), project ideas, video links, and review games. This unit also includes four PowerPoint review games (110+ slides each with Answers), 38+ video links, lab handouts, activity sheets, rubrics, materials list, templates, guides, and much more. Also included is a 190 slide first day of school PowerPoint presentation. Teaching Duration = 5+ weeks. Areas of Focus in the Astronomy Topics Unit: The Solar System and the Sun, Order of the Planets, Our Sun, Life Cycle of a Star, Size of Stars, Solar Eclipse, Lunar Eclipse, The Inner Planets, Mercury, Venus, Earth, Moon, Craters, Tides, Phases of the Moon, Mars and Moons, Rocketry, Asteroid Belt, NEOs, The Torino Scale, The Outer Planets and Gas Giants, Jupiter / Moons, Saturn / Moons, Uranus / Moons, Neptune / Moons, Pluto's Demotion, The Kuiper Belt, Oort Cloud, Comets / Other, Beyond the Solar System, Types of Galaxies, Blackholes, Extrasolar Planets, The Big Bang, Dark Matter, Dark Energy, The Special Theory of Relativity, Hubble Space Telescope, Constellations, spacetime and much more. If you have any questions please feel free to contact me. Thanks again and best wishes. Sincerely, Ryan Murphy M.Ed www.sciencepowerpoint@gmail.com
Moon Phases:
The moon's phases refer to the different appearances of the moon as observed from Earth during its orbit around our planet. These phases are primarily determined by the relative positions of the Earth, the moon, and the sun. As the moon orbits the Earth, different portions of its surface are illuminated by sunlight, resulting in the various phases we observe.
1. New Moon:
The new moon occurs when the moon is positioned between the Earth and the sun, with its illuminated side facing away from Earth. From our perspective, the moon appears dark and invisible in the night sky. This marks the beginning of a new lunar cycle.
2. Waxing Crescent:
Following the new moon, a small sliver of the moon becomes visible as sunlight gradually illuminates its surface. This phase is known as the waxing crescent. It appears as a thin crescent shape in the western sky after sunset.
3. First Quarter:
During the first quarter phase, the moon has completed approximately one-quarter of its orbit around the Earth. Half of the moon's surface is illuminated by sunlight, creating a half-moon shape. This phase is often referred to as the waxing half or the half moon.
4. Waxing Gibbous:
As the moon continues to orbit, more of its surface becomes illuminated by sunlight. The waxing gibbous phase occurs when the illuminated portion of the moon is greater than half but not yet full. It appears as a bulging, almost full moon in the night sky.
5. Full Moon:
The full moon occurs when the Earth is positioned directly between the sun and the moon, with the moon's entire illuminated side facing Earth. This phase marks the midpoint of the lunar cycle and is characterized by a fully illuminated, round shape. The full moon is often associated with cultural and religious significance and is the brightest phase of the lunar cycle.
6. Waning Gibbous:
Following the full moon, the moon begins to wane or decrease in illumination. The waning gibbous phase occurs when the illuminated portion of the moon is greater than half but gradually diminishing. It appears as a shrinking, nearly full moon in the night sky.
7. Third Quarter:
During the third quarter phase, the moon has completed approximately three-quarters of its orbit around the Earth. Half of the moon's surface is illuminated, but this time, the opposite half compared to the first quarter phase. It is often referred to as the waning half or the half moon.
8. Waning Crescent:
The waning crescent phase marks the final stage of the lunar cycle before the new moon. Only a small portion of the moon's surface is illuminated by sunlight, appearing as a thin crescent shape in the eastern sky before sunrise. This phase gradually transitions into the new moon, completing the lunar cycle.
These phases repeat in a continuous cycle, with each complete cycle lasting approximately 29.5 days, known as a synodic month. The moon's phases have significant cultural, religious, and scientific importance,
8 phases of the moon
New Moon
Waxing Crescent Moon
First Quarter Moon
Waxing Gibbous Moon
Full Moon
Waning Gibbous Moon
Third Quarter Moon
Waning Crescent
IN THIS PRESENTATION, WE ARE STUDY ABOUT THE PHASES OF MOON AND EXPLAIN IT.
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(May 29th, 2024) Advancements in Intravital Microscopy- Insights for Preclini...Scintica Instrumentation
Intravital microscopy (IVM) is a powerful tool utilized to study cellular behavior over time and space in vivo. Much of our understanding of cell biology has been accomplished using various in vitro and ex vivo methods; however, these studies do not necessarily reflect the natural dynamics of biological processes. Unlike traditional cell culture or fixed tissue imaging, IVM allows for the ultra-fast high-resolution imaging of cellular processes over time and space and were studied in its natural environment. Real-time visualization of biological processes in the context of an intact organism helps maintain physiological relevance and provide insights into the progression of disease, response to treatments or developmental processes.
In this webinar we give an overview of advanced applications of the IVM system in preclinical research. IVIM technology is a provider of all-in-one intravital microscopy systems and solutions optimized for in vivo imaging of live animal models at sub-micron resolution. The system’s unique features and user-friendly software enables researchers to probe fast dynamic biological processes such as immune cell tracking, cell-cell interaction as well as vascularization and tumor metastasis with exceptional detail. This webinar will also give an overview of IVM being utilized in drug development, offering a view into the intricate interaction between drugs/nanoparticles and tissues in vivo and allows for the evaluation of therapeutic intervention in a variety of tissues and organs. This interdisciplinary collaboration continues to drive the advancements of novel therapeutic strategies.
Slide 1: Title Slide
Extrachromosomal Inheritance
Slide 2: Introduction to Extrachromosomal Inheritance
Definition: Extrachromosomal inheritance refers to the transmission of genetic material that is not found within the nucleus.
Key Components: Involves genes located in mitochondria, chloroplasts, and plasmids.
Slide 3: Mitochondrial Inheritance
Mitochondria: Organelles responsible for energy production.
Mitochondrial DNA (mtDNA): Circular DNA molecule found in mitochondria.
Inheritance Pattern: Maternally inherited, meaning it is passed from mothers to all their offspring.
Diseases: Examples include Leber’s hereditary optic neuropathy (LHON) and mitochondrial myopathy.
Slide 4: Chloroplast Inheritance
Chloroplasts: Organelles responsible for photosynthesis in plants.
Chloroplast DNA (cpDNA): Circular DNA molecule found in chloroplasts.
Inheritance Pattern: Often maternally inherited in most plants, but can vary in some species.
Examples: Variegation in plants, where leaf color patterns are determined by chloroplast DNA.
Slide 5: Plasmid Inheritance
Plasmids: Small, circular DNA molecules found in bacteria and some eukaryotes.
Features: Can carry antibiotic resistance genes and can be transferred between cells through processes like conjugation.
Significance: Important in biotechnology for gene cloning and genetic engineering.
Slide 6: Mechanisms of Extrachromosomal Inheritance
Non-Mendelian Patterns: Do not follow Mendel’s laws of inheritance.
Cytoplasmic Segregation: During cell division, organelles like mitochondria and chloroplasts are randomly distributed to daughter cells.
Heteroplasmy: Presence of more than one type of organellar genome within a cell, leading to variation in expression.
Slide 7: Examples of Extrachromosomal Inheritance
Four O’clock Plant (Mirabilis jalapa): Shows variegated leaves due to different cpDNA in leaf cells.
Petite Mutants in Yeast: Result from mutations in mitochondrial DNA affecting respiration.
Slide 8: Importance of Extrachromosomal Inheritance
Evolution: Provides insight into the evolution of eukaryotic cells.
Medicine: Understanding mitochondrial inheritance helps in diagnosing and treating mitochondrial diseases.
Agriculture: Chloroplast inheritance can be used in plant breeding and genetic modification.
Slide 9: Recent Research and Advances
Gene Editing: Techniques like CRISPR-Cas9 are being used to edit mitochondrial and chloroplast DNA.
Therapies: Development of mitochondrial replacement therapy (MRT) for preventing mitochondrial diseases.
Slide 10: Conclusion
Summary: Extrachromosomal inheritance involves the transmission of genetic material outside the nucleus and plays a crucial role in genetics, medicine, and biotechnology.
Future Directions: Continued research and technological advancements hold promise for new treatments and applications.
Slide 11: Questions and Discussion
Invite Audience: Open the floor for any questions or further discussion on the topic.
Earliest Galaxies in the JADES Origins Field: Luminosity Function and Cosmic ...Sérgio Sacani
We characterize the earliest galaxy population in the JADES Origins Field (JOF), the deepest
imaging field observed with JWST. We make use of the ancillary Hubble optical images (5 filters
spanning 0.4−0.9µm) and novel JWST images with 14 filters spanning 0.8−5µm, including 7 mediumband filters, and reaching total exposure times of up to 46 hours per filter. We combine all our data
at > 2.3µm to construct an ultradeep image, reaching as deep as ≈ 31.4 AB mag in the stack and
30.3-31.0 AB mag (5σ, r = 0.1” circular aperture) in individual filters. We measure photometric
redshifts and use robust selection criteria to identify a sample of eight galaxy candidates at redshifts
z = 11.5 − 15. These objects show compact half-light radii of R1/2 ∼ 50 − 200pc, stellar masses of
M⋆ ∼ 107−108M⊙, and star-formation rates of SFR ∼ 0.1−1 M⊙ yr−1
. Our search finds no candidates
at 15 < z < 20, placing upper limits at these redshifts. We develop a forward modeling approach to
infer the properties of the evolving luminosity function without binning in redshift or luminosity that
marginalizes over the photometric redshift uncertainty of our candidate galaxies and incorporates the
impact of non-detections. We find a z = 12 luminosity function in good agreement with prior results,
and that the luminosity function normalization and UV luminosity density decline by a factor of ∼ 2.5
from z = 12 to z = 14. We discuss the possible implications of our results in the context of theoretical
models for evolution of the dark matter halo mass function.
Seminar of U.V. Spectroscopy by SAMIR PANDASAMIR PANDA
Spectroscopy is a branch of science dealing the study of interaction of electromagnetic radiation with matter.
Ultraviolet-visible spectroscopy refers to absorption spectroscopy or reflect spectroscopy in the UV-VIS spectral region.
Ultraviolet-visible spectroscopy is an analytical method that can measure the amount of light received by the analyte.
Professional air quality monitoring systems provide immediate, on-site data for analysis, compliance, and decision-making.
Monitor common gases, weather parameters, particulates.
Richard's entangled aventures in wonderlandRichard Gill
Since the loophole-free Bell experiments of 2020 and the Nobel prizes in physics of 2022, critics of Bell's work have retreated to the fortress of super-determinism. Now, super-determinism is a derogatory word - it just means "determinism". Palmer, Hance and Hossenfelder argue that quantum mechanics and determinism are not incompatible, using a sophisticated mathematical construction based on a subtle thinning of allowed states and measurements in quantum mechanics, such that what is left appears to make Bell's argument fail, without altering the empirical predictions of quantum mechanics. I think however that it is a smoke screen, and the slogan "lost in math" comes to my mind. I will discuss some other recent disproofs of Bell's theorem using the language of causality based on causal graphs. Causal thinking is also central to law and justice. I will mention surprising connections to my work on serial killer nurse cases, in particular the Dutch case of Lucia de Berk and the current UK case of Lucy Letby.
2. WHY DO WE HAVE PHASES?
• Have you ever wondered why you can only see a certain part of the moon each night? It’s
because, just like the Earth, our moon orbits. But instead of orbiting the Sun like the
planets, the moon orbits the Earth. The part of the moon we see relates to where the
moon is in its orbit and how the sunlight reflects and shines on the part of the moon we
see. Each slide will explain each type of moon phase and its location.
3. NEW MOON
• A new moon occurs when the moon is between the Earth and the Sun. The illuminated
part of the moon is on the back side closest to the Sun. This means from Earth, we do not
see the moon because we only see half the moon at a time, and at this phase it is facing
the Sun.
4. WAXING CRESCENT
• The next phase after a new moon is a waxing crescent. Waxing refers to the fact the
phase is getting bigger (from to nothing to a sliver), and a crescent is the fingernail
looking sliver of the moon. The moon is orbiting to the left away from the Sun.
5. FIRST QUARTER
• A first quarter moon means the moon is a quarter of the way through its orbit. However, it
can be deceiving in its looks, since it actually has half of the moon illuminated.
6. WAXING GIBBOUS
• Next the moon phase continues to get bigger (still using the word ‘waxing’). The phase
where the illuminated part is more than half but less than full is called a gibbous moon.
7. FULL MOON
• This is where the moon is farthest from the Sun, and the side of the moon that we see
from Earth is completely illuminated or full. This is half way through the moon’s orbit.
8. WANING GIBBOUS
• Next after the full moon, the moon phase will get smaller. This is called waning. The name
gibbous is still used to show the moon is less than full but more than half.
9. THIRD QUARTER
• This phase is like the first quarter except now the half closest to the moon is illuminated.
The name also refers to the fact the moon is three quarters of the way through its cycle.
10. WANING CRESCENT
• The last phase before the moon’s orbit is complete and it goes back to a new moon is the
waning crescent. Waning still refers to the fact the moon phase is getting smaller, and the
crescent is the part that is illuminated.
